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

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, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

56°F

13°C

Humidity 47%
Wind Speed E 10 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 8 May 2:54 am CDT
Extended Forecast for

Ballwin MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. East wind around 7 mph.

    Mostly Cloudy

    Low: 49 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 60. Southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Showers
    Likely then
    Chance
    T-storms

    High: 60 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers, then showers and thunderstorms after midnight. Steady temperature around 58. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Slight Chance
    Showers then
    T-storms

    Low: 58 °F

  • Sunday

    Sunday: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 69. South wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    T-storms then
    Showers

    High: 69 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 43. North wind 7 to 14 mph.

    Mostly Cloudy

    Low: 43 °F

  • Monday

    Monday: Partly sunny, with a high near 61.

    Partly Sunny

    High: 61 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 44.

    Mostly Cloudy

    Low: 44 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    Mostly Sunny

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 47.

    Mostly Cloudy
    then Chance
    Showers

    Low: 47 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. East wind around 7 mph.
Saturday
Showers likely and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 60. Southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers, then showers and thunderstorms after midnight. Steady temperature around 58. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Sunday
Showers and thunderstorms before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 69. South wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 43. North wind 7 to 14 mph.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 47.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
A 20 percent chance of showers. Sunny, with a high near 73.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Ballwin MO
 38.58°N 90.55°W (Elev. 584 ft)
Last Update:
2:12 am CDT May 8, 2021
Forecast Valid:
3am CDT May 8, 2021-6pm CDT May 14, 2021
 
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