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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Billings MT
338 PM MST Tue Feb 21 2017

MTZ028>042-056>058-063>068-WYZ098-099-222245-
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-
338 PM MST Tue Feb 21 2017

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

* Winds: Strong southwest to west winds will continue to impact
  much of the region through early evening. Strong west winds will
  be along the eastern slopes of the mountains. Expect hazardous
  cross winds on area highways.

* Mountain Snow: Accumulating snowfall will continue over the
  Beartooth Absaroka Mountains. This snowfall may increase
  avalanche danger in the high country.

* Significant Weather Change: Colder weather will return to the
  region during the latter half of the week, with below normal
  temperatures expected Thursday through the weekend. Some snow
  accumulation is also possible, but details remain highly
  uncertain at this time.

* Potential Wintry Impacts: Poor driving conditions. Hazardous
  conditions for young livestock.

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 GLASGOW MT
315 PM MST Tue Feb 21 2017

MTZ017-019-024-025-059-061-221200-
Central and Southern Valley-Sheridan-Richland-Dawson-
Northern Phillips-Northern Valley-
315 PM MST Tue Feb 21 2017

This Hazardous Weather Outlook is for portions of northeast
Montana.

* Potential Impacts:  Possible Snowmelt Flooding.

* Timing: This Week

* Impacts: Minor flooding is possible with ice jams this week on
the Yellowstone, Milk, Big Muddy and Frenchman Rivers.

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 GLASGOW MT
315 PM MST Tue Feb 21 2017

MTZ060-221200-
Southwest Phillips-
315 PM MST Tue Feb 21 2017

This Hazardous Weather Outlook is for portions of northeast
Montana.

* Potential Impacts: Snow.

* Timing: Tonight through Wednesday Night.

* Snow Accumulation: 3 to 5 inches.

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
116 PM MST Tue Feb 21 2017

WYZ001>020-022>030-221200-
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-
116 PM MST Tue Feb 21 2017

...Flood Warning remains in effect for the Big Horn River roughly
between Manderson and Greybull through at least Wednesday
Morning...

...Winter Storm Warning for the Western Mountains through Tonight...

...Multiple High Wind Warnings for areas east of the Divide
through this evening...

...Winter Storm Watch for much of Central Wyoming late Wednesday
Night through Friday morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Ice jam flooding continues across portions of the Big Horn Basin
especially along the Big Horn River in Big Horn County.

Significant snow and blowing snow will continue over the western
mountains through tonight. Please see the winter storm warning
for more details. Rain, and or snow in the western valleys will
change to all snow as a cold front sweeps across western Wyoming
late this afternoon into the early evening.

Strong to high wind will continue across portions of central
Wyoming east of the Continental Divide through this evening.
These winds will also develop this morning across the eastern
slopes of the Bighorns and Johnson County. Please see the high
wind warnings for more details.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Late Wednesday Night Through Friday...Significant snow possible
in Central Wyoming along with breezy to windy conditions causing
blowing and drifting snow. The heaviest snow is expected late
Wednesday Night through at least Thursday afternoon with snow
continuing into Friday. The heaviest snow will likely be across
Natrona and Fremont Counties and possibly Eastern Sweetwater
County.

Sunday Night through Monday...Significant snowfall possible in
Western Wyoming with some snow possibly developing east of the
divide on Monday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any river or creek flooding, as
well as snowfall amounts. Thank you!

$$

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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