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

88°F

31°C

Humidity	63%
Wind Speed	S 12 mph
Barometer	30.06 in (1017.4 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	15 Aug 12:54 pm CDT

More Information:

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

Extended Forecast for

Whiteside MO

Heat Advisory August 15, 12:59pm until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 12:59pm until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
This Afternoon
High: 91 °F
Mostly Cloudy
Tonight
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 90 °F
Slight Chance
T-storms
Sunday Night
Low: 68 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
then Chance
T-storms

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 91. Heat index values as high as 101. Southwest wind around 7 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Light south wind.

Sunday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 68. North wind 3 to 6 mph.

Monday

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

Monday Night

Mostly clear, 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 73.

Wednesday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.