Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

14°F

-10°C

Humidity 71%
Wind Speed Calm
Barometer 30.24 in (1024.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 4 Dec 10:53 pm CST
Extended Forecast for

Fairview Heights IL

  • Tonight

    Tonight: Clear, with a low around 9. Light and variable wind.

    Low: 9 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 38. South wind 3 to 7 mph.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 27. South wind 5 to 7 mph becoming west after midnight.

    Low: 27 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 37. Light and variable wind becoming northeast around 5 mph in the afternoon.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 29. East wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow, mainly before noon.  Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 9. Light and variable wind.
Friday
Sunny, with a high near 38. South wind 3 to 7 mph.
Friday Night
Increasing clouds, with a low around 27. South wind 5 to 7 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 37. Light and variable wind becoming northeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 29. East wind around 6 mph.
Sunday
A chance of rain and snow, mainly before noon. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairview Heights IL
 38.59°N 90.01°W (Elev. 548 ft)
8:26 pm CST Dec 4, 2025
11pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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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