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.

Overcast

73°F

23°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.04 in (1016.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 25 Jul 9:51 am CDT
Extended Forecast for

Berkeley MO

Heat Advisory July 26, 11:00am until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers and thunderstorms before noon, then isolated showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 89. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 107. Light south wind.

    High: 94 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 98. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms before noon, then isolated showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 89. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 74. Light and variable wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 107. Light south wind.
Sunday Night
Partly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight.
Monday
Mostly sunny and hot, with a high near 98. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Berkeley MO
 38.76°N 90.34°W (Elev. 541 ft)
Last Update:
10:26 am CDT Jul 25, 2026
Forecast Valid:
10am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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