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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

46°F

8°C

Humidity 93%
Wind Speed W 5 mph
Barometer 30.15 in (1021.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 22 Nov 9:53 pm CST
Extended Forecast for

3 Miles WSW Fairview Heights IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. West wind 3 to 6 mph.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 59. West wind around 5 mph becoming calm in the morning.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Southeast wind 3 to 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57. Southeast wind 6 to 10 mph.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly before midnight. Low around 50. Southeast wind 5 to 9 mph. Chance of precipitation is 90%.

    Low: 50 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. West wind 3 to 6 mph.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 59. West wind around 5 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 44. Southeast wind 3 to 6 mph.
Monday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57. Southeast wind 6 to 10 mph.
Monday Night
Rain, mainly before midnight. Low around 50. Southeast wind 5 to 9 mph. Chance of precipitation is 90%.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 29.
Thanksgiving Day
Sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 47.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 30.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Fairview Heights IL
 38.59°N 90.06°W (Elev. 423 ft)
Last Update:
8:36 pm CST Nov 22, 2025
Forecast Valid:
10pm CST Nov 22, 2025-6pm CST Nov 29, 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