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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Spokane WA
459 AM PDT Thu Sep 16 2021

IDZ001-003-WAZ033-035>038-047-049-171200-
Northern Panhandle-Idaho Palouse-Washington Palouse-
Upper Columbia Basin-Spokane Area-Northeast Mountains-
Okanogan Highlands-Central Chelan County-Western Okanogan County-
459 AM PDT Thu Sep 16 2021

This Hazardous Weather Outlook is for portions of North Idaho...
East Central Washington...North Central Washington...Northeast
Washington and Southeast Washington.

.DAY ONE...TODAY AND TONIGHT

Chilly morning temperatures are expected for many mountain valleys
and lower elevation areas that may be in sheltered areas with
little wind. Areas of frost will be possible for the northern
Panhandle, Idaho Palouse, Washington Palouse, and parts of the
Upper Columbia Basin through western Okanogan county.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Widespread rain and cooler weather is expected for late this week
through the weekend. Areas where recent burn scars are located
could see potential debris flows or rock slides with heavy rain.
Beneficial rainfall amounts are expected for most of the region.

$$

Hazardous Weather Outlook
National Weather Service Billings MT
424 AM MDT Thu Sep 16 2021

MTZ029>034-036-037-040-042-056>058-063>068-138-139-141-169>173-228-
235-WYZ198-199-171030-
Musselshell-Treasure-Northern Rosebud-Custer-Fallon-
Northern Stillwater-Powder River-Carter-Northern Park-
Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Judith Gap-Paradise Valley-Livingston Area-
Beartooth Foothills-Absaroka/Beartooth Mountains-Crazy Mountains-
Southern Big Horn-Southeastern Carbon-Northern Sweet Grass-
Bighorn Canyon-Northern Carbon-Pryor/Northern Bighorn Mountains-
Melville Foothills-Northeastern Yellowstone-Southern Wheatland-
Southwestern Yellowstone-Northeast Bighorn Mountains-
Sheridan Foothills-
424 AM MDT Thu Sep 16 2021

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

* WHAT...Critical Wildfire Danger.

* WHERE...Southern Montana and Northern Wyoming.

* WHEN...Saturday.

* ADDITIONAL DETAILS...Hot temperatures, very low relative
  humidities, and strong westerly wind gusts are expected on
  Saturday. This combination is expected to result in critical fire
  weather conditions across the area through Saturday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be sure to stay tuned for further updates on this potential
hazardous weather.

Additional graphics can be found at:

https://www.weather.gov/billings

&&

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
314 AM MDT Thu Sep 16 2021

WYZ001>020-022>030-170915-
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-
314 AM MDT Thu Sep 16 2021

...Red Flag Warnings for much of central and southern Wyoming
this afternoon and evening...

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Today and Tonight.

Critical fire weather conditions likely in central and southern
Wyoming due to above normal temperatures, gusty winds and low
humidities. Please see Red Flag Warning for details.

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

Friday through Sunday...Elevated fire conditions possible each
afternoon, especially across central and southern areas.

Monday and Tuesday...Much cooler temperatures likely. A good
chance of accumulating mountain snow, especially across the
northwest and northern mountains.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

$$

TEAM RIVERTON

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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