Great Falls Weather Forecast
- 43
- 70
Increasing Clouds
- 39
- 72
Mostly Cloudy
- 33
- 57
Chance Rain/Snow
- 31
- 44
Rain/Snow Likely
- 29
- 47
Chance Rain/Snow
- 31
- 48
Chance Rain/Snow
Today 26 Mar Cascade County below 5000ft
Sunny in the morning then becoming partly cloudy. Highs 65 to 70. Southwest Winds up to 10 Mph shifting to the northeast in the afternoon.
Tonight 26 Mar Cascade County below 5000ft
Partly cloudy. Lows 40 to 45. East Winds 5 to 10 Mph shifting to the south after midnight.
Great Falls Temperature Statistics
March Temperature
Great Falls, Great Falls International Airport (3.7 miles)
Lowest 15 March, 2025
15.9 °FAverage March
38.9 °FHighest 1 March, 2025
65.6 °F
Climate (2020–Present)
Great Falls, Great Falls International Airport (3.7 miles)
Average Low 2020–2025
33.8 °FAverage 2020–2025
46.1 °FAverage High 2020–2025
58 °F