National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
Read More...

Current Conditions

En Español

Share |

7 Miles W Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 18 °F

Friday

Partly Sunny

Partly
Sunny

High: 28 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 20 °FRising Temperatures

Saturday

Snow Chance for Measurable Precipitation 80%

Snow

High: 26 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 9 °F

Sunday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 19 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 7 °F

Monday

Chance Snow

Chance
Snow

High: 16 °F

Monday
Night

Chance Snow

Chance
Snow

Low: 8 °F

Detailed Forecast

  • Tonight A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 18. Southwest wind around 11 mph.
  • Friday Partly sunny, with a high near 28. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
  • Friday Night A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature rising to around 25 by 2am. Windy, with a south southwest wind 16 to 21 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 55 mph. New snow accumulation of less than one inch possible.
  • Saturday Snow showers. High near 26. Wind chill values as low as -2. Breezy, with a west southwest wind around 26 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
  • Saturday Night A 50 percent chance of snow. Mostly cloudy, with a low around 9. Breezy, with a west wind 17 to 22 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
  • Sunday A 50 percent chance of snow showers. Mostly cloudy, with a high near 19. New snow accumulation of less than one inch possible.
  • Sunday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 7. New snow accumulation of around an inch possible.
  • Monday A chance of snow. Mostly cloudy, with a high near 16.
  • Monday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Tuesday Snow likely. Mostly cloudy, with a high near 20.
  • Tuesday Night Snow likely. Cloudy, with a low around 13.
  • Wednesday Snow likely. Mostly cloudy, with a high near 22.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 9.
  • Thanksgiving Day A chance of snow showers. Partly sunny, with a high near 20.