National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Marysville MT

7 Day Forecast

Great Falls, MT

NWS Weather Forecast Office

Overnight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 31 °F

Sunday

Breezy

Breezy

High: 45 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Monday

Partly Sunny

Partly
Sunny

High: 55 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 41 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 50 °F

Tuesday
Night

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 27 °F

Wednesday

Snow Likely

Snow
Likely

High: 33 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 25 °F

Detailed Forecast

  • Overnight A 20 percent chance of snow showers after midnight. Partly cloudy, with a low around 31. Blustery, with a west wind 15 to 23 mph, with gusts as high as 32 mph.
  • Sunday Sunny, with a high near 45. Breezy, with a west wind 22 to 24 mph, with gusts as high as 33 mph.
  • Sunday Night Partly cloudy, with a low around 34. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
  • Monday Partly sunny, with a high near 55. Southwest wind 5 to 7 mph becoming southeast in the afternoon.
  • Monday Night Mostly cloudy, with a low around 41. Southeast wind around 7 mph becoming south southwest after midnight.
  • Tuesday A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
  • Tuesday Night Rain showers before midnight, then snow showers. Low around 27. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Wednesday Snow showers likely. Mostly cloudy, with a high near 33. Breezy.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 25.
  • Thursday A chance of snow showers. Mostly cloudy, with a high near 39.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 31.
  • Friday A chance of snow showers. Partly sunny, with a high near 44.
  • Friday Night A chance of snow showers. Mostly cloudy, with a low around 31.
  • Saturday A chance of snow showers. Mostly cloudy, with a high near 41.

 

Additional Forecasts and Information

Zone Area Forecast for Central and Southern Lewis and Clark, MT