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Great Falls Weather in December
United States · early winter in Northern Hemisphere / early summer in Southern Hemisphere
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.
Holiday season. Many cities decorate beautifully. Book ahead for December travel.
Current Weather in Great Falls Right Now
47°F
Clear Sky
Feels like 41°F · H 50°F / L 46°F