Great Falls Weather Forecast
- 35
- 58
Chance Rain Showers
- 29
- 54
Slight Chance Rain/Snow
- 46
- 70
Partly Sunny
- 45
- 67
Rain Showers Likely
- 46
- 74
Slight Chance Rain
- 43
- 68
Chance Rain
Today 4 May Cascade County below 5000ft
Cooler. Mostly cloudy. Chance of rain Showers in the Morning, then slight chance of rain Showers in the afternoon. Highs in the mid 50s. North Winds 5 to 15 Mph. Chance of Showers 50 percent.
Tonight 4 May Cascade County below 5000ft
Mostly cloudy. Lows in the mid 30s. Northeast Winds up to 15 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