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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

55°F

13°C

Humidity 33%
Wind Speed W 6 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 12 Jan 4:51 pm CST
Extended Forecast for

Hazelwood MO

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 37. West wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature rising to near 41 by 10am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 41 °F⇓

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. North wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday
Increasing clouds, with a high near 61. West wind 9 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 37. West wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a temperature rising to near 41 by 10am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 18. North wind 9 to 16 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hazelwood MO
 38.78°N 90.37°W (Elev. 587 ft)
Last Update:
4:46 pm CST Jan 12, 2026
Forecast Valid:
5pm CST Jan 12, 2026-6pm CST Jan 19, 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