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.

Mostly Cloudy

76°F

24°C

Humidity	91%
Wind Speed	E 5 mph
Barometer	30.11 in (1019.1 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	15 Aug 8:54 am CDT

More Information:

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

Extended Forecast for

Michael IL

Heat Advisory August 15, 09:26am until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 09:26am until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Today
High: 90 °F
Chance
T-storms then
Partly Sunny
Tonight
Low: 75 °F
Partly Cloudy
then Chance
T-storms
Sunday
High: 90 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 69 °F
Chance
Showers
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 65 °F
Partly Cloudy
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 72 °F
Mostly Clear
then Chance
T-storms

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 90. Heat index values as high as 103. Southeast wind around 6 mph becoming southwest in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 75. Light and variable wind.

Sunday

A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 90. Heat index values as high as 102. Northwest wind 3 to 6 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 69. North wind 3 to 6 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 84. Light north wind.

Monday Night

Partly cloudy, with a low around 65.

Tuesday

Sunny, with a high near 88.

Tuesday Night

A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

Wednesday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.