Saint John the Baptist Parish, LA Weather Forecast

County weather hub

81°
F

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.

Friday, October 9, 2026
Wind: 15 to 20 mph NE
Friday

A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 81. Northeast wind 15 to 20 mph.

County weather hub

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
Next High
81°F
Friday
Next Low
72°F
Friday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
20 to 25 mph
Saturday

Daily Outlook

Today
Oct 9
Chance Showers And Thunderstorms
81 °F
/ 72°F
Wind 15 to 20 mph
Sat
Oct 10
Showers And Thunderstorms Likely
81 °F
/ 73°F
Wind 20 to 25 mph
Sun
Oct 11
Chance Showers And Thunderstorms
83 °F
/ 74°F
Wind 10 to 15 mph
Mon
Oct 12
Chance Rain Showers
85 °F
Wind 5 mph

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 source

Extended Forecast

Friday Night
Oct 9
72°F
Chance Showers And Thunderstorms
15 to 20 mph NE

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.

Saturday
Oct 10
81°F
Showers And Thunderstorms Likely
20 to 25 mph NE

Showers and thunderstorms likely. Partly sunny, with a high near 81. Northeast wind 20 to 25 mph.

Saturday Night
Oct 10
73°F
Showers And Thunderstorms Likely
15 to 20 mph E

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. East wind 15 to 20 mph.

Sunday
Oct 11
83°F
Chance Showers And Thunderstorms
10 to 15 mph SE

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.

Sunday Night
Oct 11
74°F
Chance Showers And Thunderstorms
5 to 10 mph SE

A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

Columbus Day
Oct 12
85°F
Chance Rain Showers
5 mph S

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

Coverage

Tracked cities
3
Coverage
100%

Forecast coverage currently spans 3 of 3 mapped cities in Saint John the Baptist Parish.

Largest mapped city population in this region: 29,872.

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.