Bush Weather Forecast

    • 32
    • 40

    Mostly Sunny

    • 31
    • 53

    Partly Sunny

    • 27
    • 45

    Partly Sunny

    • 42
    • 49

    Mostly Cloudy

    • 52
    • 61

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

Today 19 Dec Williamson

Sunny, cooler with Highs around 40. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest 5 to 10 Mph in the afternoon.

Tonight 19 Dec Williamson

Partly cloudy. Much cooler with Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bush Temperature Statistics

December Temperature

Southern Illinois Airport (7.5 miles)

  • Lowest 14 December, 2025

    8.1 °F

  • Average December

    31 °F

  • Highest 6 December, 2025

    48.9 °F

Climate (2020–Present)

Southern Illinois Airport (7.5 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    68.7 °F
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