National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Overcast

23°F

-5°C

Humidity 85%
Wind Speed E 12 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 03 Jan 05:35 AM MST
Extended Forecast for

Sun Prairie MT

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 53. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 53 °F

    Gradual
    Clearing

  • Tonight

    Tonight: A slight chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 35. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 32 mph.

    High: 53 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. South southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Breezy, with a southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 46 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 53. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A slight chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 35. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 53. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 30. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 48. South southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 14 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 46. Breezy, with a southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 41 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 44. Breezy.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie MT
 47.54°N 111.47°W (Elev. 3399 ft)
Last Update:
4:37 am MST Jan 3, 2026
Forecast Valid:
5am MST Jan 3, 2026-6pm MST Jan 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation