National Weather Service United States Department of Commerce

Heavy Snow For the Southern Rockies with Heavy Rain for Portions of the Southwest

A moist flow off the Pacific will bring heavy rain to southern California and Arizona with heavy snow for the southern Rocky Mountains Monday. More freezing rain is possible from the southern Plains to the central Mississippi Valley. Heavy snow is also expected for portions of New England and upstate New York Monday.
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Current Conditions

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10 Miles N Winston MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 12 °F

Monday

Snow Chance for Measurable Precipitation 80%

Snow

High: 31 °F

Monday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 1 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 12 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: -4 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 27 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 14 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 41 °F

Thursday
Night

Slight Chance Rain

Slight Chc
Rain

Low: 27 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 12. Southeast wind around 9 mph.
  • Monday Snow after 11am. High near 31. Blustery, with an east southeast wind 5 to 10 mph becoming north northwest 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
  • Monday Night Snow with areas of blowing snow before 11pm, then snow likely after 11pm. Low around 1. Wind chill values as low as -15. Blustery, with a north wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
  • Tuesday A 30 percent chance of snow before 11am. Mostly sunny, with a high near 12. Wind chill values as low as -17. Northwest wind around 15 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
  • Tuesday Night Partly cloudy, with a low around -4. Northwest wind 3 to 5 mph.
  • Wednesday Mostly sunny, with a high near 27.
  • Wednesday Night Partly cloudy, with a low around 14.
  • Thursday Mostly sunny, with a high near 41.
  • Thursday Night A slight chance of rain showers. Mostly cloudy, with a low around 27.
  • Friday A slight chance of rain and snow showers. Partly sunny, with a high near 45.
  • Friday Night Partly cloudy, with a low around 26.
  • Saturday Mostly sunny, with a high near 46.
  • Saturday Night Partly cloudy, with a low around 28.
  • Sunday Mostly sunny, with a high near 49.