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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Great Falls MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 16 °C

Tuesday

Sunny

Sunny

High: 32 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 16 °C

Wednesday

Sunny

Sunny

High: 32 °C

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 16 °C

Thursday

Mostly Sunny

Mostly
Sunny

High: 30 °C

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 16 °C

Friday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 29 °C

Friday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 16 °C

Detailed Forecast

  • Tonight Partly cloudy, with a low around 16. East wind 5 to 14 km/h becoming south southwest after midnight.
  • Tuesday Sunny, with a high near 32. South southwest wind 5 to 10 km/h becoming east in the afternoon.
  • Tuesday Night Mostly clear, with a low around 16. East wind 11 to 14 km/h becoming south after midnight.
  • Wednesday Sunny, with a high near 32. South southwest wind 8 to 10 km/h becoming southeast in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 16. East southeast wind around 13 km/h.
  • Thursday Mostly sunny, with a high near 30.
  • Thursday Night Partly cloudy, with a low around 16.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 29.
  • Friday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 16.
  • Saturday Mostly sunny, with a high near 29.
  • Saturday Night Partly cloudy, with a low around 16.
  • Sunday Mostly sunny, with a high near 30.
  • Sunday Night Partly cloudy, with a low around 16.
  • Monday Mostly sunny, with a high near 30.