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.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads