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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Current Conditions

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Great Falls MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Clear

Clear

Low: 14 °C

Thursday

Sunny

Sunny

High: 28 °C

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 13 °C

Friday

Mostly Sunny

Mostly
Sunny

High: 26 °C

Friday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 13 °C

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 22 °C

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 9 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 18 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °C

Detailed Forecast

  • Tonight Clear, with a low around 14. Southwest wind 11 to 13 km/h.
  • Thursday Sunny, with a high near 28. Southwest wind 13 to 23 km/h, with gusts as high as 32 km/h.
  • Thursday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 13. West northwest wind 16 to 21 km/h becoming north 10 to 15 km/h after midnight. Chance of precipitation is 20%.
  • Friday Mostly sunny, with a high near 26. Light south southeast wind becoming south southwest 8 to 13 km/h in the afternoon.
  • Friday Night A 20 percent chance of showers after midnight. Partly cloudy, with a low around 13. South wind around 14 km/h.
  • Saturday A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 22. Chance of precipitation is 20%.
  • Saturday Night Partly cloudy, with a low around 9.
  • Sunday Mostly sunny, with a high near 18.
  • Sunday Night Partly cloudy, with a low around 8.
  • Labor Day A slight chance of showers and thunderstorms. Mostly sunny, with a high near 19.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 9.
  • Tuesday Mostly sunny, with a high near 22.
  • Tuesday Night Partly cloudy, with a low around 11.
  • Wednesday A slight chance of showers. Mostly sunny, with a high near 23.