National Weather Service United States Department of Commerce

The flash flooding threat will begin moving east out of the Plains into the Upper Midwest and Great Lakes on Thursday

Flash flooding will continue to be possible on Thursday but will begin moving out of the central and northern Plains. The area of concern will be the Upper Midwest edging into the the eastern Great Lakes region. 1 to 2 inches of rainfall will be possible into Friday.
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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

Tonight

Heavy Rain Chance for Measurable Precipitation 70%

Heavy
Rain

Low: 14 °C

Thursday

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

High: 27 °C

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 12 °C

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 30 °C

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 12 °C

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 31 °C

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 14 °C

Sunday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 28 °C

Sunday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 10 °C

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then scattered showers and thunderstorms after 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 14. North northwest wind 10 to 15 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
  • Thursday Scattered showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 27. Northwest wind 10 to 15 km/h. Chance of precipitation is 30%.
  • Thursday Night Mostly clear, with a low around 12. North northwest wind 10 to 15 km/h becoming west after midnight.
  • Friday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 30. West northwest wind around 10 km/h becoming south southeast in the afternoon.
  • Friday Night A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 12. East southeast wind around 10 km/h.
  • Saturday A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 31.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14. Chance of precipitation is 20%.
  • Sunday A slight chance of showers and thunderstorms. Partly sunny, with a high near 28.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 10.
  • Labor Day A slight chance of showers and thunderstorms. Mostly sunny, with a high near 27.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 10.
  • Tuesday Sunny, with a high near 27.
  • Tuesday Night Mostly clear, with a low around 11.
  • Wednesday Sunny, with a high near 29.