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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SE Cahokia IL

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 34. East wind around 10 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely

  • Monday

    Monday: Showers or drizzle likely before 10am, then a slight chance of drizzle between 10am and 5pm. Cloudy, with a high near 43. East wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 43 °F

    Showers
    Likely then
    Slight Chance
    Drizzle

  • Monday Night

    Monday Night: Showers likely, then showers and possibly a thunderstorm after 3am. Patchy fog after 9pm. Low around 40. East wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 3pm, then showers likely. Patchy fog before 10am. High near 64. South wind around 7 mph. Chance of precipitation is 90%.

    High: 64 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 54. Southeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 34. East wind around 10 mph. Chance of precipitation is 60%.
Monday
Showers or drizzle likely before 10am, then a slight chance of drizzle between 10am and 5pm. Cloudy, with a high near 43. East wind 7 to 10 mph. Chance of precipitation is 60%.
Monday Night
Showers likely, then showers and possibly a thunderstorm after 3am. Patchy fog after 9pm. Low around 40. East wind 3 to 6 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm before 3pm, then showers likely. Patchy fog before 10am. High near 64. South wind around 7 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 54. Southeast wind around 6 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Thursday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
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:
5:06 am CST Mar 2, 2026
Forecast Valid:
5am CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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