Gretna, LA Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Gretna, LA in one place.
A chance of showers and thunderstorms after 1pm. Sunny. High near 95, with temperatures falling to around 92 in the afternoon. Heat index values as high as 110. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Gretna, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 6:59 PM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Gretna, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 6:59 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Gretna
Monday looks like the warmest upcoming period in Gretna at 95 degrees F.
Thursday Night is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for Monday at about 5 mph W.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 6:59 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LIX
- Radar station
- KLIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 80. Heat index values as high as 106. Southwest wind around 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 10am, then showers and thunderstorms likely between 10am and 4pm, then showers and thunderstorms likely. Mostly sunny, with a high near 92. Northwest wind around 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 79. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 80. Southwest wind 0 to 5 mph.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 92. West wind around 5 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Southwest wind 0 to 5 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Northwest wind 0 to 5 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind 0 to 5 mph.
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northeast wind 0 to 5 mph.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny then Chance Showers And Thunderstorms
|
95°F |
5 mph
W
|
|
Monday Night
Aug 24
|
Chance Showers And Thunderstorms then Partly Cloudy
|
80°F |
5 mph
SW
|
|
Tuesday
Aug 25
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
92°F |
5 mph
NW
|
|
Tuesday Night
Aug 25
|
Showers And Thunderstorms Likely then Partly Cloudy
|
79°F |
0 to 5 mph
SW
|
|
Wednesday
Aug 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
93°F |
0 to 5 mph
W
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
80°F |
0 to 5 mph
SW
|
|
Thursday
Aug 27
|
Showers And Thunderstorms Likely
|
92°F |
5 mph
W
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely
|
78°F |
0 to 5 mph
SW
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
NW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms
|
78°F |
0 to 5 mph
S
|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
NE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Gretna.
