Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

79°F

26°C

Humidity	58%
Wind Speed	SE 6 mph
Barometer	30.10 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	25 Aug 10:50 am CDT

More Information:

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

Extended Forecast for

Chesterfield IL

Today
High: 84 °F
Mostly Sunny
Tonight
Low: 65 °F
Partly Cloudy
Wednesday
High: 88 °F
Mostly Sunny
then Isolated
T-storms
Wednesday Night
Low: 64 °F
Partly Cloudy
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 61 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 86 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 84. Southeast wind around 5 mph becoming calm in the afternoon.

Tonight

Partly cloudy, with a low around 65. Light southeast wind.

Wednesday

Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 85. Calm wind becoming north 5 to 7 mph in the morning.

Thursday Night

Mostly clear, with a low around 61.

Friday

Sunny, with a high near 84.

Friday Night

Mostly clear, with a low around 61.

Saturday

Mostly sunny, with a high near 86.