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 Pacific Northwest through late 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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Guernsey WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

This
Afternoon

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 8 °C

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: -1 °C

Monday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 3 °C

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -5 °C

Tuesday

Breezy

Breezy

High: 1 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: -8 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 7 °C

Wednesday
Night

Slight Chance Snow

Slight Chc
Snow

Low: -1 °C

Christmas
Day

Chance Snow

Chance
Snow

High: 3 °C

Detailed Forecast

  • This Afternoon A 30 percent chance of rain. Cloudy, with a high near 8. Breezy, with a west wind around 35 km/h, with gusts as high as 50 km/h.
  • Tonight A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around -1. Blustery, with a west northwest wind 25 to 30 km/h increasing to 30 to 35 km/h after midnight. Winds could gust as high as 50 km/h. Chance of precipitation is 40%.
  • Monday A chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 3. Windy, with a northwest wind 35 to 40 km/h increasing to 45 to 50 km/h in the afternoon. Winds could gust as high as 70 km/h. Chance of precipitation is 30%.
  • Monday Night A 20 percent chance of snow. Cloudy, with a low around -5. Blustery, with a northwest wind 40 to 45 km/h, with gusts as high as 65 km/h.
  • Tuesday Partly sunny, with a high near 1. Breezy, with a northwest wind 30 to 40 km/h, with gusts as high as 55 km/h.
  • Tuesday Night Mostly clear, with a low around -8.
  • Wednesday Mostly sunny, with a high near 7.
  • Wednesday Night A slight chance of snow. Mostly cloudy, with a low around -1.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 3. Breezy.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around -12.
  • Friday Partly sunny, with a high near -1.
  • Friday Night Partly cloudy, with a low around -10.
  • Saturday Mostly sunny, with a high near 1.