Siloam Springs Weather Forecast

    • 28
    • 49

    Decreasing Clouds

    • 38
    • 47

    Rain Showers Likely

    • 18
    • 45

    Breezy

    • 34
    • 40

    Partly Sunny

    • 25
    • 47

    Partly Sunny

    • 26
    • 38

    Mostly Cloudy

    • 34
    • 45

    Mostly Cloudy

Today 16 Dec Gentry

Sunny. Near steady temperature in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 16 Dec Gentry

Partly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph, becoming northwest.

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Siloam Springs Temperature Statistics

December Temperature

Lamoni, Lamoni Municipal Airport (26.1 miles)

  • Lowest 14 December, 2025

    -4 °F

  • Average December

    22.6 °F

  • Highest 9 December, 2025

    46 °F

Climate (2020–Present)

Lamoni, Lamoni Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63.2 °F
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