Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

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

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

93°F

34°C

Humidity	54%
Wind Speed	Calm
Barometer	29.96 in (1014.0 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	16 Aug 4:53 pm CDT

More Information:

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

Extended Forecast for

Imperial MO

Extreme Heat Warning August 16, 05:55pm until August 16, 09:00pm

Click here for hazard details and duration

...

Extreme Heat Warning August 16, 05:55pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Tonight
Low: 71 °F
T-storms
Likely
Monday
High: 86 °F
Gradual
Clearing
Monday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 89 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
then Chance
Showers
Wednesday
High: 88 °F
Chance
Showers
Wednesday Night
Low: 67 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 82 °F
Chance
T-storms

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 71. Light and variable wind becoming north 5 to 7 mph in the evening. Chance of precipitation is 60%.

Monday

Cloudy through mid morning, then gradual clearing, with a high near 86. North wind 6 to 10 mph.

Monday Night

Partly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 89. Calm wind.

Tuesday Night

A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70. Light southeast wind.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

Friday

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 84.

Friday Night

Partly cloudy, with a low around 64.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Mostly clear, with a low around 65.