Grundy Center Municipal Airport Weather Forecast

    • 13
    • 19

    Snow

    • 7
    • 30

    Chance Snow Showers

    • -14
    • 18

    Partly Sunny

    • -14
    • -7

    Cold

    • -9
    • 0

    Cold

    • -3
    • 12

    Partly Sunny

Today 20 Jan Grundy

Mostly sunny late this Morning, then mostly cloudy with a chance of snow this afternoon. Little or no snow accumulation. Highs around 19. South Winds 5 to 10 Mph. Chance of snow 50 percent.

Tonight 20 Jan Grundy

Snow. Snow accumulation of 1 to 3 Inches. Not as cool with Lows around 13. Southeast Winds around 5 Mph, becoming west after midnight. Chance of snow 90 percent.

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Grundy Center Municipal Airport Temperature Statistics

January Temperature

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

  • Lowest 17 January, 2026

    0 °F

  • Average January

    27 °F

  • Highest 7 January, 2026

    51.1 °F

Climate (2021–Present)

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    61 °F
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