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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7 Miles W Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 40 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 43 °F

Wednesday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 29 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 45 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 50 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 37 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 55 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 40. South wind 8 to 10 mph.
  • Wednesday A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a steady temperature around 43. West southwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
  • Wednesday Night A slight chance of rain and snow showers before midnight. Partly cloudy, with a low around 29. West northwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
  • Thursday Mostly sunny, with a high near 45. North northeast wind around 6 mph.
  • Thursday Night Partly cloudy, with a low around 34. North northeast wind 7 to 9 mph.
  • Friday Mostly sunny, with a high near 50.
  • Friday Night Partly cloudy, with a low around 37.
  • Saturday Mostly sunny, with a high near 55.
  • Saturday Night Partly cloudy, with a low around 40.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 58.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 54.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 35.
  • Tuesday A slight chance of showers. Mostly sunny, with a high near 46.