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Special Weather Statement


Special Weather Statement
National Weather Service Riverton WY
108 AM MDT Sun Aug 20 2017

WYZ008>011-020-022-202200-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Natrona County Lower Elevations-Casper Mountain-
Including the cities of Buffalo, Kaycee, and Casper
108 AM MDT Sun Aug 20 2017

...Elevated Fire Conditions Continue Today...

Elevated fire weather conditions can be expected for all of
central and northern Wyoming today as relative humidity drops
into the lower and mid teens across the lower elevations...and the
mid teens to around 25 percent in the mountains. Winds will be
southwest 10 to 15 mph with afternoon gusts to 20 mph at times
across Natrona County...and northwest to northeast 5 to 15 mph
with occasional gusts to 20 mph over northern Johnson County.
Residents, travellers, and campers this weekend are encouraged to
take strong caution if considering any type of burning activities.
Please follow local burning rules. In addition, do not park your
vehicle over any dry plant surface as this could cause the vehicle
to go up in flames.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service North Platte NE
607 AM CDT Sun Aug 20 2017

NEZ004>010-022>029-035>038-056>059-069>071-094-211115-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
607 AM CDT Sun Aug 20 2017 /507 AM MDT Sun Aug 20 2017/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TODAY AND TONIGHT.

Isolated strong to severe thunderstorms possible east of a line
from Valentine to North Platte late this afternoon and evening.
Gusty winds and large hail are the main hazards.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

Thunderstorms continue to be possible Monday into Monday night.
Isolated severe storms are possible, especially Monday evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

$$

power

Hazardous Weather Outlook
National Weather Service Aberdeen SD
512 AM CDT Sun Aug 20 2017

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-211015-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-
Lyman-Buffalo-
512 AM CDT Sun Aug 20 2017 /412 AM MDT Sun Aug 20 2017/

This Hazardous Weather Outlook is for portions of west central
Minnesota, central South Dakota, north central South Dakota, and
northeast South Dakota.

.DAY ONE...Today and Tonight

Scattered showers with a few thunderstorms will move east across
the region through the morning and into the early afternoon hours.
The severe storm threat is low at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Widely scattered showers and thunderstorms are possible across the
area on Monday. Again, the severe storm threat is low at this
time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$
TMT

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
501 AM CDT Sun Aug 20 2017

MNZ071-072-SDZ038>040-050-052>060-063-064-211015-
Lincoln MN-Lyon MN-Beadle-Kingsbury-Brookings-Gregory-Jerauld-
Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-Charles Mix-
Douglas-
501 AM CDT Sun Aug 20 2017

This Hazardous Weather Outlook is for portions of southwest
Minnesota, central South Dakota, east central South Dakota, south
central South Dakota, and southeast South Dakota.

.DAY ONE...Today and Tonight

Isolated thunderstorms may move through the Highway 14 corridor
into the early afternoon. These storms are not expected to be
severe. Additional isolated thunderstorms will be possible south
of Highway 14 tonight. The risk of severe weather with this
activity is also low.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance of thunderstorms again during the late afternoon
and evening Monday. An isolated strong to severe storm may develop
south of Interstate 90 in south central South Dakota.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
335 AM MDT Sun Aug 20 2017

NEZ002-003-019>021-054-055-095-096-WYZ101>119-210945-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Converse County Lower Elevations-
Niobrara County-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
335 AM MDT Sun Aug 20 2017

This hazardous weather outlook is for portions of western
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Widely scattered showers and thunderstorms are possible this
afternoon over and near the mountains of southeast Wyoming.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Chances of thunderstorms will return to the region on Monday
afternoon and evening, and will continue at times through much of
the week. Severe storms are not expected.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
314 AM MDT Sun Aug 20 2017

SDZ026-027-029>031-041>044-046-047-049-074-211300-
Rapid City-Southern Foot Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Fall River-Oglala Lakota-
Jackson-Bennett-Mellette-Todd-Tripp-Hermosa Foot Hills-
314 AM MDT Sun Aug 20 2017 /414 AM CDT Sun Aug 20 2017/

This Hazardous weather outlook is for portions of south central
South Dakota...the Black Hills of South Dakota...and western
South Dakota.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms tonight. Severe thunderstorms
are not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance of thunderstorms on Monday. Severe thunderstorms
are not expected at this time.

.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
314 AM MDT Sun Aug 20 2017

SDZ001-002-012>014-032-211300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-Haakon-
314 AM MDT Sun Aug 20 2017

This Hazardous weather outlook is for portions of western South
Dakota.

.DAY ONE...Today and Tonight

Scattered thunderstorms will end this morning. There is a chance
of thunderstorms tonight. There is a marginal risk of severe
thunderstorms tonight with large hail.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance of thunderstorms on Monday. Severe thunderstorms
are not expected at this time.

.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
314 AM MDT Sun Aug 20 2017

SDZ024-025-028-072-073-WYZ054-056-057-071-211300-
Northern Black Hills-Northern Foot Hills-Central Black Hills-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Northern Campbell-Western Crook-Wyoming Black Hills-
Northeastern Crook-
314 AM MDT Sun Aug 20 2017

This Hazardous weather outlook is for portions of the Black Hills
of South Dakota...western South Dakota...northeast Wyoming...and
the Black Hills of Wyoming.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms tonight. There is a marginal
risk of severe thunderstorms tonight with large hail.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance of thunderstorms Monday. Severe thunderstorms
are not expected at this time.

.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
314 AM MDT Sun Aug 20 2017

WYZ055-058-211300-
Southern Campbell-Weston-
314 AM MDT Sun Aug 20 2017

This Hazardous weather outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible tonight. Severe thunderstorms
are not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a slight chance of thunderstorms Monday. Severe
thunderstorms are not expected at this time.

.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 Riverton WY
239 AM MDT Sun Aug 20 2017

WYZ001>020-022>030-210845-
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-
239 AM MDT Sun Aug 20 2017

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Elevated fire weather conditions today due to very dry conditions
across Wyoming. Isolated gusty thunderstorms across the southwest.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Monday...A couple of isolated afternoon thunderstorms over the
mountains.

Tuesday...Isolated gusty thunderstorms across the southwest.

Wednesday through Friday...Isolated to widely scattered
afternoon and evening thunderstorms. Some stronger thunderstorms
possible across the north on Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
321 AM CDT Sun Aug 20 2017

NDZ040-041-043-044-210830-
Slope-Hettinger-Bowman-Adams-
221 AM MDT Sun Aug 20 2017

This Hazardous Weather Outlook is for portions of southwest North
Dakota.

.DAY ONE...Today and Tonight

There is a chance for thunderstorms late tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance of thunderstorms Monday, then again on Friday.
Severe weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

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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