Lewis And Clark Weather Forecast

    • 42
    • 57

    Rain

    • 41
    • 62

    Rain Likely

    • 42
    • 68

    Chance Rain

    • 46
    • 77

    Mostly Cloudy

    • 44
    • 73

    Chance Rain Showers

    • 47
    • 80

    Partly Sunny

Today 31 May Missoula/Bitterroot Valleys

Rain likely. Chance of rain near 100 percent. Highs in the mid to upper 50s.

Tonight 31 May Missoula/Bitterroot Valleys

Rain likely in the Evening, then a chance of rain after midnight. Patchy fog after midnight. Chance of rain 70 percent. Lows near 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis And Clark Temperature Statistics

May Temperature

Missoula, Missoula International Airport (6.2 miles)

  • Lowest 18 May, 2026

    26.7 °F

  • Average May

    55.3 °F

  • Highest 25 May, 2026

    85.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (6.2 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.9 °F
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