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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

21°C

70°F

Humidity 73%
Wind Speed S 26 G 35 km/h
Barometer 1011.5 mb (29.90 in)
Dewpoint 16°C (61°F)
Visibility 16 km
Last update 28 Apr 5:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 26. South wind 21 to 29 km/h, with gusts as high as 48 km/h. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 26 °C

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 17. South wind 18 to 24 km/h, with gusts as high as 35 km/h. Chance of precipitation is 90%.

    Showers

    Low: 17 °C

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 24. South wind 16 to 18 km/h.

    Chance
    T-storms

    High: 24 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind 5 to 11 km/h.

    Mostly Clear

    Low: 13 °C

  • Tuesday

    Tuesday: Sunny, with a high near 27. Light southeast wind becoming south 11 to 16 km/h in the morning.

    Sunny

    High: 27 °C

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 17.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 17 °C

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 31 °C

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 19.

    Slight Chance
    T-storms then
    Chance
    Showers

    Low: 19 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 28. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 28 °C

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 26. South wind 21 to 29 km/h, with gusts as high as 48 km/h. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 17. South wind 18 to 24 km/h, with gusts as high as 35 km/h. Chance of precipitation is 90%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 24. South wind 16 to 18 km/h.
Monday Night
Mostly clear, with a low around 13. Northwest wind 5 to 11 km/h.
Tuesday
Sunny, with a high near 27. Light southeast wind becoming south 11 to 16 km/h in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 17.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 19.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 28. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 18. Chance of precipitation is 70%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 24. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 12.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 23.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 164 m)
Last Update:
3:23 am CDT Apr 28, 2024
Forecast Valid:
6am CDT Apr 28, 2024-6pm CDT May 4, 2024
 
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