Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

60°F

16°C

Humidity 100%
Wind Speed NA
Barometer 30.14 in (1020.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 29 Sep 11:53 pm CDT
Extended Forecast for

2 Miles ENE Herculaneum MO

  • Overnight

    Overnight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Light east wind.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 87. Light east wind.
Wednesday Night
Mostly cloudy, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Herculaneum MO
 38.27°N 90.36°W (Elev. 377 ft)
12:06 am CDT Sep 30, 2025
12am CDT Sep 30, 2025-6pm CDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database