Lewistown Municipal Airport Weather Forecast

    • 24
    • 38

    Chance Rain/Snow

    • 25
    • 43

    Slight Chance Snow

    • 37
    • 52

    Mostly Cloudy

    • 33
    • 59

    Chance Rain/Snow

    • 22
    • 47

    Chance Rain/Snow

Today 5 Mar Fergus County below 4500ft

Colder, cloudy. Chance of rain in the morning. Snow likely through the day. Rain likely in the afternoon. Snow accumulation up to 2 Inches. Snow level 3600 feet. Highs in the lower 40s. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph. Chance of precipitation 70 percent.

Tonight 5 Mar Fergus County below 4500ft

Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Northwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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Lewistown Municipal Airport Temperature Statistics

March Temperature

Lewistown, Lewistown Municipal Airport (0 miles)

  • Lowest 1 March, 2026

    15.1 °F

  • Average March

    39.6 °F

  • Highest 3 March, 2026

    57.9 °F

Climate (2021–Present)

Lewistown, Lewistown Municipal Airport (0 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    57 °F
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