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

72°F

22°C

Humidity 91%
Wind Speed Calm
Barometer 29.81 in (1009.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Jun 2:53 am CDT
Extended Forecast for

Fairview Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 72. Calm wind becoming southeast around 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 87. Southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 68. Southwest wind 7 to 10 mph.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. Northwest wind around 8 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Calm wind becoming southeast around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 87. Southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 68. Southwest wind 7 to 10 mph.
Juneteenth
Sunny, with a high near 85. Northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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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:
2:52 am CDT Jun 18, 2025
Forecast Valid:
3am CDT Jun 18, 2025-6pm CDT Jun 24, 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