National Weather Service United States Department of Commerce

Threat of flash flooding continues on Sunday for the Southern Plains, the Southwest, and Inter-Mountain West

High levels of moisture still remain in parts of New Mexico and Texas, as well as portions of the Inter-Mountain West on Sunday. This will continue the threat of locally heavy rainfall and flash flooding. Isolated locations could receive 1 to 2 inches of additional rainfall on Sunday.
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Current Conditions

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8 Miles SE Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 40 °F

Monday

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

High: 63 °F

Monday
Night

Heavy Rain Chance for Measurable Precipitation 30%

Heavy
Rain

Low: 39 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 67 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 45 °F

Wednesday

Sunny

Sunny

High: 73 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 44 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 73 °F

Thursday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 42 °F

Detailed Forecast

  • Tonight Scattered showers, mainly after midnight. Mostly cloudy, with a low around 40. South wind 3 to 5 mph. Chance of precipitation is 30%.
  • Monday A chance of showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 63. South wind 5 to 8 mph. Chance of precipitation is 50%.
  • Monday Night A 30 percent chance of showers and thunderstorms before midnight. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 39. South southwest wind 3 to 6 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. South southwest wind 5 to 8 mph.
  • Tuesday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. South wind around 6 mph.
  • Wednesday Sunny, with a high near 73.
  • Wednesday Night Mostly clear, with a low around 44.
  • Thursday Mostly sunny, with a high near 73.
  • Thursday Night A slight chance of showers. Partly cloudy, with a low around 42.
  • Friday A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 58.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
  • Sunday A chance of showers. Partly sunny, with a high near 58.