Saint Tammany Parish, LA Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Saint Tammany Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. Southeast wind around 0 mph. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Saint Tammany Parish so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Saint Tammany Parish.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 3:54 AM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Tammany Parish
Wednesday looks like the warmest upcoming period in Saint Tammany Parish at 87 degrees F.
Overnight is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 10 mph S.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 3:54 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 7am, then showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 0 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms between 9am and noon, then showers and thunderstorms likely between noon and 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Southeast wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 0 to 5 mph. Chance of precipitation is 100%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 0 mph. Chance of precipitation is 90%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Southwest wind 0 to 5 mph.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind around 0 mph.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 87. West wind 0 to 5 mph.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. West wind 0 to 5 mph.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Northwest wind 0 to 5 mph.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind 0 to 5 mph.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 26
|
Chance Showers And Thunderstorms
|
70°F |
0 mph
|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
84°F |
0 to 10 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
SE
|
|
Wednesday
May 27
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
87°F |
5 to 10 mph
SE
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely
|
72°F |
0 to 5 mph
SE
|
|
Thursday
May 28
|
Showers And Thunderstorms
|
84°F |
0 to 5 mph
S
|
|
Thursday Night
May 28
|
Showers And Thunderstorms
|
70°F |
0 mph
|
|
Friday
May 29
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
86°F |
0 to 5 mph
SW
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
70°F |
0 mph
|
|
Saturday
May 30
|
Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
W
|
|
Saturday Night
May 30
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
71°F |
0 to 5 mph
W
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
NW
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
E
|
|
Monday
Jun 1
|
Chance Showers And Thunderstorms
|
86°F |
5 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Tammany Parish.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Saint Tammany Parish.
Largest mapped city population in this region: 27,541.
