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.

Heavy Rain Fog/Mist

77°F

25°C

Humidity	94%
Wind Speed	NE 17 mph
Barometer	30.08 in (1018.0 mb)
Dewpoint	75°F (24°C)
Visibility	3.00 mi
Heat Index	78°F (26°C)
Last update	15 Aug 6:54 am CDT

More Information:

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

Extended Forecast for

Kane ILSimilar City Names

Heat Advisory August 15, 07:11am until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 07:11am until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Today
High: 90 °F
T-storms
Likely then
Partly Sunny
Tonight
Low: 74 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 90 °F
Chance
T-storms then
Mostly Sunny
Sunday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
then Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 90. Heat index values as high as 103. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

Tonight

A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 74. Light and variable wind.

Sunday

A 30 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 102. West wind 3 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 68. North wind 5 to 7 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 84. North wind 3 to 5 mph.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Sunny, with a high near 87.

Tuesday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

Wednesday

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

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.