Piasa Weather Forecast

    • 65
    • 85

    Decreasing Clouds

    • 69
    • 86

    Chance Thunderstorms

    • 68
    • 90

    Slight Chance Thunderstorms

    • 68
    • 87

    Rain Showers Likely

    • 68
    • 85

    Rain Showers

    • 69
    • 89

    Chance Thunderstorms

    • 71
    • 92

    Slight Chance Thunderstorms

Today 4 Jun Macoupin

Partly sunny. Near steady temperature in the mid 80s. South Winds around 10 Mph.

Tonight 4 Jun Macoupin

Partly cloudy. Lows in the mid 60s. South Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Piasa Temperature Statistics

June Temperature

St. Louis Regional Airport (16.2 miles)

  • Lowest 2 June, 2026

    61 °F

  • Average June

    70.2 °F

  • Highest 1 June, 2026

    84.2 °F

Climate (2021–Present)

St. Louis Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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