National Weather Service United States Department of Commerce

Winter weather forecast for Rockies and southern Plains

A developing storm system will bring snow to parts of the Rockies and southern Plains on Friday, which will move into the central U.S. on Saturday. Freezing rain is also forecast from Texas to the mid-Mississippi Valley and into the Carolinas. Meanwhile, temperatures will be 20-40 degrees below normal across parts of the central and southern U.S. on Friday.
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Current Conditions

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2 Miles S Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 4 °F

Saturday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 19 °F

Saturday
Night

Clear

Clear

Low: 5 °F

Sunday

Sunny

Sunny

High: 30 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 15 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 30 °F

Monday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 5 °F

Tuesday

Snow Likely

Snow
Likely

High: 13 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: -4 °F

Detailed Forecast

  • Tonight A 40 percent chance of snow. Cloudy, with a low around 4. North northwest wind 5 to 7 mph. Total nighttime snow accumulation of less than one inch possible.
  • Saturday A 30 percent chance of snow before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 19. North northwest wind around 6 mph becoming calm. New snow accumulation of less than a half inch possible.
  • Saturday Night Clear, with a low around 5. Light and variable wind.
  • Sunday Sunny, with a high near 30. Light south southeast wind.
  • Sunday Night Partly cloudy, with a low around 15. Southwest wind around 5 mph.
  • Monday A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 30. New snow accumulation of less than a half inch possible.
  • Monday Night Snow. Low around 5. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
  • Tuesday Snow likely. Mostly cloudy, with a high near 13.
  • Tuesday Night Partly cloudy, with a low around -4.
  • Wednesday Mostly sunny, with a high near 26.
  • Wednesday Night Partly cloudy, with a low around 16.
  • Thursday Partly sunny, with a high near 42.
  • Thursday Night Mostly cloudy, with a low around 26.
  • Friday Partly sunny, with a high near 45.