National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Hazardous Weather Conditions

Current Conditions

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6 Miles WSW Grand Encampment WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Overnight

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 46 °F

Saturday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 52 °F

Saturday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 38 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 56 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 45 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 60 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 42 °F

Tuesday

Chance Showers

Chance
Showers

High: 59 °F

Tuesday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 43 °F

Detailed Forecast

  • Overnight Scattered showers. Mostly cloudy, with a low around 46. Southwest wind around 10 mph. Chance of precipitation is 50%.
  • Saturday Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 52. Breezy, with a southwest wind 10 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night Scattered rain showers before 3am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 10 to 20 mph. Chance of precipitation is 50%.
  • Sunday Mostly sunny, with a high near 56. West southwest wind 10 to 15 mph.
  • Sunday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind 10 to 15 mph. 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 60. 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 and thunderstorms. Mostly cloudy, with a high near 59.
  • Tuesday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
  • Wednesday A chance of showers and thunderstorms. Mostly sunny, with a high near 61.
  • Wednesday Night Mostly clear, with a low around 44.
  • Thursday Sunny, with a high near 66.
  • Thursday Night Mostly clear, with a low around 45.
  • Friday Sunny, with a high near 66.