National Weather Service United States Department of Commerce

We need your feedback! Take our new, shorter survey

NWS is conducting research on how to better serve your needs. Please complete our annual customer satisfaction survey. We've shortened it from previous years to make it easier for you to share your opinions with us. The survey is available via the link below and the core section should only take about 10 minutes to complete.
Read More...

Current Conditions

En Español

Share |

12 Miles E Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 40 °F

Saturday

Sunny

Sunny

High: 60 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 41 °F

Sunday

Sunny

Sunny

High: 61 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 41 °F

Monday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 56 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 43 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 58 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 42 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 40. Calm wind becoming west northwest around 5 mph after midnight.
  • Saturday Sunny, with a high near 60. Northwest wind around 6 mph becoming calm.
  • Saturday Night Mostly clear, with a low around 41. North northeast wind 5 to 7 mph becoming calm.
  • Sunday Sunny, with a high near 61. Southeast wind around 6 mph.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41. East southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 20%.
  • Monday A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 56. Chance of precipitation is 30%.
  • Monday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
  • Tuesday Mostly sunny, with a high near 58.
  • Tuesday Night Partly cloudy, with a low around 42.
  • Wednesday Mostly sunny, with a high near 60.
  • Wednesday Night Partly cloudy, with a low around 41.
  • Thursday A chance of showers and thunderstorms. Partly sunny, with a high near 57.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 54.