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

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair

82°F

28°C

Humidity	100%
Wind Speed	Calm
Barometer	30.02 in
Dewpoint	82°F (28°C)
Visibility	9.00 mi
Heat Index	95°F (35°C)
Last update	15 Aug 10:35 pm CDT

More Information:

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

Extended Forecast for

3 Miles NW Marthasville MO

Extreme Heat Warning August 15, 10:51pm until August 16, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 15, 10:51pm until August 16, 09:00pm
NOW until 9:00pm Sun
Extreme Heat Warning
Tonight
Low: 73 °F
Slight Chance
T-storms
Sunday
High: 92 °F
Chance
T-storms
Sunday Night
Low: 69 °F
Chance
T-storms
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 69 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 89 °F
Slight Chance
Showers

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 73. Light and variable wind.

Sunday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 92. Heat index values as high as 109. West wind 5 to 7 mph. Chance of precipitation is 30%.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 69. North wind 5 to 7 mph.

Monday

Mostly sunny, with a high near 85. North wind 5 to 7 mph becoming calm in the afternoon.

Monday Night

Mostly clear, with a low around 64. Calm wind.

Tuesday

Sunny, with a high near 90.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

Wednesday

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 89.