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.

A Few Clouds

84°F

29°C

Humidity 77%
Wind Speed NW 10 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 28 Jul 7:53 am CDT
Extended Forecast for

2 Miles E Fairview Heights IL

Extreme Heat Warning July 28, 08:50am until July 28, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 28, 08:50am until July 28, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Today

    High: 91 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 68. Northeast wind 5 to 7 mph.

    Low: 68 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 87. Northeast wind 3 to 8 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 91. Heat index values as high as 102. North wind 8 to 11 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 68. Northeast wind 5 to 7 mph.
Wednesday
Sunny, with a high near 87. Northeast wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Fairview Heights IL
 38.61°N 89.98°W (Elev. 561 ft)
Last Update:
8:26 am CDT Jul 28, 2026
Forecast Valid:
8am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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