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

72°F

22°C

Humidity 61%
Wind Speed E 5 mph
Barometer 30.21 in (1022.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 30 Oct 5:53 pm CDT
Extended Forecast for

Fairview Heights IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. East wind 5 to 7 mph.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of sprinkles after noon. Cloudy, with a high near 73. East wind 5 to 7 mph.

    High: 73 °F

    Chance
    Sprinkles

  • Saturday Night

    Saturday Night: A chance of sprinkles between midnight and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 66. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Cloudy, with a low around 57. Southeast wind 7 to 9 mph.

    Low: 57 °F

    Cloudy

  • Monday

    Monday: A 30 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. Breezy.

    Low: 62 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers. High near 72. Breezy. Chance of precipitation is 80%.

    High: 72 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. East wind 5 to 7 mph.
Saturday
A chance of sprinkles after noon. Cloudy, with a high near 73. East wind 5 to 7 mph.
Saturday Night
A chance of sprinkles between midnight and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 30%.
Sunday
Showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 66. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.
Sunday Night
Cloudy, with a low around 57. Southeast wind 7 to 9 mph.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. Breezy.
Tuesday
Showers. High near 72. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 68.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairview Heights IL
 38.59°N 90.01°W (Elev. 548 ft)
Last Update:
5:46 pm CDT Oct 30, 2026
Forecast Valid:
6pm CDT Oct 30, 2026-6pm CST Nov 6, 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