Green Valley State Park Weather Forecast

    • 12
    • 40

    Breezy

    • -6
    • 29

    Mostly Cloudy

    • -7
    • 2

    Cold

    • -2
    • 8

    Slight Chance Snow

    • -2
    • 14

    Partly Sunny

    • 10
    • 24

    Mostly Sunny

Today 21 Jan Union

Sunny. A chance of Flurries in the afternoon. Breezy with Highs around 40. West Winds 15 to 25 Mph. Gusts up to 40 Mph in the afternoon.

Tonight 21 Jan Union

Mostly clear in the Evening, then becoming partly cloudy. Lows around 13. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.

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Green Valley State Park Temperature Statistics

January Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 17 January, 2026

    1.4 °F

  • Average January

    29.8 °F

  • Highest 7 January, 2026

    62.6 °F

Climate (2021–Present)

Creston Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.7 °F
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