Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Mostly Cloudy

70°F

21°C

Humidity 26%
Wind Speed SW 21 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Mar 03:53 PM MDT
Detailed forecast for

Cascade County below 5000ft

Tonight
Windy. Partly cloudy early in the evening then becoming mostly cloudy. Lows in the lower 50s. Southwest winds 15 to 30 mph with gusts to around 50 mph.
Friday
Very windy. Partly sunny. Highs in the mid 70s. Southwest winds 15 to 30 mph increasing to 30 to 40 mph in the afternoon. Gusts up to 60 mph.
Friday Night
Windy. Partly cloudy. Lows in the upper 40s. Southwest winds 20 to 35 mph decreasing to 10 to 25 mph after midnight. Gusts up to 60 mph.
Saturday
Windy, cooler. Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the lower 60s. West winds 10 to 30 mph. Gusts up to 50 mph in the morning. Chance of rain 50 percent.
Saturday Night
Colder. Mostly clear. Lows in the lower 30s. Northwest winds 10 to 20 mph with gusts to around 40 mph shifting to the west 5 to 10 mph after midnight.
Sunday
Sunny. Highs in the mid 50s.
Sunday Night Through Tuesday
Mostly cloudy. Lows in the mid 30s. Highs in the upper 50s.
Tuesday Night
Mostly cloudy with a 20 percent chance of rain. Lows in the upper 30s.
Wednesday
Windy. Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.
Wednesday Night
Breezy, colder. Partly cloudy. Slight chance of rain and snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent.
Thursday
Breezy, cooler. Mostly sunny with a 20 percent chance of snow. Highs in the upper 40s.



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337 PM MDT Thu Mar 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database