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

75°F

24°C

Humidity 43%
Wind Speed SW 8 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 12 May 10:53 am CDT
Extended Forecast for

Fairview Heights IL

  • Today

    Today: Sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 58. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 74. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. North wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms between 11pm and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 58. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 74. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 50. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 88.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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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:
11:26 am CDT May 12, 2026
Forecast Valid:
11am CDT May 12, 2026-6pm CDT May 18, 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