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 showers and thunderstorms. Mostly sunny. High near 95, with temperatures falling to around 91 in the afternoon. Heat index values as high as 106. South wind around 5 mph. Chance of precipitation is 30%.
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
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 3:09 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Tammany Parish
This Afternoon looks like the warmest upcoming period in Saint Tammany Parish at 95 degrees F.
Monday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for This Afternoon at about 5 mph S.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 3:09 PM 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 slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. South wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 95, with temperatures falling to around 90 in the afternoon. Heat index values as high as 107. South wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind 0 to 5 mph. Chance of precipitation is 20%.
Showers and thunderstorms likely. Mostly sunny, with a high near 93. West wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 87. West wind 0 to 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 0 to 5 mph.
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. West wind 0 to 5 mph.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West 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 92. West wind 0 to 5 mph.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. West wind around 0 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. West wind 0 to 5 mph.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. West wind around 0 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 10
|
Chance Showers And Thunderstorms
|
95°F |
5 mph
S
|
|
Tonight
Jul 10
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
77°F |
0 to 5 mph
S
|
|
Saturday
Jul 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
0 to 5 mph
S
|
|
Saturday Night
Jul 11
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
0 to 5 mph
S
|
|
Sunday
Jul 12
|
Showers And Thunderstorms Likely
|
93°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
75°F |
0 to 5 mph
SW
|
|
Monday
Jul 13
|
Showers And Thunderstorms
|
87°F |
0 to 5 mph
W
|
|
Monday Night
Jul 13
|
Showers And Thunderstorms
|
73°F |
0 to 5 mph
W
|
|
Tuesday
Jul 14
|
Showers And Thunderstorms Likely
|
87°F |
0 to 5 mph
W
|
|
Tuesday Night
Jul 14
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
W
|
|
Wednesday
Jul 15
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 mph
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
75°F |
0 mph
|
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.
