Missouri Valley Weather Forecast

    • 56
    • 64

    Rain Showers Likely

    • 51
    • 59

    Rain Showers Likely

    • 46
    • 61

    Partly Sunny

    • 51
    • 63

    Mostly Cloudy

    • 55
    • 65

    Slight Chance Rain Showers

    • 58
    • 68

    Mostly Cloudy

Today 20 Sep Harrison

Cloudy. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Cooler. Near steady temperature in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 20 Sep Harrison

Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Near steady temperature in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Missouri Valley Temperature Statistics

September Temperature

Blair Municipal Airport (14.9 miles)

  • Lowest 13 September, 2026

    56.3 °F

  • Average September

    74.1 °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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