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.

Fog/Mist

39°F

4°C

Humidity 96%
Wind Speed Calm
Barometer 30.30 in (1026.3 mb)
Dewpoint 38°F (3°C)
Visibility 6.00 mi
Last update 3 Nov 10:53 pm CST
Extended Forecast for

Fairview Heights IL

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 71. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 71 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. Southwest wind 7 to 10 mph becoming north in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41. North wind around 6 mph becoming light and variable.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Light and variable wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 71. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 71. Southwest wind 7 to 10 mph becoming north in the afternoon.
Wednesday Night
Clear, with a low around 41. North wind around 6 mph becoming light and variable.
Thursday
Sunny, with a high near 66.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 55.
Friday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairview Heights IL
 38.59°N 89.98°W (Elev. 561 ft)
Last Update:
10:36 pm CST Nov 3, 2025
Forecast Valid:
11pm CST Nov 3, 2025-6pm CST Nov 10, 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