National Weather Service United States Department of Commerce

Strong storm system to bring unsettled weather from Gulf Coast to Great Lakes through Wednesday

A strong storm system will bring potential for severe weather, heavy rainfall and flooding, and heavy snow from the Gulf Coast to the Great Lakes through Wednesday. Severe storms are possible Tuesday across the Gulf Coast states with damaging winds as the primary threat, however a tornadoes cannot be ruled out. Flash flooding is also possible across parts of the Southeast through Wednesday.
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Current Conditions

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6 Miles W Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 8 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 21 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 16 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 26 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 13 °F

Christmas
Day

Snow Chance for Measurable Precipitation 100%

Snow

High: 17 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 5 °F

Friday

Slight Chance Snow

Slight Chc
Snow

High: 11 °F

Friday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 3 °F

Detailed Forecast

  • Tonight A 30 percent chance of snow showers. Mostly cloudy, with a low around 8. Wind chill values as low as -3. West northwest wind 9 to 14 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than one inch possible.
  • Tuesday Mostly sunny, with a high near 21. Wind chill values as low as -5. West wind around 10 mph.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 16. West wind 10 to 14 mph, with gusts as high as 20 mph.
  • Wednesday A slight chance of snow before 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 26. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
  • Wednesday Night Snow with areas of blowing snow. Low around 13. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
  • Christmas Day Snow. High near 17. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Thursday Night A 50 percent chance of snow. Mostly cloudy, with a low around 5. New snow accumulation of around an inch possible.
  • Friday A slight chance of snow showers. Mostly cloudy, with a high near 11.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 3.
  • Saturday A chance of snow. Mostly cloudy, with a high near 13.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Sunday A chance of snow. Mostly cloudy, with a high near 14.
  • Sunday Night A chance of snow. Mostly cloudy, with a low around 3.
  • Monday A chance of snow. Mostly cloudy and cold, with a high near 7.