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. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

78°F

26°C

Humidity	76%
Wind Speed	Calm
Barometer	29.77 in (1007.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	12 Aug 6:54 pm CDT

More Information:

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

Extended Forecast for

2 Miles SSE Brussels IL

Heat Advisory August 12, 07:39pm until August 15, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 12, 07:39pm until August 15, 09:00pm
NOW until 9:00pm Sat
Heat Advisory
Tonight
Low: 76 °F
Scattered
T-storms
Thursday
High: 97 °F
Scattered
T-storms
Thursday Night
Low: 76 °F
Isolated
T-storms
Friday
High: 97 °F
Hot
Friday Night
Low: 76 °F
Mostly Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 76 °F
Mostly Clear
Sunday
High: 97 °F
Hot

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 76. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.

Thursday

Scattered showers and thunderstorms before 11am, then isolated showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

Thursday Night

Isolated showers and thunderstorms before 3am. Partly cloudy, with a low around 76. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

Friday

Mostly sunny and hot, with a high near 97. Heat index values as high as 107. South wind 3 to 6 mph.

Friday Night

Mostly clear, with a low around 76. Southeast wind 3 to 6 mph.

Saturday

Mostly sunny and hot, with a high near 97.

Saturday Night

Mostly clear, with a low around 76.

Sunday

Sunny and hot, with a high near 97.