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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Hammond, Hammond Municipal Airport (KHDC)

Lat: 30.52°NLon: 90.42°WElev: 43ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 15 Aug 5:55 am CDT
Extended Forecast for

2 Miles W Hammond LA

Heat Advisory August 15, 10:00am until August 15, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers between 11am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 95 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming east around 5 mph.

    High: 95 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 11am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 75. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
A chance of showers and thunderstorms. Sunny and hot, with a high near 96. Calm wind becoming northeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 74. Calm wind.
Thursday
A chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hammond LA
 30.5°N 90.49°W
Last Update:
12:26 am CDT Aug 15, 2025
Forecast Valid:
6am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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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