Great Falls, Montana Weather:
Sunday, December 20, 2026
Cloudy Weather
Day 36°
Night 18°
Precipitation 2 %
Wind 15 mph
Weather Forecast History
Last Year's Weather on This Day (December 20, 2025)
Cloudy Weather

Day

39°

Night

28°

Wind

20 mph

UV Index

2

Precipitation

4 %