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

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

79°F

26°C

Humidity	97%
Wind Speed	NA
Barometer	30.05 in
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	15 Aug 2:55 am CDT

More Information:

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

Extended Forecast for

Vandalia IL

Heat Advisory August 15, 03:11am until August 16, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 03:11am until August 16, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Overnight
Low: 74 °F
Partly Cloudy
Saturday
High: 90 °F
Chance
T-storms then
Partly Sunny
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 91 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 70 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 65 °F
Partly Cloudy
Tuesday
High: 86 °F
Sunny

Detailed Forecast

Overnight

Partly cloudy, with a low around 74. Light southeast wind.

Saturday

A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 90. Heat index values as high as 105. Light and variable wind becoming southwest around 6 mph in the morning.

Saturday Night

Mostly clear, with a low around 75. Light southwest wind.

Sunday

A slight chance of showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 91. Heat index values as high as 105. West wind 3 to 7 mph. Chance of precipitation is 20%.

Sunday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

Mostly sunny, with a high near 85.

Monday Night

Partly cloudy, with a low around 65.

Tuesday

Sunny, with a high near 86.

Tuesday Night

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

Wednesday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.