Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Heat Advisory until August 15, 09:00 PM CDT

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

81°F

27°C

Humidity	81%
Wind Speed	S 5 mph
Barometer	29.92 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	14 Aug 3:55 am CDT

More Information:

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

Extended Forecast for

East Gillespie IL

Heat Advisory August 14, 04:16am until August 15, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 14, 04:16am until August 15, 09:00pm
NOW until 9:00pm Sat
Heat Advisory
Overnight
Low: 72 °F
Mostly Cloudy
Friday
High: 92 °F
Chance
T-storms then
Mostly Sunny
Friday Night
Low: 73 °F
Mostly Clear
Saturday
High: 93 °F
Slight Chance
T-storms then
Mostly Sunny
Saturday Night
Low: 73 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Chance
T-storms
Monday
High: 84 °F
Mostly Sunny

Detailed Forecast

Overnight

Mostly cloudy, with a low around 72. South wind around 5 mph.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 105. Calm wind becoming southeast around 5 mph.

Friday Night

Mostly clear, with a low around 73. Southeast wind 3 to 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms, mainly between 9am and 10am. Mostly sunny, with a high near 93. Heat index values as high as 106. Light and variable wind becoming southwest around 6 mph in the morning.

Saturday Night

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

Sunday

Mostly sunny, with a high near 91.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 69.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Sunny, with a high near 85.