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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
223 AM MDT Sun Jun 25 2017

WYZ001>020-022>030-261100-
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-
223 AM MDT Sun Jun 25 2017

...A flood warning is in effect for portions of southwestern
Wyoming...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Flooding will continue on some area rivers today. Please see flood
warnings and forecasts for details.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Monday night through Wednesday...Isolated to widely scattered
afternoon and evening thunderstorms across northern and central
Wyoming. Some storms could produce strong wind gusts of 50 to 60
mph Tuesday. Otherwise, very warm, dry and breezy to windy
conditions will bring elevated fire danger to portions of central
and southern Wyoming on Tuesday.

.SPOTTER INFORMATION STATEMENT...Spotters are urged to report any
flooding. Thank you.

$$

Hazardous Weather Outlook
National Weather Service Billings MT
254 PM MDT Sat Jun 24 2017

MTZ028>042-056>058-063>068-WYZ098-099-252200-
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-
254 PM MDT Sat Jun 24 2017

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

* Potential Impacts: Conditions increasing wildfire danger will
  develop with hot temperatures and low humidities Monday and
  Tuesday. These conditions will be enhanced by a cold front
  passage and increasing thunderstorm chances on Tuesday.

* Cold Front: Late Monday night and Tuesday.

* Wind: Southeast winds increase on Monday over southeast Montana.
  The cold front will bring gusty northwest winds on Tuesday. Gusty
  northwest winds may continue into Wednesday.

* Thunderstorms: Mainly mountain thunderstorms Monday afternoon
  and night, with more widespread activity over the plains on
  Tuesday.

* Humidity: Teens to lower 20s Monday and Tuesday, lower to mid
  20s Wednesday.

* Temperatures: In the 90s on Monday, decreasing to the mid 70s to
  lower 80s by Wednesday.

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.

&&

$$

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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