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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Partly Cloudy

41°F

5°C

Humidity	50%
Wind Speed	N 0 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Last update	29 Mar 12:53 AM MDT

More Information:

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

Detailed forecast for

Cascade County below 5000ft

Rest Of Tonight

Breezy. Mostly cloudy. Chance of rain and slight chance of snow. Highs in the lower 60s. Lows 31 to 37. Southwest winds 5 to 25 mph with gusts to around 45 mph. Chance of precipitation 50 percent.

Monday

Windy, cooler. Partly sunny. Chance of snow and rain in the morning, then chance of snow in the afternoon. Highs in the mid 40s. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 50 percent.

Monday Night

Colder. Mostly cloudy with a 20 percent chance of snow in the evening, then partly cloudy after midnight. Lows around 17. Northwest winds 15 to 20 mph with gusts to around 35 mph becoming north up to 5 mph after midnight.

Tuesday

Mostly sunny. Highs in the upper 40s. East winds up to 10 mph.

Tuesday Night

Mostly cloudy. Lows in the upper 20s. East winds 5 to 10 mph shifting to the south after midnight.

Wednesday

Not as cool. Mostly sunny. Highs in the upper 50s.

Wednesday Night

Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.

Thursday

Breezy, cooler. Rain and snow likely in the morning, then rain in the afternoon. Highs in the upper 40s. Chance of precipitation 90 percent.

Thursday Night

Breezy. Mostly cloudy. Snow and rain likely in the evening, then chance of snow after midnight. Heavy snow accumulations. Lows in the mid 20s. Chance of precipitation 70 percent.

Friday

Breezy. Mostly cloudy with a 50 percent chance of snow. Highs in the lower 40s.

Friday Night

Mostly cloudy with a 20 percent chance of snow and rain in the evening, then partly cloudy after midnight. Lows in the mid 20s.

Saturday

Mostly sunny. A 20 percent chance of snow in the morning. Highs in the lower 50s.

Saturday Night And Sunday

Partly cloudy. Lows in the lower 30s. Highs in the mid 50s.