Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 31, 11:00 AM CDT until July 31, 07:00 PM CDT

Current conditions at

Hammond, Hammond Municipal Airport (KHDC)

Lat: 30.52°NLon: 90.42°WElev: 43ft.

Fair

73°F

23°C

Humidity	100%
Wind Speed	S 3 mph
Barometer	30.01 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	30 Jul 11:35 pm CDT

More Information:

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

Extended Forecast for

Ponchatoula LA

Heat Advisory July 31, 11:00am until July 31, 07:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 75 °F
Partly Cloudy
Thursday
High: 96 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 77 °F
T-storms
Likely then
Mostly Clear
Friday
High: 95 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 76 °F
Chance
T-storms
Saturday
High: 94 °F
Slight Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 75 °F
Chance
T-storms
Sunday
High: 93 °F
Slight Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 73 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Partly cloudy, with a low around 75. Calm wind.

Thursday

Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny and hot, with a high near 95. Heat index values as high as 110. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Friday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.

Saturday

A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 94. North wind around 5 mph. Chance of precipitation is 70%.

Saturday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming calm.

Sunday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.

Sunday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.

Tuesday Night

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

Wednesday

A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.