National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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17 Miles WNW Grand Encampment WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Overnight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 24 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 32 °F

Sunday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 28 °F

Monday

Snow Chance for Measurable Precipitation 90%

Snow

High: 28 °F

Monday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 14 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 20 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 13 °F

Wednesday

Slight Chance Snow

Slight Chc
Snow

High: 29 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 22 °F

Detailed Forecast

  • Overnight Snow likely. Cloudy, with a low around 24. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 2 to 4 inches possible.
  • Sunday Snow with areas of blowing snow. High near 32. Windy, with a west southwest wind 20 to 25 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
  • Sunday Night Snow with areas of blowing snow. Low around 28. Windy, with a west wind 30 to 35 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Monday Snow with patchy blowing snow. High near 28. Blustery, with a west northwest wind 15 to 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
  • Monday Night Snow likely, mainly before 11pm. Cloudy, with a low around 14. Northwest wind 10 to 15 mph. Chance of precipitation is 70%.
  • Tuesday Scattered snow showers, mainly before 11am. Partly sunny, with a high near 20. Chance of precipitation is 30%.
  • Tuesday Night A 20 percent chance of snow. Partly cloudy, with a low around 13.
  • Wednesday A slight chance of snow. Partly sunny, with a high near 29.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 22.
  • Christmas Day Snow likely. Cloudy, with a high near 25.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Friday A slight chance of snow. Mostly cloudy, with a high near 14.
  • Friday Night Partly cloudy, with a low around 6.
  • Saturday Mostly sunny, with a high near 21.