National Weather Service United States Department of Commerce

Severe weather expected for Upper Midwest on Wednesday

A potent storm system will bring a chance of severe thunderstorms to parts of the Upper Midwest on Wednesday and Wednesday night. Very large hail, damaging wind gusts, tornadoes and heavy rain are possible with these storms.
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Current Conditions

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8 Miles SE Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 41 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 60 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 33 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 57 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 62 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 37 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 67 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 41 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 41. Southwest wind 13 to 15 mph, with gusts as high as 21 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. West southwest wind 8 to 14 mph, with gusts as high as 20 mph.
  • Wednesday Night Partly cloudy, with a low around 33. Northwest wind 6 to 11 mph becoming north northeast after midnight.
  • Thursday Mostly sunny, with a high near 57. Calm wind becoming north northwest around 6 mph in the afternoon.
  • Thursday Night Partly cloudy, with a low around 34. North northeast wind 5 to 8 mph becoming east after midnight.
  • Friday Mostly sunny, with a high near 62.
  • Friday Night Partly cloudy, with a low around 37.
  • Saturday Mostly sunny, with a high near 67.
  • Saturday Night Partly cloudy, with a low around 41.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40.
  • Tuesday A slight chance of showers. Mostly sunny, with a high near 57.