Williams Field Weather Forecast

    • 43
    • 68

    Increasing Clouds

    • 44
    • 74

    Partly Sunny

    • 47
    • 78

    Partly Sunny

    • 33
    • 67

    Rain/Snow

    • 27
    • 45

    Chance Snow

    • 25
    • 44

    Slight Chance Snow

Today 19 Apr Southern High Plains

Sunny. Highs in the mid 60s. Southwest Winds up to 10 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 19 Apr Southern High Plains

Not as cool. Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. Southwest Winds up to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williams Field Temperature Statistics

April Temperature

Great Falls, Great Falls International Airport (46.6 miles)

  • Lowest 17 April, 2026

    19 °F

  • Average April

    42.5 °F

  • Highest 11 April, 2026

    71.7 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (46.6 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    59.1 °F
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