Central U.S. Severe Storms and Heavy Rain; Western Fire Weather Threats

A strong system will produce a swath of impacts. Severe storms with large hail, damaging winds, and a couple of tornadoes will be possible in the south and central Plains. Heavy rain could cause flash flooding in the Mid Mississippi Valley. Mountain snow will develop in the Rockies. Critical fire weather threats are expected across northern California and the Southwest. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

16°C

60°F

Humidity 36%
Wind Speed NE 9 km/h
Barometer 1016.9 mb (30.05 in)
Dewpoint 1°C (33°F)
Visibility 16 km
Last update 7 May 11:51 pm CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 10. East wind 8 to 14 km/h.

    Mostly Cloudy

    Low: 10 °C

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Cloudy, with a high near 16. Southeast wind 14 to 23 km/h, with gusts as high as 40 km/h.  Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 16 °C

  • Saturday
    Night

    Saturday Night: A slight chance of showers, then showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall.  Low around 12. Southeast wind 21 to 24 km/h, with gusts as high as 39 km/h.  Chance of precipitation is 90%.

    Slight Chance
    Showers then
    Heavy Rain

    Low: 12 °C

  • Sunday

    Sunday: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm, mainly after 7am. Some of the storms could produce heavy rainfall.  High near 21. South wind 19 to 24 km/h becoming west 13 to 18 km/h. Winds could gust as high as 39 km/h.  Chance of precipitation is 90%.

    Heavy Rain
    then Showers

    High: 21 °C

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Mostly cloudy, with a low around 7. North wind 13 to 23 km/h.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 7 °C

  • Monday

    Monday: Mostly sunny, with a high near 17.

    Mostly Sunny

    High: 17 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 7.

    Mostly Cloudy

    Low: 7 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 18.

    Mostly Sunny

    High: 18 °C

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 9.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 9 °C

Detailed Forecast

Overnight
Mostly cloudy, with a low around 10. East wind 8 to 14 km/h.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 16. Southeast wind 14 to 23 km/h, with gusts as high as 40 km/h. Chance of precipitation is 50%.
Saturday Night
A slight chance of showers, then showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 12. Southeast wind 21 to 24 km/h, with gusts as high as 39 km/h. Chance of precipitation is 90%.
Sunday
Showers and thunderstorms before 7am, then showers and possibly a thunderstorm, mainly after 7am. Some of the storms could produce heavy rainfall. High near 21. South wind 19 to 24 km/h becoming west 13 to 18 km/h. Winds could gust as high as 39 km/h. Chance of precipitation is 90%.
Sunday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 7. North wind 13 to 23 km/h. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 17.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 9.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 18.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 9.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 19.
Thursday Night
Mostly clear, with a low around 9.
Friday
A 20 percent chance of showers. Sunny, with a high near 23.
Click Map For Forecast
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 168 m)
11:11 pm CDT May 7, 2021
12am CDT May 8, 2021-6pm CDT May 13, 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