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.

Fair

28°C

82°F

Humidity 56%
Wind Speed Calm
Barometer 1011.7 mb (29.92 in)
Dewpoint 18°C (65°F)
Visibility 16 km
Heat Index29°C (84°F)
Last update 23 Jun 10:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Clear, with a low around 22. Calm wind.

    Low: 22 °C

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 36. South wind 5 to 11 km/h.

    High: 36 °C

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. South wind 11 to 13 km/h.

    Low: 26 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 37. Heat index values as high as 41. Southwest wind 10 to 14 km/h.

    High: 37 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 23. Southwest wind around 11 km/h. Chance of precipitation is 60%.

    Low: 23 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 31.

    High: 31 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19.

    Low: 19 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 31.

    High: 31 °C

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °C

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 22. Calm wind.
Monday
Sunny and hot, with a high near 36. South wind 5 to 11 km/h.
Monday Night
Mostly clear, with a low around 26. South wind 11 to 13 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 37. Heat index values as high as 41. Southwest wind 10 to 14 km/h.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 23. Southwest wind around 11 km/h. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 31.
Wednesday Night
Mostly clear, with a low around 19.
Thursday
Sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny and hot, with a high near 36.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 25.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 m)
Last Update:
10:06 pm CDT Jun 23, 2024
Forecast Valid:
11pm CDT Jun 23, 2024-6pm CDT Jun 30, 2024
 
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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