Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Heat Advisory until August 16, 09:00 PM CDT

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

A Few Clouds

77°F

25°C

Humidity	85%
Wind Speed	SE 3 mph
Barometer	30.10 in (1018.7 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Aug 9:54 am CDT

More Information:

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

Extended Forecast for

Elsah IL

Heat Advisory August 15, 10:31am until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 10:31am until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Today
High: 93 °F
Chance
T-storms then
Partly Sunny
Tonight
Low: 77 °F
Increasing
Clouds
Sunday
High: 93 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
then Chance
T-storms

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 93. Heat index values as high as 107. East wind 6 to 8 mph becoming southwest in the afternoon.

Tonight

Increasing clouds, with a low around 77. Light and variable wind becoming west around 5 mph after midnight.

Sunday

A 30 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 106. West wind 5 to 8 mph.

Sunday Night

A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. North wind 5 to 9 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 86. North wind around 6 mph.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

Sunny, with a high near 90.

Tuesday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Wednesday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.