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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Hamilton MT

7 Day Forecast

For More Weather Information:

Missoula, MT Local Forecast Office

Tonight

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 11 °C

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 22 °C

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 6 °C

Sunday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 19 °C

Sunday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 3 °C

Labor
Day

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 21 °C

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 3 °C

Tuesday

Mostly Sunny

Mostly
Sunny

High: 26 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °C

Detailed Forecast

  • Tonight Scattered showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 11. West wind 8 to 10 km/h. Chance of precipitation is 40%.
  • Saturday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 22. Light southwest wind becoming west 16 to 21 km/h in the morning. Chance of precipitation is 40%.
  • Saturday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 6. West wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 20%.
  • Sunday A 20 percent chance of showers. Partly sunny, with a high near 19. Southwest wind 8 to 13 km/h.
  • Sunday Night A 20 percent chance of showers. Mostly cloudy, with a low around 3. West southwest wind 8 to 16 km/h.
  • Labor Day A 20 percent chance of showers. Partly sunny, with a high near 21.
  • Monday Night A 20 percent chance of showers before midnight. Partly cloudy, with a low around 3.
  • Tuesday Mostly sunny, with a high near 26.
  • Tuesday Night Partly cloudy, with a low around 8.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 23.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 8.
  • Thursday A slight chance of showers and thunderstorms. Partly sunny, with a high near 22.
  • Thursday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 7.
  • Friday A slight chance of showers and thunderstorms. Partly sunny, with a high near 23.