Merna Weather Forecast

    • 46
    • 59

    Increasing Clouds

    • 58
    • 77

    Chance Thunderstorms

    • 57
    • 77

    Mostly Sunny

    • 61
    • 80

    Breezy

    • 48
    • 73

    Chance Rain Showers

    • 46
    • 69

    Slight Chance Rain Showers

Today 20 Apr McLean

Sunny. Highs in the lower 60s. South Winds 5 to 10 Mph.

Tonight 20 Apr McLean

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merna Temperature Statistics

April Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (5 miles)

  • Lowest 7 April, 2026

    30.9 °F

  • Average April

    56.5 °F

  • Highest 13 April, 2026

    82.9 °F

Climate (2021–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.6 °F
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