Heat Wave in the Northeastern U.S.; Severe Thunderstorms and Excessive Rainfall in the Plains and Upper Midwest; Critical Fire Weather in the Southwestern U.S.

The first significant heat wave this season will impact much of the Midwest, Great Lakes, Mid-Atlantic and Northeast this week. Record high temperatures and rapid onset drought is possible. In the northern Plains and Upper Midwest, strong to severe thunderstorms with excessive rainfall are possible today. Dry, gusty winds will bring critical fire weather to the Four Corners and central California. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from June 18, 01:00 AM CDT until June 19, 04:00 PM CDT

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Heavy Rain Fog/Mist

76°F

24°C

Humidity	94%
Wind Speed	NE 8 mph
Barometer	30.01 in (1016.3 mb)
Dewpoint	74°F (23°C)
Visibility	3.00 mi
Heat Index	76°F (24°C)
Last update	17 Jun 12:53 pm CDT

More Information:

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

Extended Forecast for

Slidell LA

Coastal Flood Advisory June 18, 01:00am until June 19, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

This Afternoon
High: 87 °F
Showers
Likely
Tonight
Low: 76 °F
Showers
Likely then
Chance
T-storms
Tuesday
High: 85 °F
Showers
Likely
Tuesday Night
Low: 76 °F
Mostly Cloudy
Juneteenth
High: 88 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 75 °F
Slight Chance
T-storms
Thursday
High: 89 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 74 °F
Mostly Clear
Friday
High: 91 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 87. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 76. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Tuesday Night

Mostly cloudy, with a low around 76. East wind 10 to 15 mph, with gusts as high as 25 mph.

Juneteenth

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. East wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind 10 to 15 mph.

Thursday Night

Mostly clear, with a low around 74. East wind 5 to 10 mph.

Friday

A chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91. Southeast wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers and thunderstorms. Sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the morning.

Saturday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.