National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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Hazardous Weather Conditions

Current Conditions

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8 Miles WNW Centennial WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 57 °F

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 42 °F

Saturday

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 60 °F

Saturday
Night

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

Low: 42 °F

Sunday

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 50 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 40 °F

Labor
Day

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 55 °F

Monday
Night

Breezy

Breezy

Low: 39 °F

Tuesday

Breezy

Breezy

High: 59 °F

Detailed Forecast

  • Today Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 57. West northwest wind around 10 mph. Chance of precipitation is 20%.
  • Tonight Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 42. West northwest wind around 10 mph becoming southwest after midnight. Chance of precipitation is 20%.
  • Saturday Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 60. Breezy, with a west southwest wind 10 to 20 mph. Chance of precipitation is 30%.
  • Saturday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 15 to 20 mph. Chance of precipitation is 40%.
  • Sunday Scattered showers and thunderstorms. Partly sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
  • Sunday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. Breezy.
  • Labor Day A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 55. Breezy.
  • Monday Night Mostly clear, with a low around 39. Breezy.
  • Tuesday Sunny, with a high near 59. Breezy.
  • Tuesday Night Mostly clear, with a low around 43. Breezy.
  • Wednesday Sunny, with a high near 68. Breezy.
  • Wednesday Night Mostly clear, with a low around 46. Breezy.
  • Thursday Mostly sunny, with a high near 60. Breezy.