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

Heat Continues in the Northeast; Fire Weather Threat Persists in the West

Above normal temperatures are expected to continue into midweek for portions of the Northeast, including the I-95 corridor from New York to southern Maine. Critical fire weather conditions are expected in the interior Pacific Northwest, with additional Red Flag Warnings in effect for the Great Basin and Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

22°C

71°F

Humidity 87%
Wind Speed Calm
Barometer 1013.6 mb (29.97 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 11 Aug 4:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 30. Southwest wind 5 to 8 km/h becoming northeast in the afternoon.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    High: 30 °C

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    Low: 22 °C

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 31. East wind 5 to 10 km/h.

    Chance
    T-storms

    High: 31 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 22. Calm wind.

    Partly Cloudy

    Low: 22 °C

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind.

    Chance
    T-storms

    High: 32 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 22.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 22 °C

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.

    Chance
    T-storms

    High: 31 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 22.

    Mostly Clear

    Low: 22 °C

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.

    Chance
    T-storms

    High: 32 °C

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 30. Southwest wind 5 to 8 km/h becoming northeast in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 31. East wind 5 to 10 km/h.
Wednesday Night
Partly cloudy, with a low around 22. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 22.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Friday Night
Mostly clear, with a low around 22.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 22.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 28.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 164 m)
Last Update:
5:29 am CDT Aug 11, 2020
Forecast Valid:
5am CDT Aug 11, 2020-6pm CDT Aug 17, 2020
 
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