Great Falls Weather Forecast
- 24
- 51
Slight Chance Rain/Snow
- 48
- 70
Partly Sunny
- 45
- 68
Rain Showers Likely
- 46
- 73
Chance Rain
- 41
- 65
Chance Rain
- 44
- 72
Partly Sunny
Today 5 May Cascade County below 5000ft
Mostly cloudy. Slight chance of snow in the Morning, then chance of snow and slight chance of rain in the afternoon. Highs in the upper 40s. North Winds 5 to 15 Mph increasing to 15 to 20 Mph in the afternoon. Chance of precipitation 40 percent.
Tonight 5 May Cascade County below 5000ft
Partly cloudy. A 20 percent chance of rain Showers and snow Showers. Highs in the upper 40s. Lows 24 to 33. South Winds up to 20 Mph.
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