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

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.01 in (1015.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 14 Aug 9:53 pm CDT
Extended Forecast for

4 Miles ENE Freeburg IL

Heat Advisory August 15, 12:00pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 70. Light and variable wind becoming east around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Heat index values as high as 102. South wind around 5 mph becoming calm in the morning.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Light southeast wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 107. Light south wind.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Sunday Night

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

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Light and variable wind becoming east around 5 mph.
Friday
Sunny, with a high near 93. Heat index values as high as 102. South wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 73. Light southeast wind.
Saturday
Sunny, with a high near 96. Heat index values as high as 107. Light south wind.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Freeburg IL
 38.43°N 89.84°W (Elev. 400 ft)
Last Update:
8:01 pm CDT Aug 14, 2025
Forecast Valid:
10pm CDT Aug 14, 2025-6pm CDT Aug 21, 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