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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22 Miles NW West Yellowstone MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 16 °F

Sunday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 22 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 10 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 22 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 8 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 29 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 22 °F

Wednesday

Chance Snow

Chance
Snow

High: 33 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 18 °F

Detailed Forecast

  • Tonight Snow showers likely, mainly after 11pm. Mostly cloudy, with a steady temperature around 16. Wind chill values as low as -2. West northwest wind 7 to 11 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
  • Sunday Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 22. Wind chill values as low as -6. West northwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
  • Sunday Night Snow showers likely. Cloudy, with a low around 10. Wind chill values as low as -2. West wind 10 to 13 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
  • Monday A 50 percent chance of snow showers. Mostly cloudy, with a high near 22. Wind chill values as low as -5. West northwest wind 9 to 13 mph. New snow accumulation of less than one inch possible.
  • Monday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 8. South southwest wind 5 to 7 mph. New snow accumulation of 1 to 3 inches possible.
  • Tuesday Snow likely. Cloudy, with a high near 29. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.
  • Tuesday Night A 50 percent chance of snow. Cloudy, with a low around 22. New snow accumulation of 1 to 3 inches possible.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 33.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 18.
  • Thanksgiving Day A slight chance of snow. Partly sunny, with a high near 31.
  • Thursday Night Mostly cloudy, with a low around 13.
  • Friday A slight chance of snow. Partly sunny, with a high near 28.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 12.
  • Saturday A slight chance of snow. Partly sunny, with a high near 26.