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This Saturday, June 27: Great Falls Disaster Response Expo - FREE and Family-Friendly Event, Great Falls College at MSU
SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333° N Lon: 111.38222° W Elev: 3675.0 ft.

Clear

73°F

23°C

Humidity	29%
Wind Speed	E 9 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	24 Jun 04:00 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Cascade County below 5000ft

Tonight

Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Lows in the upper 40s. East winds up to 15 mph.

Thursday

Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds up to 5 mph shifting to the southeast in the afternoon. Chance of precipitation 70 percent.

Thursday Night

Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the lower 50s. East winds up to 5 mph shifting to the south after midnight.

Friday

Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds up to 10 mph. Chance of precipitation 90 percent.

Friday Night

Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the upper 40s. Southwest winds 5 to 10 mph. Chance of precipitation 90 percent.

Saturday

Partly sunny. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 65 to 71. Chance of precipitation 50 percent.

Saturday Night

Rain showers likely and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the upper 40s. Chance of precipitation 70 percent.

Sunday And Sunday Night

Windy, cooler. Rain showers likely and slight chance of thunderstorms. Highs in the upper 50s. Lows in the mid 40s. Chance of precipitation 70 percent.

Monday

Windy. Mostly cloudy. Rain showers likely in the morning, then chance of rain showers in the afternoon. Highs in the lower 60s. Chance of showers 60 percent.

Monday Night

Breezy. Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows in the upper 40s.

Tuesday

Breezy. Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 70s.

Tuesday Night

Partly cloudy. Lows in the upper 40s.

Wednesday

Sunny. Highs in the mid 70s.