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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

New Orleans, New Orleans Lakefront Airport (KNEW)

Lat: 30.05°NLon: 90.03°WElev: 7ft.

Fair

85°F

29°C

Humidity 82%
Wind Speed NE 10 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 1 Jul 6:53 am CDT
Extended Forecast for

3 Miles NNW Gretna LA

Heat Advisory July 1, 10:00am until July 1, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Northwest wind 5 to 10 mph becoming southeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 80. East wind 5 to 10 mph becoming light in the evening.

    Low: 80 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny, with a high near 91. East wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming northwest around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    T-storms
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Northwest wind 5 to 10 mph becoming southeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 80. East wind 5 to 10 mph becoming light in the evening.
Thursday
A 50 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny, with a high near 91. East wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.
Independence Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming northwest around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Gretna LA
 29.94°N 90.06°W
Last Update:
2:02 am CDT Jul 1, 2026
Forecast Valid:
7am CDT Jul 1, 2026-6pm CDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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