National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

92°F

33°C

Humidity 46%
Wind Speed S 14 G 21 mph
Barometer 29.91 in (1011.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 20 Jun 5:51 pm CDT
Extended Forecast for

2 Miles SW Brooklyn IL

Extreme Heat Warning June 21, 12:00pm until June 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Clear, with a low around 77. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 7 to 10 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 6 to 9 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

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

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 77. South wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 76. South wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 77. South wind 6 to 9 mph.
Monday
Sunny and hot, with a high near 98.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Brooklyn IL
 38.64°N 90.2°W (Elev. 499 ft)
Last Update:
6:37 pm CDT Jun 20, 2025
Forecast Valid:
6pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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