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 |

Great Falls International Airport MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 47 °F

Saturday

Sunny

Sunny

High: 71 °F

Saturday
Night

Clear

Clear

Low: 46 °F

Sunday

Sunny

Sunny

High: 76 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 49 °F

Monday

Sunny

Sunny

High: 80 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 52 °F

Tuesday

Sunny

Sunny

High: 81 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 47. Southwest wind around 9 mph.
  • Saturday Sunny, with a high near 71. West southwest wind around 6 mph becoming calm.
  • Saturday Night Clear, with a low around 46. East northeast wind 5 to 9 mph becoming light and variable after midnight.
  • Sunday Sunny, with a high near 76. South southwest wind around 6 mph becoming east southeast in the afternoon.
  • Sunday Night Mostly clear, with a low around 49. East wind around 8 mph becoming south after midnight.
  • Monday Sunny, with a high near 80.
  • Monday Night Mostly clear, with a low around 52.
  • Tuesday Sunny, with a high near 81.
  • Tuesday Night Partly cloudy, with a low around 53.
  • Wednesday Mostly sunny, with a high near 83.
  • Wednesday Night Partly cloudy, with a low around 54.
  • Thursday Partly sunny, with a high near 78.
  • Thursday Night A slight chance of showers. Mostly cloudy, with a low around 50.
  • Friday A slight chance of showers and thunderstorms. Partly sunny, with a high near 70.