Saint John the Baptist Parish, LA Weather Forecast
County weather hub
Chance Showers And Thunderstorms then Showers And Thunderstorms
Compare major city weather across Saint John the Baptist Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind around 5 mph. Chance of precipitation is 90%.
County Weather Overview
This county weather page brings together forecast coverage for Saint John the Baptist Parish so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Saint John the Baptist Parish.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 11:14 AM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John the Baptist Parish
Wednesday looks like the warmest upcoming period in Saint John the Baptist Parish at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 11:14 AM CDT
- Coverage
- 5 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
Showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 80%.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 75. Southeast wind around 5 mph.
Showers and thunderstorms. Mostly cloudy, with a high near 82. South wind around 5 mph.
Showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 0 to 5 mph.
Showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 0 to 5 mph.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind around 5 mph.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 85. West wind around 5 mph.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
84°F |
5 mph
SE
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
75°F |
5 mph
SE
|
|
Wednesday
May 27
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
85°F |
5 to 10 mph
SE
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
75°F |
5 mph
SE
|
|
Thursday
May 28
|
Showers And Thunderstorms
|
82°F |
5 mph
S
|
|
Thursday Night
May 28
|
Showers And Thunderstorms
|
74°F |
0 to 5 mph
S
|
|
Friday
May 29
|
Showers And Thunderstorms
|
84°F |
0 to 5 mph
SW
|
|
Friday Night
May 29
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
74°F |
5 mph
SW
|
|
Saturday
May 30
|
Chance Showers And Thunderstorms
|
85°F |
5 mph
W
|
|
Saturday Night
May 30
|
Showers And Thunderstorms Likely
|
73°F |
5 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Saint John the Baptist Parish.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Saint John the Baptist Parish.
Largest mapped city population in this region: 29,872.
