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. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

80°F

27°C

Humidity	89%
Wind Speed	E 5 mph
Barometer	30.04 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	14 Aug 11:35 pm CDT

More Information:

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

Extended Forecast for

Royal Lakes IL

Heat Advisory August 14, 11:53pm until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 14, 11:53pm until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Tonight
Low: 75 °F
Slight Chance
T-storms
Saturday
High: 91 °F
Chance
T-storms then
Partly Sunny
Saturday Night
Low: 74 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 90 °F
Partly Sunny
Sunday Night
Low: 68 °F
Chance
T-storms
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 87 °F
Sunny

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 75. Southeast wind 3 to 7 mph.

Saturday

A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 91. Heat index values as high as 105. Light and variable wind becoming south 5 to 7 mph in the morning.

Saturday Night

A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 74. Light and variable wind.

Sunday

Partly sunny, with a high near 90. Heat index values as high as 103. Northwest wind 5 to 7 mph.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 50%.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Sunny, with a high near 87.