National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Current Conditions

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Guernsey WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 6 °C

Tonight

Partly Cloudy

Partly
Cloudy

Low: -3 °C

Sunday

Breezy

Breezy

High: 9 °C

Sunday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: -1 °C

Monday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 5 °C

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -5 °C

Tuesday

Partly Sunny

Partly
Sunny

High: 4 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: -5 °C

Wednesday

Partly Sunny

Partly
Sunny

High: 4 °C

Detailed Forecast

  • Today Mostly sunny, with a high near 6. West wind 10 to 20 km/h.
  • Tonight Partly cloudy, with a low around -3. West wind 10 to 15 km/h increasing to 20 to 25 km/h after midnight.
  • Sunday Mostly cloudy, with a high near 9. Breezy, with a west wind 30 to 35 km/h, with gusts as high as 50 km/h.
  • Sunday Night A chance of rain showers before 11pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around -1. West northwest wind 25 to 30 km/h, with gusts as high as 40 km/h. Chance of precipitation is 30%.
  • Monday A chance of snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 5. Breezy, with a northwest wind 30 to 35 km/h, with gusts as high as 50 km/h. Chance of precipitation is 30%.
  • Monday Night Mostly cloudy, with a low around -5.
  • Tuesday Partly sunny, with a high near 4.
  • Tuesday Night Partly cloudy, with a low around -5.
  • Wednesday Partly sunny, with a high near 4.
  • Wednesday Night A slight chance of snow. Mostly cloudy, with a low around -3.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 2.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around -8.
  • Friday A slight chance of snow. Partly sunny, with a high near -4.