Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

83°F

28°C

Humidity	51%
Wind Speed	S 3 mph
Barometer	30.04 in (1016.3 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	8 Sep 8:54 pm CDT

More Information:

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

Extended Forecast for

Valley Park MO

Tonight
Low: 75 °F
Clear
Wednesday
High: 96 °F
Slight Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 70 °F
Showers
Thursday
High: 82 °F
T-storms
Thursday Night
Low: 65 °F
Mostly Cloudy
Friday
High: 86 °F
Mostly Sunny
Friday Night
Low: 68 °F
Mostly Clear
Saturday
High: 91 °F
Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

Clear, with a low around 75. South wind around 5 mph.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 96. Heat index values as high as 103. South wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 70. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%.

Thursday

Showers and thunderstorms, mainly before 1pm. High near 82. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%.

Thursday Night

Mostly cloudy, with a low around 65. Calm wind.

Friday

Mostly sunny, with a high near 86.

Friday Night

Mostly clear, with a low around 68.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90.