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.

Fair

87°F

31°C

Humidity	72%
Wind Speed	Calm
Barometer	29.99 in (1014.8 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	15 Aug 6:54 pm CDT

More Information:

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

Extended Forecast for

3 Miles SSW Batchtown IL

Heat Advisory August 15, 07:28pm until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 07:28pm until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Tonight
Low: 76 °F
Becoming
Cloudy
Sunday
High: 93 °F
Slight Chance
T-storms
Sunday Night
Low: 71 °F
Chance
T-storms
Monday
High: 86 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 88 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly clear during the early evening, then becoming cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

Sunday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 93. Heat index values as high as 107. West wind 3 to 7 mph. Chance of precipitation is 20%.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 71. North wind 6 to 8 mph.

Monday

Sunny, with a high near 86. North wind 5 to 7 mph.

Monday Night

Mostly clear, with a low around 67. Light north wind.

Tuesday

Sunny, with a high near 89.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

Wednesday

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