National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from parts of Plains to Great Lakes on Labor Day

Isolated severe thunderstorms are forecast to develop on Labor Day along and ahead of a cold front from parts of the southern Great Lakes southwestward across Illinois and Missouri into southeast Kansas. Damaging winds, large hail and heavy rainfall will be possible with these storms.
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Current Conditions

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3 Miles WSW Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 44 °F

Labor
Day

Partly Sunny

Partly
Sunny

High: 66 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 46 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 75 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 46 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 62 °F

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 40 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 61 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 41 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 44. West wind 7 to 9 mph.
  • Labor Day Partly sunny, with a high near 66. West wind 9 to 11 mph.
  • Monday Night Partly cloudy, with a low around 46. West wind around 10 mph.
  • Tuesday Mostly sunny, with a high near 75. West southwest wind around 6 mph.
  • Tuesday Night Mostly clear, with a low around 46. West southwest wind around 7 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 62.
  • Wednesday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
  • Thursday Mostly sunny, with a high near 61.
  • Thursday Night Partly cloudy, with a low around 41.
  • Friday Mostly sunny, with a high near 66.
  • Friday Night Partly cloudy, with a low around 42.
  • Saturday Mostly sunny, with a high near 70.
  • Saturday Night Partly cloudy, with a low around 44.
  • Sunday Mostly sunny, with a high near 69.