National Weather Service

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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.

Clear

34°F

1°C

Humidity	55%
Wind Speed	SW 8 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	27°F (-3°C)
Last update	18 Apr 11:35 PM 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

Mostly clear. Lows in the lower 30s. Southwest winds up to 10 mph.

Sunday

Sunny. Highs in the upper 60s. Southwest winds up to 10 mph increasing to 10 to 15 mph in the afternoon.

Sunday Night

Partly cloudy. Lows around 40. Southwest winds 5 to 10 mph. Gusts up to 25 mph in the evening.

Monday

Sunny. Highs in the mid 70s. Southwest winds up to 10 mph.

Monday Night

Partly cloudy. Lows in the mid 40s. Southwest winds 5 to 10 mph.

Tuesday

Mostly sunny. Highs around 80.

Tuesday Night

Mostly cloudy. Lows in the upper 40s.

Wednesday

Cooler. Partly sunny. Rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 70 percent.

Wednesday Night

Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Chance of precipitation near 100 percent.

Thursday

Windy. Much colder. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Chance of snow 70 percent.

Thursday Night

Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 50 percent.

Friday And Friday Night

Mostly cloudy. A 20 percent chance of snow. Highs in the mid 40s. Lows in the mid 20s.

Saturday

Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent.