Jefferson Parish, LA Weather Forecast
County weather hub
Mostly Sunny then Showers And Thunderstorms Likely
Compare major city weather across Jefferson Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms likely after 1pm. Mostly sunny. High near 94, with temperatures falling to around 89 in the afternoon. Heat index values as high as 106. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Jefferson Parish so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 15 of 15 mapped cities in Jefferson Parish.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 8:16 AM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson Parish
Today looks like the warmest upcoming period in Jefferson Parish at 94 degrees F.
Thursday Night is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for Today at about 5 mph W.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 8:16 AM CDT
- Coverage
- 7 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 9pm. Mostly cloudy. Low around 79, with temperatures rising to around 81 overnight. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely between 7am and 4pm. Mostly sunny. High near 89, with temperatures falling to around 86 in the afternoon. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Mostly clear, with a low around 79. Southwest wind 0 to 5 mph.
A chance of showers and thunderstorms between 7am and 10am, then showers and thunderstorms likely between 10am and 4pm, then showers and thunderstorms likely. Mostly sunny, with a high near 90. West wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 78. West wind 0 to 5 mph.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. East wind 0 to 5 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. East wind around 0 mph.
Showers and thunderstorms likely. Partly sunny, with a high near 89. East wind 0 to 5 mph.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 79. East wind 0 to 5 mph.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 89. East 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 |
|---|---|---|---|
|
Today
Aug 24
|
Mostly Sunny then Showers And Thunderstorms Likely
|
94°F |
5 mph
W
|
|
Tonight
Aug 24
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
79°F |
0 to 5 mph
W
|
|
Tuesday
Aug 25
|
Showers And Thunderstorms Likely
|
89°F |
5 mph
N
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
79°F |
0 to 5 mph
SW
|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
90°F |
0 to 5 mph
W
|
|
Wednesday Night
Aug 26
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
79°F |
0 to 5 mph
SW
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SW
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
78°F |
0 to 5 mph
W
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
88°F |
0 to 5 mph
E
|
|
Friday Night
Aug 28
|
Showers And Thunderstorms Likely
|
78°F |
0 mph
|
|
Saturday
Aug 29
|
Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
E
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms Likely
|
79°F |
0 to 5 mph
E
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
E
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
0 to 5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson Parish.
Coverage
Forecast coverage currently spans 15 of 15 mapped cities in Jefferson Parish.
Largest mapped city population in this region: 142,489.
