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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	94%
Wind Speed	Calm
Barometer	30.00 in (1015.2 mb)
Dewpoint	75°F (24°C)
Visibility	8.00 mi
Heat Index	78°F (26°C)
Last update	18 Aug 2:53 am CDT

More Information:

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

Extended Forecast for

Smithton IL

Heat Advisory August 18, 02:57am until August 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 18, 02:57am until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Overnight
Low: 74 °F
Partly Cloudy
Monday
High: 96 °F
Sunny
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 94 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms
Wednesday
High: 88 °F
Chance
T-storms
Wednesday Night
Low: 66 °F
Partly Cloudy
Thursday
High: 85 °F
Mostly Sunny

Detailed Forecast

Overnight

Partly cloudy, with a low around 74. Calm wind.

Monday

Sunny, with a high near 96. Heat index values as high as 109. South wind 3 to 6 mph.

Monday Night

Partly cloudy, with a low around 73. Light south wind.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming northwest around 5 mph in the afternoon.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light north wind.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

Mostly sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 87.