National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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6 Miles W Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 18 °FFalling Temperatures

Tonight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 9 °FRising Temperatures

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 19 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 10 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 28 °F

Tuesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 23 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 32 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 23 °F

Thanksgiving
Day

Chance Snow

Chance
Snow

High: 30 °F

Detailed Forecast

  • Today A 40 percent chance of snow showers. Mostly cloudy, with a temperature rising to near 18 by 11am, then falling to around 9 during the remainder of the day. Wind chill values as low as -9. Blustery, with a west wind around 22 mph, with gusts as high as 31 mph. Total daytime snow accumulation of around an inch possible.
  • Tonight Snow showers likely, mainly before 11pm. Cloudy, with a temperature rising to around 14 by 3am. Wind chill values as low as -9. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
  • Monday A 40 percent chance of snow showers. Mostly cloudy, with a high near 19. Wind chill values as low as -5. West northwest wind 15 to 18 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.
  • Monday Night A 40 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as -5. West southwest wind 15 to 17 mph, with gusts as high as 24 mph. New snow accumulation of 1 to 3 inches possible.
  • Tuesday A 50 percent chance of snow. Cloudy, with a high near 28. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 32 mph. New snow accumulation of 2 to 4 inches possible.
  • Tuesday Night Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Wednesday A 20 percent chance of snow. Mostly cloudy, with a high near 32. Breezy.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 23.
  • Thanksgiving Day A chance of snow. Partly sunny, with a high near 30.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 11.
  • Friday Partly sunny, with a high near 23.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 7.
  • Saturday A slight chance of snow. Partly sunny, with a high near 20.