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Severe thunderstorms possible from the upper Midwest to the lower Mississippi Valley

Severe thunderstorms with damaging winds, a few tornadoes and some hail are expected across much of Arkansas and southern Missouri Wednesday. Isolated severe thunderstorms with damaging wind are also expected across Illinois during the day and across the lower Mississippi Valley overnight. Heavy rain with localized flooding is also possible in these areas. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

70°F

21°C

Humidity 53%
Wind Speed S 12 mph
Barometer 29.47 in (996.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Apr 2:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Scattered showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 63. South wind around 7 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms

    Low: 63 °F

  • Wednesday

    Wednesday: Occasional showers and thunderstorms, mainly after 1pm.  High near 72. South wind 9 to 11 mph.  Chance of precipitation is 80%.

    Scattered
    T-storms then
    T-storms

    High: 72 °F

  • Wednesday
    Night

    Wednesday Night: Occasional showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Some of the storms could produce heavy rainfall.  Low around 49. East wind 8 to 10 mph becoming west after midnight.  Chance of precipitation is 90%.

    Heavy Rain

    Low: 49 °F

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 65. West wind 6 to 9 mph.

    Slight Chance
    Showers

    High: 65 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm.

    Mostly Cloudy
    then Chance
    Showers

    Low: 52 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Cloudy, with a high near 73. Chance of precipitation is 50%.

    Chance
    Showers

    High: 73 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 58. Chance of precipitation is 80%.

    Chance
    Showers then
    Showers

    Low: 58 °F

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 71. Chance of precipitation is 80%.

    Showers

    High: 71 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 60. Chance of precipitation is 80%.

    Showers

    Low: 60 °F

Detailed Forecast

Overnight
Scattered showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Occasional showers and thunderstorms, mainly after 1pm. High near 72. South wind 9 to 11 mph. Chance of precipitation is 80%.
Wednesday Night
Occasional showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Some of the storms could produce heavy rainfall. Low around 49. East wind 8 to 10 mph becoming west after midnight. Chance of precipitation is 90%.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 65. West wind 6 to 9 mph.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 73. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
3:12 am CDT Apr 26, 2017
3am CDT Apr 26, 2017-6pm CDT May 2, 2017
 
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