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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

76°F

24°C

Humidity	94%
Wind Speed	S 3 mph
Barometer	30.00 in (1015.2 mb)
Dewpoint	74°F (23°C)
Visibility	9.00 mi
Heat Index	76°F (24°C)
Last update	18 Aug 3:53 am CDT

More Information:

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

Extended Forecast for

Caseyville IL

Heat Advisory August 18, 04:19am until August 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 18, 04:19am until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Today
High: 96 °F
Sunny
Tonight
Low: 74 °F
Partly Cloudy
Tuesday
High: 94 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 75 °F
Chance
T-storms
Wednesday
High: 88 °F
Chance
T-storms
Wednesday Night
Low: 66 °F
Partly Cloudy
Thursday
High: 86 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Mostly Clear

Detailed Forecast

Today

Sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south 5 to 7 mph in the morning.

Tonight

Partly cloudy, with a low around 74. South wind 3 to 5 mph.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming northwest around 6 mph in the morning.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. North wind around 5 mph becoming calm in the evening.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. North wind 5 to 10 mph.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

Mostly sunny, with a high near 86.

Thursday Night

Mostly clear, with a low around 66.

Friday

Sunny, with a high near 88.