Severe Thunderstorms Likely in Texas Today; Potential Widespread Flooding For South-Central U.S. This Week

Severe thunderstorms are likely today in the southern Plains from northwest Texas and the Texas Panhandle into parts of western Oklahoma. These storms will produce very large hail and a few tornadoes. Also, a potential widespread flood event is appearing more likely across the southern Plains into the Arklatex this week, especially in Texas, from repeated rounds of thunderstorms and heavy rain. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

70°F

21°C

Humidity 68%
Wind Speed SE 13 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 May 5:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Showers.  Low around 63. Southeast wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    Showers

    Low: 63 °F

  • Tuesday

    Tuesday: Showers, mainly before 5pm.  High near 74. Southeast wind 10 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%.

    Showers

    High: 74 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 64. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.

    Chance
    Showers

    Low: 64 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 66. South wind 6 to 11 mph, with gusts as high as 20 mph.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 66 °F

  • Thursday

    Thursday: A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 66.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 66 °F

  • Friday

    Friday: A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 85 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 66.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 66 °F

Detailed Forecast

Tonight
Showers. Low around 63. Southeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday
Showers, mainly before 5pm. High near 74. Southeast wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66. South wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66.
Friday
A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
5:43 pm CDT May 17, 2021
6pm CDT May 17, 2021-6pm CDT May 24, 2021
 
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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