Towanda Weather Forecast

    • 64
    • 76

    Chance Thunderstorms

    • 51
    • 81

    Rain Showers

    • 42
    • 66

    Partly Sunny

    • 49
    • 69

    Mostly Cloudy

    • 54
    • 69

    Rain Showers Likely

    • 57
    • 77

    Chance Rain Showers

    • 60
    • 81

    Slight Chance Thunderstorms

Today 18 May McLean

Showers likely with a chance of Thunderstorms. Near steady temperature in the mid 70s. South Winds around 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 18 May McLean

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Towanda Temperature Statistics

May Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (5.6 miles)

  • Lowest 2 May, 2026

    37.9 °F

  • Average May

    57.1 °F

  • Highest 12 May, 2026

    81 °F

Climate (2021–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (5.6 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.6 °F
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