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Severe Thunderstorm Warning


Severe Weather Statement
National Weather Service Rapid City SD
709 PM MDT Fri Jul 26 2024

SDC033-047-270145-
/O.CON.KUNR.SV.W.0199.000000T0000Z-240727T0145Z/
Custer SD-Fall River SD-
709 PM MDT Fri Jul 26 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR SOUTHWESTERN CUSTER AND NORTHWESTERN FALL RIVER COUNTIES...

At 708 PM MDT, a severe thunderstorm was located near Cold Brook
Reservoir, or 4 miles northwest of Hot Springs, moving northeast at
25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Buffalo Gap, Pringle and southwestern Wind Cave National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4317 10357 4332 10388 4371 10377 4347 10315
TIME...MOT...LOC 0108Z 212DEG 20KT 4349 10353

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Wong


Severe Weather Statement


Severe Weather Statement
National Weather Service Rapid City SD
709 PM MDT Fri Jul 26 2024

SDC033-047-270145-
/O.CON.KUNR.SV.W.0199.000000T0000Z-240727T0145Z/
Custer SD-Fall River SD-
709 PM MDT Fri Jul 26 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR SOUTHWESTERN CUSTER AND NORTHWESTERN FALL RIVER COUNTIES...

At 708 PM MDT, a severe thunderstorm was located near Cold Brook
Reservoir, or 4 miles northwest of Hot Springs, moving northeast at
25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Buffalo Gap, Pringle and southwestern Wind Cave National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4317 10357 4332 10388 4371 10377 4347 10315
TIME...MOT...LOC 0108Z 212DEG 20KT 4349 10353

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Wong


Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
229 PM MDT Fri Jul 26 2024

IDZ410-270400-
/O.NEW.KPIH.FW.W.0012.240727T1800Z-240728T0400Z/
/O.CON.KPIH.FW.W.0011.000000T0000Z-240727T0400Z/
Upper Snake River Valley/Idaho Falls BLM-
229 PM MDT Fri Jul 26 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE
WEATHER ZONE 410...

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT SATURDAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 410...

The National Weather Service in Pocatello has issued a Red Flag
Warning for scattered thunderstorms, which is in effect from noon
to 10 PM MDT Saturday.

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
  Valley/Idaho Falls BLM.

* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 15 percent.

* IMPACTS...Scattered thunderstorms will develop during the
  afternoon and evening on Saturday. Besides gusty and erratic
  winds near thunderstorms, frequent lightning can increase
  wildfire starts.

* THUNDERSTORMS...25 to 50 percent coverage expected.

* OUTFLOW WINDS...40 to 60 MPH possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Relative humidity at or below 15 percent and wind gusts of at
  least 25 mph in the mountains, or 30 mph in the Snake Plain.

- Thunderstorm coverage of 25 percent, without specific rainfall
  criteria.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
229 PM MDT Fri Jul 26 2024

IDZ411-425-427-270400-
/O.NEW.KPIH.FW.W.0012.240727T1800Z-240728T0400Z/
Centennial Mountains and Snake River Range/Targhee NF-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
229 PM MDT Fri Jul 26 2024

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT SATURDAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 425, AND
427...

The National Weather Service in Pocatello has issued a Red Flag
Warning for scattered thunderstorms, which is in effect from noon
to 10 PM MDT Saturday.

* AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and
  Snake River Range/Targhee NF, Fire Weather Zone 425 Middle
  Snake River Valley/Twin Falls BLM north of the Snake River and
  Fire Weather Zone 427 Goose Creek and Raft River
  Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake
  River.

* IMPACTS...Scattered thunderstorms will develop during the
  afternoon and evening. Besides gusty and erratic winds near
  thunderstorms, frequent lightning can increase wildfire starts.

* THUNDERSTORMS...25 to 50 percent coverage expected.

* OUTFLOW WINDS...40 to 60 MPH possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Thunderstorm coverage of 25 percent, without specific rainfall
  criteria.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
229 PM MDT Fri Jul 26 2024

IDZ422-270400-
/O.CON.KPIH.FW.W.0011.000000T0000Z-240727T0400Z/
Sawtooth Range/Northern Sawtooth NF-
229 PM MDT Fri Jul 26 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 422...

* AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern
  Sawtooth NF.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 15 percent.

* IMPACTS...Strong winds and low humidity can lead to rapid
  growth of any new or existing fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Relative humidity at or below 15 percent and wind gusts of at
  least 25 mph in the mountains, or 30 mph in the Snake Plain.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
229 PM MDT Fri Jul 26 2024

IDZ475-476-270400-
/O.NEW.KPIH.FW.W.0012.240727T1800Z-240728T0400Z/
/O.CON.KPIH.FW.W.0011.000000T0000Z-240727T0400Z/
East Salmon River Mountains/Salmon NF-
Lemhi and Lost River Range/Challis NF-
229 PM MDT Fri Jul 26 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE
WEATHER ZONES 475 AND 476...

 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT SATURDAY
FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 475 AND 476...

The National Weather Service in Pocatello has issued a Red Flag
Warning for scattered thunderstorms which is in effect from noon
to 10 PM MDT Saturday.

* AFFECTED AREA...Fire Weather Zone 475 East Salmon River
  Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost
  River Range/Challis NF.

* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 12 percent.

* IMPACTS...Scattered thunderstorms will develop during the
  afternoon and evening on Saturday. Besides gusty and erratic
  winds near thunderstorms, frequent lightning can increase
  wildfire starts.

* THUNDERSTORMS...25 to 50 percent coverage expected.

* OUTFLOW WINDS...40 to 60 MPH possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Relative humidity at or below 15 percent and wind gusts of at
  least 25 mph in the mountains, or 30 mph in the Snake Plain.

- Thunderstorm coverage of 25 percent, without specific rainfall
  criteria.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
216 PM MDT Fri Jul 26 2024

MTZ112-113-270300-
/O.CON.KTFX.FW.W.0004.000000T0000Z-240727T0300Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
216 PM MDT Fri Jul 26 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
112 AND 113...

* AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern
  Pondera/Liberty and Hill and Blaine Counties.

* TIMING...Until 9 PM MDT this evening.

* WINDS...West 10 to 20 mph with gusts around 30 mph.

* RELATIVE HUMIDITY...As low as 14 percent.

* TEMPERATURES...Up to 85.

* IMPACTS...Any existing or new fires that develop will likely
  spread rapidly and be difficult to contain. Outdoor burning is
  not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly.  A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.

Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.

&&

$$

http://www.weather.gov/tfx


Special Weather Statement


Special Weather Statement
National Weather Service Riverton WY
650 PM MDT Fri Jul 26 2024

WYZ001-270130-
Yellowstone National Park-
650 PM MDT Fri Jul 26 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN PARK COUNTY THROUGH
730 PM MDT...

At 650 PM MDT, Doppler radar was tracking a strong thunderstorm near
Grebe Lake, which is 12 miles southeast of Mammoth, moving east at 35
mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

This strong thunderstorm will be near...
  Mount Washburn and Dunraven Pass around 655 PM MDT.
  Tower Falls around 705 PM MDT.

Other locations in the path of this storm include Lamar Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.

&&

LAT...LON 4498 11000 4497 10999 4457 11009 4455 11017
      4450 11015 4466 11087 4499 11063 4500 11000
TIME...MOT...LOC 0050Z 265DEG 31KT 4483 11058

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

$$

Rowe


Air Quality Alert


IDC001-003-015-027-039-045-047-053-073-075-083-085-087-272045-
Ada-Adams-Boise-Canyon-Elmore-Gem-Gooding-Jerome-Owyhee-Payette-
Twin Falls-Valley-Washington-
241 PM MDT Fri Jul 26 2024

...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Adams, Boise, Canyon, Elmore, Gem, Gooding, Jerome,
Owyhee, Payette, Twin Falls, Valley, and Washington Counties...

* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke.

Air Quality Index is forecast to be Unhealthy.

* WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Gooding, Jerome,
Owyhee, Payette, Twin Falls, Valley, and Washington Counties.

* WHEN...AIR QUALITY ALERT IN EFFECT UNTIL 3 PM MDT MONDAY.

* IMPACTS...Some members of the general public may experience health
  effects; members of sensitive groups may experience more serious
  health effects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor activity
during this advisory. Open burning is prohibited by air quality
rule. It is also recommended that all other individuals limit
prolonged or strenuous activity outdoors.

THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Boise Regional Office at (208) 373-0550
Twin Falls Regional Office at (208) 736-2190

$$

ORC001-025-045-272045-
Baker-Harney-Malheur-
241 PM MDT Fri Jul 26 2024 /141 PM PDT Fri Jul 26 2024/

...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Baker, Harney, and Malheur Counties...

* WHAT...High concentration of smoke particulates from wildfire
  smoke.

* WHERE...Baker, Harney, and Malheur Counties.

* WHEN...AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT MONDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
  medical conditions. People most at risk to adverse health effects
  include infants, young children, people with heart or lung
  disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
  weather. Check current conditions on the Oregon Smoke Information
  Blog, DEQ`s Air Quality Index, or by downloading the free
  OregonAIR app on your smartphone.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
  ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
  levels.

* If you have heart or lung disease, or asthma, follow your
  healthcare provider`s advice.

For current Oregon air quality conditions, please visit:
https://oraqi.deq.state.or.us/home/map.

For additional information, please visit:
https://www.oregon.gov/deq

$$

WYZ001>013-281900-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-
Including the cities of Lake, Mammoth, Old Faithful, Clark, Cody,
Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Thermopolis,
Ten Sleep, Worland, Buffalo, Kaycee, and Jackson
1224 PM MDT Fri Jul 26 2024

...AIR QUALITY ALERT IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT
SUNDAY...

The following message is transmitted on behalf of the Wyoming
Department of Environmental Quality, Air Quality Division, and the
Wyoming Department of Health.

* WHAT...Air Quality Alert for Wildfire Smoke.

* WHERE...Portions of northwest and northern Wyoming.

* WHEN...12 AM MDT Saturday through 1 PM MDT Sunday.

* IMPACTS...Smoke from western US wildfires will limit visibilities
  at times.

HEALTH INFORMATION...The Wyoming Department of Health recommends
that the elderly, young children, and individuals with respiratory
problems avoid excessive physical exertion and minimize outdoor
activities during this time. Wildfire smoke is made up of a variety
of pollutants, including particulate matter and ozone, which can
cause respiratory health effects. Although these people are most
susceptible to health impacts, the Department of Health also advises
that everyone should avoid prolonged exposure to poor air quality
conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental
Quality, Air Quality Division offers near real-time air quality data
for Wyoming`s monitoring stations and health effects information to
help the public interpret current conditions. Current air quality
conditions across the state of Wyoming can be found at
http://www.wyvisnet.com/.

$$

WYZ198-199-281900-
Northeast Bighorn Mountains-Sheridan Foothills-
Including the cities of Burgess Jct and Sheridan
1153 AM MDT Fri Jul 26 2024

...AIR QUALITY ALERT IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO 1 PM
MDT SUNDAY...

The following message is transmitted on behalf of the Wyoming
Department of Environmental Quality, Air Quality Division and the
Wyoming Department of Health.

WHAT...Air Quality Alert for Wildfire Smoke.

WHERE...Sheridan County, Wyoming.

WHEN...From 12 AM MDT Saturday to 1 PM MDT Sunday.

IMPACTS...Heavy smoke from wildfires in Montana and the western
United States.

HEALTH INFORMATION...The Wyoming Department of Health recommends the
elderly, young children, and individuals with respiratory problems
avoid excessive physical exertion and minimize outdoor activities
during this time. Wildfire smoke is made up of a variety of
pollutants, including particulate matter and ozone, which can cause
respiratory health effects. Although these people are most
susceptible to health impacts, the Department of Health also advises
that everyone should avoid prolonged exposure to poor air quality
conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental
Quality, Air Quality Division offers near real-time air quality data
for Wyoming`s monitoring stations and health effects information to
help the public interpret current conditions. Current air quality
conditions across the state of Wyoming can be found at
http://www.wyvisnet.com/

$$

IDC057-061-069-280500-
Latah-Lewis-Nez Perce-
Including the cities of Moscow, Potlatch, Deary, Genesee, Juliaetta,
Kendrick, Kamiah, Craigmont, Nezperce, Winchester, Lewiston, Lapwai,
Peck, Culdesac, and Gifford
1034 AM PDT Fri Jul 26 2024

An Air Quality Alert has been issued by the following agencies:

Idaho Department of Environmental Quality in Lewiston
Nez Perce Tribe

An Air Quality Alert, for the Nez Perce Reservation as well as
Latah, Nez Perce and Lewis counties has been issued due to degraded
air quality from wildfire smoke. Smoke may move in and out of the
area depending on fire and wind activity; some areas may be more
impacted than others. Air quality is forecast to range from moderate
to unhealthy categories of the Air Quality Index through the
weekend. The next update will be by noon Monday, July 29th.


$$
LN

WAC003-007-019-023-047-065-280500-
Asotin-Chelan-Ferry-Garfield-Okanogan-Stevens-
Including the cities of Clarkston, Asotin, Anatone, Wenatchee,
Leavenworth, Cashmere, Entiat, Chelan, Manson, Plain, Republic,
Inchelium, Keller, Curlew, Danville, Laurier, Pomeroy, Omak,
Okanogan, Tonasket, Brewster, Oroville, Mazama, Winthrop, Methow,
Twisp, Conconully, Colville, Chewelah, Kettle Falls, Springdale,
and Northport
1034 AM PDT Fri Jul 26 2024

An Air Quality Alert has been issued by the following agencies:

Washington Department of Ecology
Colville Confederated Tribes

An Air Quality Alert, issued for all of Chelan, Okanogan, Ferry,
Stevens, Garfield and Asotin County, as well as the Colville
Reservation is in effect until further notice, due to expected smoke
from nearby and regional wildfires. Particulate matter (PM2.5) may
reach Unhealthy and Unhealthy for Sensitive Groups levels.

Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. When air quality is Unhealthy for
Sensitive Groups, sensitive groups should take steps to reduce
exposure. Limit time outside, avoid strenuous outdoor activity, and
follow tips for cleaner indoor air. Everyone should watch for
symptoms as a sign to reduce exposure.

Agricultural and outdoor burning restrictions are in effect.

$$

IDC035-291700-

Air Quality Alert Message
Nez Perce Tribe ERWM Air Quality Program
Relayed by National Weather Service Missoula MT
1016 AM PDT Fri Jul 26 2024

...AIR QUALITY ADVISORY ISSUED FOR THE NEZ PERCE RESERVATION...

* WHAT...Air Quality Advisory due to smoke from wildfires.

Air Quality Index ranging from Moderate to Unhealthy.

* WHERE...All Areas on the Nez Perce Reservation.

* WHEN...Until 10:00 AM PDT Monday 29 July.

* IMPACTS...Those who experience health effects from smoke include
  children under 18, elders, pregnant women, people with asthma
  or have difficulty breathing, diabetes, heart problems or
  otherwise compromised health, and people who have high exposure
  (those who work, exercise, or spend extensive time outdoors).

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Under the most severe pollution level, sensitive groups should avoid
outdoor exposure and limit indoor activities, and everyone should
restrict their outdoor activities.

Idaho Department of Health and Welfare
https://healthandwelfare.idaho.gov/health-wellness/environmental-
health/wildfire-smoke
Idaho Smoke Information Hotline: 1-800-345-1007

&&

LAT...LON 4620 11645 4615 11620 4621 11615 4621 11607
      4623 11601 4629 11612 4641 11620 4641 11630
      4647 11637 4650 11637 4650 11645 4656 11645
      4657 11625 4614 11589 4599 11596 4612 11648

$$

IDC059-291600-

Air Quality Alert Message...CORRECTED
Idaho Department of Environmental Quality Idaho Falls ID
Relayed by National Weather Service Missoula MT
1014 AM MDT Fri Jul 26 2024

...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY
FOR Lemhi County...

* WHAT... Air Quality Advisory because of degraded air quality due to
wildfire smoke.

Air Quality Index is forecast to be Unhealthy

*WHERE... Lemhi County

*WHEN... Until 10am MDT 7/29/2024

*IMPACTS... Some members of the general public may experience health
effects; members of sensitive groups may experience more serious health
effects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficult for children, the elderly, as
well as persons with respiratory problems. Those individuals who are
sensitive to increased particulate matter or smoke are encouraged to avoid
prolonged or strenuous outdoor activity during this advisory. Open burning
is prohibited by air quality rule. It is also recommended that all other
individuals limit prolonged or strenuous activity outdoors.

THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY,
AIR QUALITY GROUP
FOR MORE INFORMATION, CONTACT DEQ`s
Idaho Falls Regional Office at (208) 528-2650

$$

IDC035-049-291900-
Clearwater-Idaho-
1003 AM MDT Fri Jul 26 2024 /903 AM PDT Fri Jul 26 2024/

...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Clearwater and Idaho Counties...

* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke.

Air Quality Index is forecast to be Unhealthy.

* WHERE...Clearwater and Idaho Counties.

* WHEN...From 9am PST Friday 26 July through noon Monday 29 July.

* IMPACTS...Everyone may begin to experience health effects; members
of sensitive groups may experience more serious health effects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.

THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Lewiston Regional Office at (208) 799-4370

$$

IDC023-037-291600-

Air Quality Alert Message
Idaho Department of Environmental Quality
Relayed by National Weather Service Pocatello ID
918 AM MDT Fri Jul 26 2024

...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF
ENVIRONMENTAL QUALITY FOR Custer and Butte counties...

* WHAT...Air Quality Advisory because of degraded air quality due
to wildfire smoke.

Air Quality Index is forecast to be Unhealthy.

* WHERE...Custer and Butte counties.

* WHEN...Now until 10 am MST 7/29/2024.

* IMPACTS...Some members of the general public may experience
health effects; members of sensitive groups may experience more
serious health effects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.

THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP. FOR MORE INFORMATION, CONTACT DEQ`s
Idaho Falls Regional Office at (208)528-2650.

$$

MTC001-023-039-057-081-093-271400-

Air Quality Alert
Relayed by National Weather Service Great Falls MT
730 AM MDT Fri Jul 26 2024

...AIR QUALITY ALERT IN EFFECT...

The Montana Department of Environmental Quality has issued an air
quality alert for Beaverhead, Deer Lodge, Granite, Madison, Ravalli,
and Silver Bow counties in effect until 8AM 7/27/2024 elevated
particulate levels from wildfire smoke This alert will be updated
again at 800am 7/27/2024.

An Air Quality Alert means that particulates have been trending
upwards and that an exceedence of the 24 hour National Ambient Air
Quality Standard (NAAQS) has occurred or may occur in the near
future.

As of 7AM, Particulate levels in Hamilton are Very Unhealthy

As of 7AM, Particulate levels in Butte are Unhealthy for Sensitive
Groups

As of 7AM, Particulate levels in Darby are Moderate

When air quality is Very Unhealthy... State and local health
officials recommend that people with respiratory or heart disease,
the elderly, and children should avoid any outdoor activity; everyone
else should avoid prolonged exertion.

When air quality is Unhealthy for Sensitive Groups... State and local
health officials recommend that people with respiratory or heart
disease, the elderly and children should limit prolonged exertion.

When air quality is Moderate... State and local health officials
recommend that unusually sensitive people should consider reducing
prolonged or heavy exertion.

For more information visit the Montana Department of Environmental
Quality at http://todaysair.mtdeq.us


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Rapid City SD
545 AM MDT Fri Jul 26 2024

SDZ001-002-012-013-024-025-028-029-072-078-WYZ054>060-271300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-
Northern Black Hills-Northern Foothills-Central Black Hills-
Southern Black Hills-Sturgis/Piedmont Foothills-Southern Perkins-
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Weston County Plains-Newcastle-
Northeastern Crook-
545 AM MDT Fri Jul 26 2024

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

Isolated thunderstorms are expected this afternoon through
tonight. Severe weather is not anticipated at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Chances for thunderstorms will continue through the weekend.
Again, severe weather is not anticipated at this time. Hot
temperatures will return this weekend and continue for much of
next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
545 AM MDT Fri Jul 26 2024

SDZ014-026-027-030-031-041-042-044-073>076-271300-
Ziebach-Rapid City-Southern Foothills-Custer Co Plains-
Pennington Co Plains-Western Fall River-Northern Oglala Lakota-
Bennett-Southern Meade Co Plains-Hermosa Foothills-
Eastern Fall River-Southern Oglala Lakota-
545 AM MDT Fri Jul 26 2024

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...and southwestern South Dakota.

.DAY ONE...Today and Tonight

There is a marginal risk (level 1 of 5) of severe thunderstorms
today, meaning that isolated severe storms are possible. Primary
hazards include wind gusts of 60 mph or greater and dangerous
cloud-to-ground lightning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Isolated severe storms will also be possible this weekend. Hot
temperatures will continue through the weekend and much of next
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
1246 AM MDT Fri Jul 26 2024

WYZ001>020-022>030-271100-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
1246 AM MDT Fri Jul 26 2024

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Widespread showers and thunderstorms, especially during the
afternoon and evening. Heavy rain is likely with the strongest
showers and storms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...Widespread showers and thunderstorms, especially during
the afternoon and evening. Heavy rain is likely with the strongest
showers and storms.

Sunday...Scattered showers and thunderstorms in the afternoon, mainly
across northern WY. Elevated fire weather conditions across central
WY.

Monday through Thursday...Above normal temperatures and elevated fire
weather conditions.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE