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

Extreme Heat Warning until August 16, 09:00 PM CDT

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

88°F

31°C

Humidity	66%
Wind Speed	S 12 mph
Barometer	30.07 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	15 Aug 2:50 pm CDT

More Information:

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

Extended Forecast for

Alhambra IL

Extreme Heat Warning August 15, 03:37pm until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 03:37pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Tonight
Low: 75 °F
Partly Cloudy
Sunday
High: 92 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 70 °F
Chance
T-storms
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 87 °F
Chance
Showers

Detailed Forecast

Tonight

Partly cloudy, with a low around 75. Calm wind becoming southwest around 5 mph after midnight.

Sunday

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 106. Southwest wind 5 to 8 mph becoming northwest in the afternoon.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 70. Northwest wind 3 to 7 mph.

Monday

Mostly sunny, with a high near 84. North wind 5 to 7 mph.

Monday Night

Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 87.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

Wednesday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.