National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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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

Today

Rain Chance for Measurable Precipitation 100%

Rain

High: 13 °C

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 7 °C

Sunday

Rain Chance for Measurable Precipitation 80%

Rain

High: 15 °C

Sunday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 6 °C

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 18 °C

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 8 °C

Tuesday

Mostly Sunny

Mostly
Sunny

High: 23 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 11 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 28 °C

Detailed Forecast

  • Today Rain. High near 13. North wind 23 to 26 km/h, with gusts as high as 37 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.
  • Tonight Rain. Low around 7. North wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 34 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.
  • Sunday Rain, with thunderstorms also possible after 1pm. High near 15. Northwest wind 11 to 13 km/h. Chance of precipitation is 80%.
  • Sunday Night A 50 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 6. North northwest wind 5 to 11 km/h becoming east southeast after midnight.
  • Monday A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 18. East southeast wind 5 to 10 km/h becoming south southwest in the morning.
  • Monday Night A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 8.
  • Tuesday Mostly sunny, with a high near 23.
  • Tuesday Night Partly cloudy, with a low around 11.
  • Wednesday Mostly sunny, with a high near 28.
  • Wednesday Night Mostly clear, with a low around 13.
  • Thursday Mostly sunny, with a high near 30.
  • Thursday Night Partly cloudy, with a low around 14.
  • Friday Mostly sunny, with a high near 29.