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 79%
Wind Speed S 10 mph
Barometer 29.96 in (1013.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 5:51 am CDT
Extended Forecast for

2 Miles E Pine Lawn MO

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

  • Today

    Today: Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. South wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 7 to 11 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South wind 6 to 9 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Southwest wind 5 to 7 mph.

    High: 97 °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 and thunderstorms. Mostly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms

  • Tuesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 78. South wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 78. South wind 6 to 9 mph.
Monday
Sunny and hot, with a high near 97. Southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 96.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
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 E Pine Lawn MO
 38.69°N 90.23°W (Elev. 466 ft)
Last Update:
5:37 am CDT Jun 21, 2025
Forecast Valid:
6am CDT Jun 21, 2025-6pm CDT Jun 27, 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