Severe Thunderstorms in the Mid-Atlantic, Northeast, and Northern Plains; Flash Flooding Possible in Central Plains

Isolated to scattered severe thunderstorms are expected Saturday across parts of the Northeast and Mid-Atlantic, as well as across parts of the northern Plains. Excessive rainfall over a portion of the central Plains may bring flooding Saturday and Sunday. Critical fire weather conditions will exist over the Great Basin and central and southwest Alaska Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

73°F

23°C

Humidity 81%
Wind Speed NE 6 mph
Barometer 29.97 in (1013.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Jul 3:54 am CDT
Extended Forecast for

Ballwin MO

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. Northeast wind around 7 mph.

    Slight Chance
    T-storms

    Low: 71 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 9am.  Mostly cloudy, with a high near 87. East wind 5 to 7 mph.

    Chance
    T-storms

    High: 87 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 70. East wind 3 to 5 mph.

    Chance
    T-storms

    Low: 70 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Southeast wind 3 to 6 mph.

    Chance
    T-storms

    High: 89 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 73. Southeast wind around 6 mph becoming calm  in the evening.

    Chance
    T-storms then
    Mostly Clear

    Low: 73 °F

  • Independence
    Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 95.

    Sunny then
    Slight Chance
    T-storms

    High: 95 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 77.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 77 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 100.

    Sunny then
    Slight Chance
    T-storms

    High: 100 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.  Mostly clear, with a low around 78. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 78 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northeast wind around 7 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 87. East wind 5 to 7 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. East wind 3 to 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southeast wind 3 to 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Southeast wind around 6 mph becoming calm in the evening.
Independence Day
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 78. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 100.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Ballwin MO
 38.58°N 90.55°W (Elev. 584 ft)
3:11 am CDT Jul 2, 2022
4am CDT Jul 2, 2022-6pm CDT Jul 8, 2022
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database