Early - Merkel Field Weather Forecast

    • 9
    • 47

    Rain Showers

    • 18
    • 25

    Partly Sunny

    • 10
    • 39

    Partly Sunny

    • 14
    • 24

    Partly Sunny

    • 30
    • 37

    Mostly Cloudy

    • 26
    • 42

    Mostly Cloudy

Today 18 Dec Winnebago

Areas of fog early in the morning. Areas of drizzle in the morning. Rain Showers. A slight chance of snow Showers in the afternoon. Breezy. Highs in the upper 40s. Temperature falling into the mid 30s in the afternoon. South Winds 15 to 20 Mph, becoming west in the afternoon. Gusts up to 30 Mph. Chance of precipitation near 100 percent.

Tonight 18 Dec Winnebago

Mostly cloudy. A chance of snow Showers. Little or no snow accumulation. Windy with Lows around 9 above. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 50 percent. Wind chill Values as low as 10 below.

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Early - Merkel Field Temperature Statistics

December Temperature

Rockford, Greater Rockford Airport (13.7 miles)

  • Lowest 14 December, 2025

    -6 °F

  • Average December

    18.4 °F

  • Highest 9 December, 2025

    39.9 °F

Climate (2020–Present)

Rockford, Greater Rockford Airport (13.7 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.5 °F
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