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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21 Miles WNW Augusta MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Sunny

Sunny

High: 84 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 51 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 82 °F

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 52 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 83 °F

Thursday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 50 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 79 °F

Friday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 51 °F

Saturday

Chance Thunderstorms

Chance
Thunderstorms

High: 70 °F

Detailed Forecast

  • Today Sunny, with a high near 84. Light and variable wind.
  • Tonight A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. Calm wind becoming west around 6 mph after midnight.
  • Wednesday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind.
  • Wednesday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. Light and variable wind.
  • Thursday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind.
  • Thursday Night A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 50.
  • Friday A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 79.
  • Friday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Saturday A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
  • Saturday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
  • Sunday A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
  • Sunday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
  • Monday A chance of showers and thunderstorms. Mostly sunny, with a high near 77.