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

Hazardous Weather Outlook

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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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Ballwin MO

Overnight

Slight Chance
T-storms
Low: 71 °F
Saturday

Chance
T-storms
High: 87 °F
Saturday
Night

Chance
T-storms
Low: 70 °F
Sunday

Chance
T-storms
High: 89 °F
Sunday
Night

Chance
T-storms then
Mostly Clear
Low: 73 °F
Independence
Day

Sunny then
Slight Chance
T-storms
High: 95 °F
Monday
Night

Slight Chance
T-storms then
Mostly Clear
Low: 77 °F
Tuesday

Sunny then
Slight Chance
T-storms
High: 100 °F
Tuesday
Night

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.