Scattered Severe Storms Possible in Central U.S.; Flood Watch in the Sierra Nevada

Scattered severe thunderstorms capable of gusty winds, hail, and flash flooding will be possible across the Plains through Tuesday. Elsewhere, a flash flood watch is in effect for the Sierra Nevada, where thunderstorms with frequent lightning may also occur. Heavy rain in parts of southern Texas may produce localized flooding, while areas of rain will also linger in the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

29°C

85°F

Humidity 25%
Wind Speed E 13 km/h
Barometer 1012.8 mb (29.94 in)
Dewpoint 7°C (45°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 29 May 5:51 pm CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Tonight

    Tonight: Mostly clear, with a low around 18. Northeast wind 5 to 10 km/h becoming calm  after midnight.

    Mostly Clear

    Low: 18 °C

  • Tuesday

    Tuesday: Sunny, with a high near 32. Calm wind becoming east 5 to 10 km/h in the afternoon.

    Sunny

    High: 32 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 21. South wind 5 to 10 km/h.

    Partly Cloudy

    Low: 21 °C

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 33. South wind 5 to 13 km/h.

    Sunny then
    Slight Chance
    T-storms

    High: 33 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 21. Southeast wind 10 to 14 km/h.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 21 °C

  • Thursday

    Thursday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 32. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 32 °C

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 21.

    Chance
    T-storms

    Low: 21 °C

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 33.

    Chance
    Showers then
    Chance
    T-storms

    High: 33 °C

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 21.

    Chance
    T-storms then
    Mostly Clear

    Low: 21 °C

Detailed Forecast

Tonight
Mostly clear, with a low around 18. Northeast wind 5 to 10 km/h becoming calm after midnight.
Tuesday
Sunny, with a high near 32. Calm wind becoming east 5 to 10 km/h in the afternoon.
Tuesday Night
Partly cloudy, with a low around 21. South wind 5 to 10 km/h.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 33. South wind 5 to 13 km/h.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 21. Southeast wind 10 to 14 km/h.
Thursday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 21.
Friday
A 40 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 33.
Friday Night
A 40 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 21.
Saturday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 34. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 21.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Click Map For Forecast
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 168 m)
3:53 pm CDT May 29, 2023
6pm CDT May 29, 2023-6pm CDT Jun 5, 2023
 
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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