Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

81°F

27°C

Humidity	45%
Wind Speed	Vrbl 3 mph
Barometer	30.07 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	24 Aug 2:50 pm CDT

More Information:

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

Extended Forecast for

Bethalto IL

Tonight
Low: 64 °F
Partly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
Wednesday
High: 90 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 67 °F
Slight Chance
T-storms
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 64 °F
Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 64. East wind 3 to 5 mph.

Tuesday

Mostly sunny, with a high near 86. Southeast wind 5 to 7 mph.

Tuesday Night

Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67. West wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 87.

Thursday Night

Clear, with a low around 64.

Friday

Sunny, with a high near 87.

Friday Night

Mostly clear, with a low around 65.

Saturday

Sunny, with a high near 89.