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 >

Current conditions at

Hammond, Hammond Municipal Airport (KHDC)

Lat: 30.52°NLon: 90.42°WElev: 43ft.

Light Drizzle

76°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 17 Jun 6:15 am CDT
Extended Forecast for

Hammond Municipal Airport LA

Flood Watch June 17, 06:18am until June 19, 07:00am
Flood Warning June 17, 08:30am until June 21, 10:00pm
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch June 17, 06:18am until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Today

    High: 84 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am.  Low around 75. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 75 °F

    Showers
    Likely then
    T-storms and
    Windy

  • Thursday

    Thursday: Showers and thunderstorms before 9am, then showers and possibly a thunderstorm between 9am and 10am, then showers and thunderstorms likely after 10am.  High near 87. Southwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 87 °F

    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm.  High near 91. South wind around 5 mph.  Chance of precipitation is 80%.

    High: 91 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    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 60%.

    High: 90 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after noon. Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 84. South wind 5 to 15 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 75. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and thunderstorms before 9am, then showers and possibly a thunderstorm between 9am and 10am, then showers and thunderstorms likely after 10am. High near 87. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Juneteenth
Showers and possibly a thunderstorm. High near 91. South wind around 5 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. 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 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Hammond Municipal Airport LA
 30.55°N 90.41°W
5:31 am CDT Jun 17, 2026
6am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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