National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Hammond, Hammond Municipal Airport (KHDC)

Lat: 30.52°NLon: 90.42°WElev: 43ft.

Light Rain

75°F

24°C

Humidity 99%
Wind Speed S 18 G 24 mph
Barometer 29.79 in
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Last update 18 Jun 3:35 am CDT
Extended Forecast for

Hammond LA

Flood Watch June 18, 03:48am until June 19, 07:00am
Tornado Watch until June 18, 06:00am
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Flood Watch June 18, 03:48am until June 19, 07:00am
    Tornado Watch until June 18, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 75 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 9am, then a chance of showers and thunderstorms after 9am. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 108. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 90 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 112. South wind around 5 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph.

    High: 92 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 75. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 9am, then a chance of showers and thunderstorms after 9am. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 108. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. South wind 5 to 10 mph.
Juneteenth
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 112. South wind around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 95. 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 slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. West wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammond LA
 30.5°N 90.46°W
Last Update:
2:26 am CDT Jun 18, 2026
Forecast Valid:
3am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation