National Weather Service United States Department of Commerce

Flash flooding threat continues from the Great Basin across the southern Plains

The wet pattern in place will continue from the Great Basin across the central and southern Rockies into the southern Plains into Wednesday. Ample monsoonal moisture with a frontal boundary in place will allow for shower and thunderstorm development with locally heavy rainfall at times. The heavier showers could lead to flash flooding in some areas, especially urban areas and burn scars.
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Current Conditions

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12 Miles E Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 46 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 64 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 47 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 65 °F

Thursday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 47 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 64 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 45 °F

Saturday

Chance Thunderstorms

Chance
Thunderstorms

High: 64 °F

Saturday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 45 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 46. East wind 5 to 7 mph.
  • Wednesday A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. South southeast wind around 6 mph becoming light and variable.
  • Wednesday Night A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47. Calm wind becoming southeast 5 to 7 mph in the evening.
  • Thursday A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 65. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
  • Thursday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Northeast wind around 6 mph becoming light and variable after midnight.
  • Friday A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 64.
  • Friday Night A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 45.
  • Saturday A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Saturday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 45.
  • Sunday A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Sunday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
  • Monday A chance of showers and thunderstorms. Mostly sunny, with a high near 62.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 65.