Great Falls, Montana Weather:
Thursday, December 17, 2026
Snowy Weather
Day 34°
Night 19°
Precipitation 40 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (December 17, 2025)
Snowy Weather

Day

54°

Night

23°

Wind

30 mph

UV Index

2

Precipitation

96 %