Collinsville Weather Forecast

    • 34
    • 48

    Mostly Cloudy

    • 42
    • 46

    Rain Showers

    • 57
    • 64

    Rain Showers

    • 53
    • 68

    Rain Showers Likely

    • 58
    • 69

    Chance Thunderstorms

    • 54
    • 74

    Rain Showers Likely

Today 1 Mar Madison

Partly sunny this Morning, then becoming mostly cloudy. Much cooler with Highs in the upper 40s. Northeast Winds 10 to 15 Mph.

Tonight 1 Mar Madison

Rain and snow. Total snow accumulation around an inch. Lows in the lower 30s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation near 100 percent.

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Collinsville Temperature Statistics

March Temperature

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

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  • Average March

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Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    67.8 °F
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