Saint John the Baptist Parish, LA Weather Forecast
County weather hub
Chance 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 after 7am. Partly sunny, with a high near 81. Northeast wind 15 to 20 mph.
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
- Oct 9 to Oct 12, 2026
- Latest sync
- Oct 6, 2026 2:40 AM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John the Baptist Parish
Columbus Day looks like the warmest upcoming period in Saint John the Baptist Parish at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Saturday at about 20 to 25 mph NE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 6, 2026 2:40 AM CDT
- Coverage
- 4 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 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northeast wind 15 to 20 mph.
Showers and thunderstorms likely. Partly sunny, with a high near 81. Northeast wind 20 to 25 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. East wind 15 to 20 mph.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Southeast wind 10 to 15 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Chance Showers And Thunderstorms
|
81°F |
15 to 20 mph
NE
|
|
Friday Night
Oct 9
|
Chance Showers And Thunderstorms
|
72°F |
15 to 20 mph
NE
|
|
Saturday
Oct 10
|
Showers And Thunderstorms Likely
|
81°F |
20 to 25 mph
NE
|
|
Saturday Night
Oct 10
|
Showers And Thunderstorms Likely
|
73°F |
15 to 20 mph
E
|
|
Sunday
Oct 11
|
Chance Showers And Thunderstorms
|
83°F |
10 to 15 mph
SE
|
|
Sunday Night
Oct 11
|
Chance Showers And Thunderstorms
|
74°F |
5 to 10 mph
SE
|
|
Columbus Day
Oct 12
|
Chance Rain Showers
|
85°F |
5 mph
S
|
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.