Great Falls Weather Forecast
- 49
- 73
Chance Rain Showers
- 43
- 68
Rain Showers Likely
- 49
- 75
Chance Rain
- 42
- 65
Chance Rain
- 48
- 75
Partly Sunny
- 53
- 81
Partly Sunny
Today 6 May Cascade County below 5000ft
Warmer, sunny. Highs in the upper 60s. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.
Tonight 6 May Cascade County below 5000ft
Warmer. Partly cloudy. Chance of rain Showers and slight chance of Thunderstorms. Highs 68 to 74. Lows 24 to 50. Southwest Winds up to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 50 percent.
Great Falls Temperature Statistics
May Temperature
Great Falls, Great Falls International Airport (3.7 miles)
Lowest
–Average May
–Highest
–
Climate (2021–Present)
Great Falls, Great Falls International Airport (3.7 miles)
Average Low 2021–2026
34.4 °FAverage 2021–2026
47 °FAverage High 2021–2026
59.1 °F