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High Wind Warning


URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1208 AM MDT Thu Oct 19 2017

MTZ009-191500-
/O.NEW.KTFX.HW.W.0010.171019T0608Z-171019T1500Z/
Northern Rocky Mountain Front-
Including the following locations Logan Pass, Marias Pass,
Browning, and Heart Butte
1208 AM MDT Thu Oct 19 2017

...HIGH WIND WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...

The National Weather Service in Great Falls has issued a High
Wind Warning, which is in effect until 9 AM MDT this morning.

* Winds: Southwest 35 to 50 mph with gusts up to 75 mph.

* Timing: Tonight through Thursday Morning.

* Impacts: Damaging winds could blow down trees and power lines.
  Power outages are possible. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph, or gusts
of 58 mph or more, can lead to property damage.

&&

$$


Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
352 AM MDT Thu Oct 19 2017

MTZ113-115-117-192200-
/O.CON.KTFX.FW.W.0024.171019T1700Z-171020T0100Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
352 AM MDT Thu Oct 19 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MDT THIS EVENING...

* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
  Strong Gusty Winds will create erratic fire behavior.

* AFFECTED AREA:
  In North Central Montana, Fire Weather Zones 113, 115 and 117.

* COUNTIES AFFECTED:
  In Central Montana, Cascade, Fergus, Judith Basin, Meagher.
  In North Central Montana, Blaine, Chouteau, Hill.

* WIND: Southwest 20 to 30 mph with gusts up to 40 mph.

* HUMIDITY: As low as 13 percent.

* TEMPERATURES: In the mid to upper 70s.

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://weather.gov/greatfalls


Special Weather Statement


Special Weather Statement
National Weather Service Pocatello ID
322 AM MDT Thu Oct 19 2017

IDZ018-031-192200-
Sawtooth Mountains-Big and Little Wood River Region-
Including the cities of Stanley, Clayton, Hailey, Ketchum,
and Bellevue
322 AM MDT Thu Oct 19 2017

...Accumulating snow expected Friday along with blowing snow...

An approaching storm system and subsequent cold front will bring
accumulating snowfall Friday. Snow levels Friday morning will be
dropping quickly with snow expected to begin overnight tonight
with increasing intensity tomorrow morning. Accumulations of 3 to
5 inches are forecast at pass level upwards of 8 inches over 8000
ft. Additionally, wind speeds of 25 to 35 mph with gusts to 45
mph will combine to bring blowing snow for those driving on
Galena Summit, Banner Summit and along state highways. Exercise
caution in these conditions and be ready for reduced visibility in
periods of blowing snow.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Billings MT
343 AM MDT Thu Oct 19 2017

MTZ028>042-056>058-063>068-WYZ098-099-201100-
Southern Wheatland-Musselshell-Treasure-Northern Rosebud-Custer-
Fallon-Northern Stillwater-Yellowstone-Powder River-Carter-
Southern Big Horn-Eastern Carbon-Northern Park-
Northern Sweet Grass-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Judith Gap-Paradise Valley-
Livingston Area-Beartooth Foothills-Absaroka/Beartooth Mountains-
Crazy Mountains-Northeast Bighorn Mountains-Sheridan Foothills-
343 AM MDT Thu Oct 19 2017

This Hazardous Weather Outlook is for portions of central
Montana...south central Montana...southeast Montana and north
central Wyoming.

* WHAT...Strong winds with a cold front Friday. Another period of
  strong winds Saturday night and Sunday.

* WHERE...Friday: the entire area. Saturday night: the western
  foothills. Sunday: the entire area.

* WHEN...Friday afternoon and then again Saturday night and Sunday.

* ADDITIONAL DETAILS...A cold front will produce strong wind gusts
  as it moves through Friday afternoon and evening. The strong wind
  gusts along with unseasonably warm temperatures and low humidity
  values ahead of the front may lead to critical fire weather
  conditions. Strong wind gusts will develop along the western
  foothills Saturday night. Strong wind potential increases across
  the entire area Sunday. Those with travel, or outdoor plans,
  should monitor the forecast closely.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
219 AM MDT Thu Oct 19 2017

WYZ001>020-022>030-201100-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn 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-
219 AM MDT Thu Oct 19 2017

...RED FLAG WARNING IN EFFECT FOR NATRONA AND JOHNSON COUNTIES
THIS AFTERNOON...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Critical fire weather likely in Johnson and Natrona Counties.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday and Friday night...Some accumulating snowfall possible
mainly in the western mountains. Strong winds are likely in some
areas east of the Divide.

Saturday night and Sunday...Strong winds possible in the
Absaroka Mountains and Cody Foothills. Light to moderate snow
possible in the northwestern mountains.

Sunday night and Monday...Strong ridge top winds Sunday night.
Strong northwest winds possible Monday in the northern Bighorn
Basin and northeast Johnson County.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

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
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