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.

Fair

80°F

27°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 30.13 in (1018.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Jun 5:51 am CDT
Extended Forecast for

2 Miles SW Brooklyn IL

Extreme Heat Warning June 23, 06:11am until June 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 06:11am until June 24, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • Today

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind 3 to 8 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 75. South wind 3 to 8 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Brooklyn IL
 38.62°N 90.2°W (Elev. 446 ft)
Last Update:
5:21 am CDT Jun 23, 2025
Forecast Valid:
6am CDT Jun 23, 2025-6pm CDT Jun 29, 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