Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Flood Watch until June 19, 07:00 AM CDT

Current conditions at

Hammond, Hammond Municipal Airport (KHDC)

Lat: 30.52°NLon: 90.42°WElev: 43ft.

Partly Cloudy

74°F

23°C

Humidity	100%
Wind Speed	Calm
Barometer	29.88 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	17 Jun 12:15 am CDT

More Information:

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

Extended Forecast for

Ponchatoula LA

Flood Watch June 17, 12:29am until June 19, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch June 17, 12:29am until June 19, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 74 °F
Chance
T-storms
Wednesday
High: 86 °F
Chance
T-storms and
Patchy Fog
Wednesday Night
Low: 77 °F
Showers
Likely then
T-storms and
Windy
Thursday
High: 87 °F
T-storms
Thursday Night
Low: 78 °F
T-storms then
Chance
Showers
Juneteenth
High: 91 °F
Chance
T-storms then
T-storms
Friday Night
Low: 76 °F
Chance
T-storms
Saturday
High: 90 °F
T-storms
Likely

Detailed Forecast

Overnight

A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 74. Calm wind becoming southeast around 5 mph.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after noon. Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 86. South wind 5 to 15 mph.

Wednesday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 77. Windy, with a south wind 20 to 30 mph decreasing to 10 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Thursday

Showers and thunderstorms, mainly after 5pm. High near 87. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Thursday Night

Showers and thunderstorms, mainly before 7pm. Low around 78. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Juneteenth

Showers and thunderstorms, mainly after 1pm. High near 91. Southwest wind around 5 mph. Chance of precipitation is 80%.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Calm wind.

Saturday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.

Saturday Night

A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light south wind increasing to 5 to 10 mph in the morning.

Sunday Night

Partly cloudy, with a low around 78. South wind 5 to 10 mph.

Monday

Mostly sunny, with a high near 94. Southwest wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm after midnight.

Tuesday

A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.