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.

Fair

47°F

8°C

Humidity 77%
Wind Speed Calm
Barometer 30.10 in (1019.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 2 May 10:53 pm CDT
Extended Forecast for

3 Miles WSW Fairview Heights IL

  • Tonight

    Tonight: Clear, with a low around 41. Light south wind.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 75. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 75 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 56. South wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind around 10 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 41. Light south wind.
Sunday
Increasing clouds, with a high near 75. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 56. South wind 6 to 9 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind around 10 mph. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 47. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 74.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Fairview Heights IL
 38.59°N 90.06°W (Elev. 423 ft)
Last Update:
9:21 pm CDT May 2, 2026
Forecast Valid:
11pm CDT May 2, 2026-6pm CDT May 9, 2026
 
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