National Weather Service United States Department of Commerce

Strong winds in the Great Lakes and Ohio Valley

A developing storm system in the Upper Midwest will move through the Great Lakes into Canada on Monday. Winds will be gusty and strong around this system and extend from the Great Lakes to the Ohio and Tennessee Valleys. The strongest winds will be around Lake Ontario and Lake Erie, with gusts up to 60 mph in parts of Michigan, Ohio and Upstate New York where High Wind Warnings are in effect.
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Current Conditions

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Great Falls MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 2 °C

Monday

Mostly Sunny

Mostly
Sunny

High: 5 °C

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 2 °C

Tuesday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 6 °C

Tuesday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: -2 °C

Wednesday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 5 °C

Wednesday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: -7 °C

Thanksgiving
Day

Chance Snow

Chance
Snow

High: 3 °C

Thursday
Night

Slight Chance Snow

Slight Chc
Snow

Low: -7 °C

Detailed Forecast

  • Overnight A slight chance of rain and snow showers. Mostly cloudy, with a steady temperature around -17. West wind around 24 km/h, with gusts as high as 34 km/h. Chance of precipitation is 20%.
  • Monday Mostly sunny, with a high near 5. West wind 18 to 27 km/h, with gusts as high as 39 km/h.
  • Monday Night A 20 percent chance of snow showers after 11pm. Increasing clouds, with a steady temperature around -17. Southwest wind 23 to 32 km/h, with gusts as high as 45 km/h.
  • Tuesday A chance of snow showers before 11am, then a chance of rain and snow showers. Cloudy, with a high near 6. West wind 18 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 50%. New snow accumulation of around a centimeter possible.
  • Tuesday Night Snow showers. Low around -2. West southwest wind 5 to 8 km/h becoming south southeast in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 centimeters possible.
  • Wednesday Snow showers likely. Mostly cloudy, with a high near 5. Chance of precipitation is 70%. New snow accumulation of 1 to 3 centimeters possible.
  • Wednesday Night A chance of rain and snow showers before 11pm, then a chance of snow. Mostly cloudy, with a low around -7. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Thanksgiving Day A chance of snow. Partly sunny, with a high near 3.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around -7.
  • Friday A chance of snow. Partly sunny, with a high near -3.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around -19.
  • Saturday A slight chance of snow. Mostly sunny and cold, with a high near -13.
  • Saturday Night A slight chance of snow. Partly cloudy, with a low around -20.
  • Sunday A chance of snow. Mostly sunny, with a high near -10.