National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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3 Miles WSW Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 63 °F

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 39 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 53 °F

Saturday
Night

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 35 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 41 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 30 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 42 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 32 °F

Tuesday

Slight Chance Rain/Snow

Slight Chc
Rain/Snow

High: 47 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph in the afternoon.
  • Tonight Mostly cloudy, with a low around 39. Light south southwest wind.
  • Saturday A 40 percent chance of showers after noon. Mostly cloudy, with a high near 53. Calm wind becoming northwest around 5 mph in the afternoon.
  • Saturday Night Rain before midnight, then snow. Low around 35. West northwest wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Sunday Snow. High near 41. West wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Sunday Night A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 30. Little or no snow accumulation expected.
  • Monday Mostly sunny, with a high near 42.
  • Monday Night Partly cloudy, with a low around 32.
  • Tuesday A slight chance of rain and snow showers. Partly sunny, with a high near 47.
  • Tuesday Night A slight chance of showers. Mostly cloudy, with a low around 39.
  • Wednesday A slight chance of showers. Partly sunny, with a high near 52.
  • Wednesday Night A slight chance of showers. Mostly cloudy, with a low around 40.
  • Thursday A slight chance of showers. Partly sunny, with a high near 56.