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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15 Miles NNW West Yellowstone MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 39 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 54 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 31 °F

Thursday

Sunny

Sunny

High: 50 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 55 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 59 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 39 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 39. Northwest wind around 7 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 54. Southwest wind 8 to 16 mph, with gusts as high as 23 mph.
  • Wednesday Night Partly cloudy, with a low around 31. West northwest wind 8 to 11 mph becoming north northeast after midnight.
  • Thursday Sunny, with a high near 50. North northeast wind around 6 mph becoming calm in the afternoon.
  • Thursday Night Partly cloudy, with a low around 34. North wind around 8 mph.
  • Friday Mostly sunny, with a high near 55.
  • Friday Night Partly cloudy, with a low around 36.
  • Saturday Mostly sunny, with a high near 59.
  • Saturday Night Partly cloudy, with a low around 39.
  • Sunday Mostly sunny, with a high near 61.
  • Sunday Night Partly cloudy, with a low around 39.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 57.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38.
  • Tuesday A slight chance of showers. Mostly sunny, with a high near 51.