Dawson Lake Weather Forecast

    • 29
    • 49

    Mostly Sunny

    • 39
    • 45

    Rain

    • 27
    • 45

    Rain

    • 36
    • 42

    Mostly Cloudy

    • 35
    • 55

    Mostly Cloudy

    • 24
    • 46

    Mostly Cloudy

    • 28
    • 39

    Mostly Cloudy

Today 29 Jan McLean

Sunny. Highs in the upper 40s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan McLean

Mostly clear. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Dawson Lake Temperature Statistics

January Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (11.2 miles)

  • Lowest 21 January, 2025

    -8 °F

  • Average January

    20.3 °F

  • Highest 17 January, 2025

    46 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (11.2 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.7 °F
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