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.
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Hazardous Weather Conditions

Current Conditions

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4 Miles SW Helena MT

7 Day Forecast

Great Falls, MT

NWS Weather Forecast Office

This
Afternoon

Sunny

Sunny

High: 55 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 38 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 63 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 44 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 58 °F

Tuesday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 33 °F

Wednesday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 43 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 35 °F

Thursday

Chance Rain/Snow

Chance
Rain/Snow

High: 50 °F

Detailed Forecast

  • This Afternoon Sunny, with a high near 55. West wind around 18 mph, with gusts as high as 25 mph.
  • Tonight Partly cloudy, with a low around 38. West northwest wind 8 to 13 mph becoming light and variable after midnight.
  • Monday Mostly sunny, with a high near 63. Southeast wind 3 to 8 mph.
  • Monday Night Mostly cloudy, with a low around 44. Southeast wind around 7 mph.
  • Tuesday A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58. South wind 5 to 7 mph. Chance of precipitation is 70%.
  • Tuesday Night Rain showers before midnight, then snow showers. Low around 33. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Wednesday Snow showers likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 35.
  • Thursday A chance of rain and snow showers. Partly sunny, with a high near 50.
  • Thursday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 37.
  • Friday A chance of showers. Mostly cloudy, with a high near 52.
  • Friday Night A chance of showers. Mostly cloudy, with a low around 38.
  • Saturday A chance of showers. Mostly cloudy, with a high near 50.

 

Additional Forecasts and Information

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