National Weather Service United States Department of Commerce

Flash flooding possible across parts of Great Basin and southern Plains

A very wet pattern will persist across the Great Basin and into the southern Plains on Tuesday. Heavy rainfall is expected from southeastern Wyoming across Colorado, northeastern New Mexico into the Texas Panhandle and western Oklahoma. Isolated rainfall rates of 1-2 inches per hour will bring a risk of flash flooding to these areas
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Great Falls MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 33 °C

Tonight

Mostly Clear

Mostly
Clear

Low: 17 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 32 °C

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 16 °C

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 32 °C

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 16 °C

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 30 °C

Friday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 17 °C

Saturday

Chance Thunderstorms

Chance
Thunderstorms

High: 26 °C

Detailed Forecast

  • Today Mostly sunny, with a high near 33. Light and variable wind becoming east northeast 8 to 13 km/h in the afternoon.
  • Tonight Mostly clear, with a low around 17. East wind 8 to 14 km/h becoming south southwest after midnight.
  • Wednesday Mostly sunny, with a high near 32. South southwest wind 5 to 10 km/h becoming southeast in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 16. Southeast wind 8 to 10 km/h becoming south southwest after midnight.
  • Thursday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 32. Southwest wind 5 to 10 km/h becoming calm in the afternoon.
  • Thursday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 16.
  • Friday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 30.
  • Friday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 17.
  • Saturday A chance of showers and thunderstorms. Mostly sunny, with a high near 26.
  • Saturday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 15.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 28.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 28.