National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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3 Miles SSE Belt MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 90 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 57 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 90 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 58 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 90 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 86 °F

Friday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 55 °F

Saturday

Chance Thunderstorms

Chance
Thunderstorms

High: 79 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 90. Calm wind becoming east 5 to 9 mph in the afternoon.
  • Tonight Mostly clear, with a low around 57. East southeast wind 7 to 10 mph.
  • Wednesday Mostly sunny, with a high near 90. South southeast wind around 6 mph becoming calm.
  • Wednesday Night Partly cloudy, with a low around 58. Southeast wind 6 to 8 mph.
  • Thursday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. South southwest wind around 5 mph becoming calm in the afternoon.
  • Thursday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
  • Friday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
  • Friday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
  • Saturday A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
  • Saturday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.