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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3 Miles WSW Helena MT

7 Day Forecast

Great Falls, MT

NWS Weather Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 38 °F

Sunday

Sunny

Sunny

High: 58 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Monday

Partly Sunny

Partly
Sunny

High: 67 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 44 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 62 °F

Tuesday
Night

Showers Chance for Measurable Precipitation 80%

Showers

Low: 40 °F

Wednesday

Rain/Snow Likely

Rain/Snow
Likely

High: 46 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 34 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 38. West wind around 11 mph.
  • Sunday Sunny, with a high near 58. West wind 8 to 15 mph, with gusts as high as 21 mph.
  • Sunday Night Partly cloudy, with a low around 36. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
  • Monday Partly sunny, with a high near 67. Calm wind becoming east southeast around 6 mph in the afternoon.
  • Monday Night Mostly cloudy, with a low around 44. East southeast wind 5 to 7 mph becoming light and variable after midnight.
  • Tuesday A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
  • Tuesday Night Showers. Low around 40. Chance of precipitation is 80%.
  • Wednesday Rain and snow showers likely. Mostly cloudy, with a high near 46.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 34.
  • Thursday A chance of showers. Mostly cloudy, with a high near 52.
  • Thursday Night A slight chance of showers. Mostly cloudy, with a low around 35.
  • Friday A slight chance of showers. Partly sunny, with a high near 57.
  • Friday Night A chance of showers. Mostly cloudy, with a low around 37.
  • Saturday A chance of showers. Mostly cloudy, with a high near 55.

 

Additional Forecasts and Information

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