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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Sinclair WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 22 °C

Tonight

Mostly Clear

Mostly
Clear

Low: 9 °C

Friday

Sunny

Sunny

High: 24 °C

Friday
Night

Mostly Clear

Mostly
Clear

Low: 9 °C

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 26 °C

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 9 °C

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 19 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 8 °C

Labor
Day

Breezy

Breezy

High: 22 °C

Detailed Forecast

  • Today Isolated showers and thunderstorms between 9am and 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 22. West northwest wind around 15 km/h. Chance of precipitation is 20%.
  • Tonight Mostly clear, with a low around 9. Northwest wind 10 to 15 km/h becoming south southwest after midnight.
  • Friday Sunny, with a high near 24. West wind 10 to 20 km/h.
  • Friday Night Mostly clear, with a low around 9. West wind 10 to 15 km/h becoming south after midnight.
  • Saturday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 26. Breezy, with a west southwest wind 10 to 20 km/h increasing to 25 to 35 km/h. Winds could gust as high as 45 km/h.
  • Saturday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 9. Chance of precipitation is 20%.
  • Sunday A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 19. Breezy. Chance of precipitation is 20%.
  • Sunday Night Mostly clear, with a low around 8.
  • Labor Day Mostly sunny, with a high near 22. Breezy.
  • Monday Night Partly cloudy, with a low around 6. Breezy.
  • Tuesday Sunny, with a high near 24.
  • Tuesday Night Mostly clear, with a low around 8.
  • Wednesday Sunny, with a high near 26. Breezy.