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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Current Conditions

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17 Miles ENE Cooke City MT

7 Day Forecast

For More Weather Information:

Billings, MT Local Forecast Office

Late
Afternoon

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 52 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 39 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 53 °F

Saturday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 32 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 45 °F

Sunday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 30 °F

Labor
Day

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 44 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 32 °F

Tuesday

Sunny

Sunny

High: 55 °F

Detailed Forecast

  • Late Afternoon Scattered showers and thunderstorms. Partly sunny, with a steady temperature around 52. West southwest wind around 6 mph. Chance of precipitation is 30%.
  • Tonight A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph increasing to 16 to 21 mph after midnight. Chance of precipitation is 20%.
  • Saturday Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 53. West southwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 70%.
  • Saturday Night Rain showers likely before midnight, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 32. West wind 9 to 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Sunday A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 45. West southwest wind around 9 mph. Chance of precipitation is 20%.
  • Sunday Night A chance of rain showers before midnight, then a slight chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 30. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Labor Day A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 44. Chance of precipitation is 30%.
  • Monday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 32.
  • Tuesday Sunny, with a high near 55.
  • Tuesday Night Mostly clear, with a low around 36.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 56.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 35.
  • Thursday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 53.
  • Thursday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 34.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 51.