Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and heavy rain in portions of lower-mid Mississippi River Valley and Gulf Coast region on Saturday. Very large hail, locally damaging winds, isolated tornadoes and flash flooding are possible in this area. Some of the flooding could be significant in portions of Louisiana, Mississippi and southeast Arkansas.
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Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain Fog/Mist

15°C

59°F

Humidity 87%
Wind Speed E 7 km/h
Barometer 1012.4 mb (29.91 in)
Dewpoint 13°C (55°F)
Visibility 10 km
Last update 30 Apr 1:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then showers and thunderstorms after 4am.  Low around 13. East wind 18 to 21 km/h, with gusts as high as 32 km/h.  Chance of precipitation is 80%.

    T-storms

    Low: 13 °C

  • Saturday

    Saturday: Showers and thunderstorms, mainly before noon.  High near 23. East wind 14 to 23 km/h becoming south in the afternoon. Winds could gust as high as 34 km/h.  Chance of precipitation is 90%.

    T-storms then
    Chance
    T-storms

    High: 23 °C

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 15. South wind 8 to 11 km/h becoming west after midnight.

    Chance
    T-storms

    Low: 15 °C

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 21. Northwest wind 8 to 16 km/h.

    Chance
    Showers

    High: 21 °C

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 12. North wind 11 to 16 km/h.

    Mostly Cloudy

    Low: 12 °C

  • Monday

    Monday: A 20 percent chance of showers.  Partly sunny, with a high near 18.

    Slight Chance
    Showers

    High: 18 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 12.

    Mostly Cloudy

    Low: 12 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21.

    Mostly Sunny

    High: 21 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 13.

    Partly Cloudy

    Low: 13 °C

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then showers and thunderstorms after 4am. Low around 13. East wind 18 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms, mainly before noon. High near 23. East wind 14 to 23 km/h becoming south in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 90%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 15. South wind 8 to 11 km/h becoming west after midnight.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 21. Northwest wind 8 to 16 km/h.
Sunday Night
Mostly cloudy, with a low around 12. North wind 11 to 16 km/h.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 22.
Wednesday Night
Mostly clear, with a low around 13.
Thursday
Sunny, with a high near 21.
Thursday Night
Mostly clear, with a low around 13.
Friday
Sunny, with a high near 23.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 164 m)
1:14 am CDT Apr 30, 2016
2am CDT Apr 30, 2016-6pm CDT May 6, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database