National Weather Service United States Department of Commerce

Slight Risk of Severe Thunderstorms is Forecast This Afternoon through Tonight

A few severe storms are possible late this afternoon, this evening and tonight across parts of the northern High Plains. Other strong storms are possible today in a corridor arcing from the central Gulf Coast into the Tennessee Valley, and across lower Michigan and adjacent portions of the Great Lakes region. Heavy rain and local flash flooding is possible Gulf Coast and Lower Mississippi Valley.
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Current Conditions

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7 Miles W Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

This
Afternoon

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

High: 47 °F

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

Low: 34 °F

Sunday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 44 °F

Sunday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 34 °F

Labor
Day

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 47 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 36 °F

Tuesday

Sunny

Sunny

High: 55 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 40 °F

Wednesday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 55 °F

Detailed Forecast

  • This Afternoon Showers and thunderstorms. Steady temperature around 47. West southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 34. Light and variable wind becoming north 5 to 9 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  • Sunday A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 44. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Sunday Night A chance of rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. West wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Labor Day A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 47. West wind 7 to 13 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
  • Monday Night A 20 percent chance of showers before midnight. Mostly clear, with a low around 36.
  • Tuesday Sunny, with a high near 55.
  • Tuesday Night Mostly clear, with a low around 40.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 55.
  • Wednesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 34.
  • Thursday A chance of showers and thunderstorms. Mostly sunny, with a high near 47.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 50.