National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

71°F

22°C

Humidity 96%
Wind Speed NE 3 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 14 Jun 1:53 am CDT
Extended Forecast for

East St. Louis IL

  • Overnight

    Overnight: Isolated showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly between 1pm and 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. North wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. North wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Light northeast wind.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 70. Light and variable wind.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Saturday
Scattered showers and thunderstorms, mainly between 1pm and 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. North wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 68. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 87. Light northeast wind.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 70. Light and variable wind.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Juneteenth
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East St. Louis IL
 38.62°N 90.15°W (Elev. 407 ft)
Last Update:
1:52 am CDT Jun 14, 2025
Forecast Valid:
2am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation