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

53°F

12°C

Humidity 61%
Wind Speed NW 17 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Apr 11:53 am CDT
Extended Forecast for

2 Miles SE Cahokia IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 57. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 57 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 57. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 40. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. West wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 41. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 68. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 84.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Cahokia IL
 38.53°N 90.15°W (Elev. 499 ft)
Last Update:
11:56 am CDT Apr 18, 2026
Forecast Valid:
11am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation