National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Hazardous Weather Conditions

Current Conditions

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13 Miles SSW Grand Encampment WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Today

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 57 °F

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 37 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 62 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 43 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 64 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 42 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 63 °F

Tuesday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 40 °F

Wednesday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 65 °F

Detailed Forecast

  • Today Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 57. West southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight Scattered rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 37. West southwest wind 10 to 15 mph. Chance of precipitation is 50%.
  • Sunday Mostly sunny, with a high near 62. West southwest wind 10 to 15 mph.
  • Sunday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West southwest wind 5 to 15 mph becoming south after midnight. Chance of precipitation is 20%.
  • Monday A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
  • Monday Night A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 42.
  • Tuesday A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
  • Tuesday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
  • Wednesday Night Mostly clear, with a low around 41.
  • Thursday Sunny, with a high near 68.
  • Thursday Night Mostly clear, with a low around 42.
  • Friday Sunny, with a high near 70.