Missouri Valley Weather Forecast

    • 69
    • 90

    Chance Thunderstorms

    • 72
    • 87

    Slight Chance Thunderstorms

    • 66
    • 90

    Rain Showers

    • 59
    • 80

    Mostly Sunny

    • 62
    • 80

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 61
    • 82

    Chance Thunderstorms

Today 6 Sep Harrison

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the lower 80s. Southeast Winds around 10 Mph. Chance of rain 50 percent.

Tonight 6 Sep Harrison

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers. Locally heavy rainfall possible early this evening. Lows in the upper 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Missouri Valley Temperature Statistics

September Temperature

Blair Municipal Airport (14.9 miles)

  • Lowest 2 September, 2026

    70.7 °F

  • Average September

    83.4 °F

  • Highest 3 September, 2026

    93.9 °F

Climate (2021–2026)

Blair Municipal Airport (14.9 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    63.2 °F
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