Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed S 5 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 14 Oct 7:53 am CDT
Extended Forecast for

East St. Louis IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 80. Light and variable wind becoming northwest around 6 mph in the morning.  Chance of precipitation is 90%.

    High: 80 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 68. North wind around 6 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Patchy fog between 9am and 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. East wind 6 to 9 mph becoming southwest in the afternoon.  Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 51. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 61. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 90%.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 68. North wind around 6 mph becoming light and variable. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog between 9am and 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. East wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 51. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 61. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
East St. Louis IL
 38.62°N 90.12°W (Elev. 413 ft)
5:06 am CDT Oct 14, 2026
8am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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