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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

77°F

25°C

Humidity	90%
Wind Speed	Calm
Barometer	29.98 in (1014.9 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	19 Aug 3:53 am CDT

More Information:

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

Extended Forecast for

4 Miles SSE Smithton IL

Heat Advisory August 19, 04:34am until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 19, 04:34am until August 19, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
Today
High: 95 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 86 °F
Mostly Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 95. Heat index values as high as 107. Light and variable wind becoming northwest 5 to 7 mph in the morning.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. North wind 3 to 7 mph.

Wednesday

Mostly sunny, with a high near 87. North wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 66. North wind 5 to 7 mph.

Thursday

Mostly sunny, with a high near 86. Northeast wind 5 to 9 mph.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 87.