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Great Falls Weather
United States · Updated Saturday, April 4, 2026 at 5:44 AM ET
37°F
Few Clouds
Feels like 29°F · H 38°F / L 35°F
Humidity
71%
Wind
13 mph
SW
Visibility
6 mi
Golden Hour · Great Falls Today
Morning Golden Hour
3:59 PM – 4:59 PM
Sunrise 4:09 PM
Evening Golden Hour
4:18 AM – 5:18 AM
Sunset 5:08 AM
About Great Falls Weather
Great Falls on the Missouri River is Montana's windiest city, exposed to the open Hi-Line plains. Chinook winds from the Rocky Mountains can raise temperatures 50°F in hours, setting world records for rapid temperature rises. The city experienced a 103°F rise in 24 hours in 1972 — the largest temperature change ever recorded.