National Weather Service United States Department of Commerce

Severe weather possible for parts of central Plains

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening across portions of the central Plains, from northeastern Colorado into portions of southwestern Nebraska and northwestern Kansas. Large hail, damaging straight-line winds will be the main threats, though a couple of tornadoes are possible, as well.
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Current Conditions

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St Mary MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 48 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 72 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 44 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 70 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 44 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 59 °F

Saturday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 39 °F

Sunday

Chance Showers

Chance
Showers

High: 56 °F

Sunday
Night

Chance Showers

Chance
Showers

Low: 39 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 48. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.
  • Thursday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West wind 10 to 15 mph, with gusts as high as 21 mph.
  • Thursday Night A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44. West northwest wind 5 to 8 mph becoming light and variable.
  • Friday Mostly sunny, with a high near 70. South southwest wind 7 to 10 mph.
  • Friday Night Partly cloudy, with a low around 44. Southwest wind around 16 mph, with gusts as high as 23 mph.
  • Saturday A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 59. Chance of precipitation is 20%.
  • Saturday Night A 20 percent chance of showers after midnight. Partly cloudy, with a low around 39.
  • Sunday A chance of showers and thunderstorms. Partly sunny, with a high near 56.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 39.
  • Labor Day A slight chance of showers and thunderstorms. Partly sunny, with a high near 58.
  • Monday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
  • Tuesday A slight chance of showers. Partly sunny, with a high near 61.
  • Tuesday Night A slight chance of showers. Mostly cloudy, with a low around 43.
  • Wednesday A chance of showers. Partly sunny, with a high near 62.