Lewistown Municipal Airport Weather Forecast

    • 42
    • 77

    Rain Showers Likely

    • 35
    • 56

    Rain Showers

    • 45
    • 70

    Partly Sunny

    • 40
    • 67

    Rain Showers Likely

    • 39
    • 58

    Chance Rain

    • 39
    • 58

    Rain Showers Likely

    • 39
    • 59

    Rain Showers Likely

Today 6 Jun Fergus County below 4500ft

Mostly cloudy. Slight chance of rain early in the Afternoon, then chance of Showers and slight chance of Thunderstorms late in the afternoon. Highs in the upper 70s. East Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 6 Jun Fergus County below 4500ft

Chance of Thunderstorms in the Evening, then rain Showers likely and slight chance of Thunderstorms after midnight. Lows 45 to 51. Northwest Winds 5 to 15 Mph with Gusts to around 35 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewistown Municipal Airport Temperature Statistics

June Temperature

Lewistown, Lewistown Municipal Airport (0 miles)

  • Lowest 1 June, 2026

    37.7 °F

  • Average June

    44.7 °F

  • Highest 1 June, 2026

    51.7 °F

Climate (2021–Present)

Lewistown, Lewistown Municipal Airport (0 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    57.1 °F
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