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.

Mostly Cloudy

87°F

31°C

Humidity 23%
Wind Speed NW 10 G 17 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Mar 4:51 pm CDT
Extended Forecast for

Hazelwood MO

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming light and variable after midnight.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 65. South wind 6 to 9 mph.

    Low: 65 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. North wind 13 to 18 mph, with gusts as high as 29 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Clear, with a low around 65. South wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 87. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 41. North wind 13 to 18 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 45.
Wednesday
Mostly cloudy, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of rain. Sunny, with a high near 80.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 42.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hazelwood MO
 38.78°N 90.37°W (Elev. 587 ft)
Last Update:
1:56 pm CDT Mar 20, 2026
Forecast Valid:
5pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation