National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Current Conditions

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Marysville MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 39 °F

Saturday

Rain Chance for Measurable Precipitation 100%

Rain

High: 47 °F

Saturday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 36 °F

Sunday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 51 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 39 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 54 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 41 °F

Tuesday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 55 °F

Tuesday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 43 °F

Detailed Forecast

  • Overnight Rain. Low around 39. North northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Rain, with thunderstorms also possible after noon. High near 47. North wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
  • Saturday Night Rain before midnight, then a chance of showers after midnight. Low around 36. North wind 8 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Sunday A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 51. North northwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 40%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. East wind around 7 mph. Chance of precipitation is 30%.
  • Monday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 54. Chance of precipitation is 40%.
  • Monday Night A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 40%.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 55.
  • Tuesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
  • Wednesday Mostly sunny, with a high near 66.
  • Wednesday Night Partly cloudy, with a low around 50.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.
  • Thursday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.