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

82°F

28°C

Humidity	74%
Wind Speed	SE 9 mph
Barometer	30.10 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	15 Aug 11:50 am CDT

More Information:

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

Extended Forecast for

3 Miles NNE Medora IL

Heat Advisory August 15, 12:18pm until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 12:18pm until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
This Afternoon
High: 90 °F
Partly Sunny
Tonight
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 90 °F
Slight Chance
T-storms
Sunday Night
Low: 67 °F
Chance
T-storms then
Mostly Cloudy
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

This Afternoon

Partly sunny, with a high near 90. Heat index values as high as 103. South wind around 7 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. Light south wind.

Sunday

A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming northwest 5 to 7 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 67. North wind 3 to 8 mph.

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 87.