Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

83°F

28°C

Humidity 61%
Wind Speed S 7 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Jun 6:53 pm CDT
Extended Forecast for

Herculaneum MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 70. South wind 5 to 9 mph becoming calm  after midnight.

    Low: 70 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 94. Light southeast wind.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 70. South wind 5 to 9 mph becoming calm after midnight.
Juneteenth
Mostly sunny, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 69. Light south wind.
Thursday
Mostly sunny, with a high near 94. Light southeast wind.
Thursday Night
Partly cloudy, with a low around 70. Calm wind.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny and hot, with a high near 98.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Herculaneum MO
 38.27°N 90.39°W (Elev. 456 ft)
5:37 pm CDT Jun 18, 2024
7pm CDT Jun 18, 2024-6pm CDT Jun 25, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database