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

70°F

21°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 23 Sep 8:53 am CDT
Extended Forecast for

Fairview Heights IL

  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 79. Calm wind becoming south 5 to 8 mph. Chance of precipitation is 80%.

    High: 79 °F

    Cloudy then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Patchy fog after 1am. Low around 66. Southeast wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 80%.

    Low: 66 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. North wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 77. Northwest wind 6 to 10 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 79. Calm wind becoming south 5 to 8 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm. Patchy fog after 1am. Low around 66. Southeast wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 80%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. North wind 7 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77. Northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 84.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 84.
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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:
8:26 am CDT Sep 23, 2025
Forecast Valid:
9am CDT Sep 23, 2025-6pm CDT Sep 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