New Iberia, Louisianna 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for New Iberia LA
National Weather Service Forecast for:
New Iberia LA
Issued by: National Weather Service Lake Charles, LA |
Updated: 12:56 pm CDT Jul 6, 2025 |
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This Afternoon
 Heavy Rain
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Tonight
 Chance T-storms then Mostly Clear
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Monday
 Chance T-storms then T-storms Likely
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Monday Night
 Chance T-storms then Mostly Clear
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Tuesday
 Chance T-storms then T-storms Likely
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Tuesday Night
 Chance T-storms then Mostly Clear
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Wednesday
 T-storms Likely
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Wednesday Night
 T-storms Likely then Slight Chance T-storms
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Thursday
 T-storms Likely
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Hi 93 °F |
Lo 74 °F |
Hi 91 °F |
Lo 74 °F |
Hi 91 °F |
Lo 74 °F |
Hi 93 °F |
Lo 75 °F |
Hi 92 °F |
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This Afternoon
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Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible. |
Tonight
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A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. |
Monday
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Showers and thunderstorms likely, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Monday Night
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A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. |
Tuesday
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Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. |
Tuesday Night
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A chance of thunderstorms before 7pm. Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. |
Wednesday
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A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 60%. |
Wednesday Night
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Thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 60%. |
Thursday
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Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. |
Thursday Night
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A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. |
Friday
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Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 60%. |
Friday Night
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Partly cloudy, with a low around 76. |
Saturday
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Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%. |
Forecast from NOAA-NWS
for New Iberia LA.
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Weather Forecast Discussion
864
FXUS64 KLCH 061759
AFDLCH
Area Forecast Discussion
National Weather Service Lake Charles LA
1259 PM CDT Sun Jul 6 2025
...New SHORT TERM, LONG TERM, AVIATION, MARINE, FIRE WEATHER...
.KEY MESSAGES...
-An upper low aloft will support increased rain chances through
Tuesday and Wednesday before diminishing.
-This feature will be replaced by strong ridging out west and
weak ridging to our east.
-Gradually decreasing PoPs and increasing heat & humidity are
expected later in the period.
&&
.SHORT TERM...
(Tonight through Tuesday night)
Issued at 1251 PM CDT Sun Jul 6 2025
Convection has already initiated late this morning along the sea
breeze, particularly near the immediate coastline. Diurnal heating
combined with this boundary will promote continued development of
showers and isolated thunderstorms through the afternoon,
especially across areas along and south of I-10 and the eastern
third of the forecast area thanks to an approaching upper low.
The aforementioned upper low is currently retrograding over the
northern Gulf, and is forecast to meander near or over the CWA
through much of the short term. This will support scattered to
numerous showers and thunderstorms each day. The greatest coverage
today is expected across Acadiana and the Atchafalaya Basin, where
the proximity to the upper low maximizes lift and moisture
convergence. As such, WPC has highlighted this area under a
Marginal Risk (Level 1 of 4) for excessive rainfall capable of
producing localized flash flooding.
High temperatures will generally remain in the lower to mid 90s,
tempered somewhat by cloud cover and precip. Overnight lows will
range from the low to mid 70s, with slightly higher values near
the coast. Apparent temperatures are expected to remain below Heat
Advisory criteria, though precautions should still be taken for
those exposed to prolonged periods outdoors and heat sensitive
populations.
&&
.LONG TERM...
(Wednesday through next Saturday)
Issued at 1251 PM CDT Sun Jul 6 2025
By midweek, the upper low is expected to weaken as ridging begins
to build from both the Desert SW and the Atlantic / East Coast.
The ridge to the west will be more pronounced, with our region
sitting in between these two features. As heights increase, expect
a warming and drying trend, particularly across western portions
of the forecast area.
Diurnally driven convection will persist through the week, but
coverage will likely become more limited, favoring eastern areas
where ridging influence is weaker. With reduced rain chances and
cloud cover, temperatures will gradually climb, leading to higher
afternoon heat indices. These may approach or exceed advisory
thresholds late in the period. Even if official criteria are not
met, heat related impacts remain a concern, and all are encouraged
to continue practicing heat safety.
&&
.AVIATION...
(18Z TAFS)
Issued at 1251 PM CDT Sun Jul 6 2025
Scattered showers and isolated storms have initiated along the
sea breeze late this morning, with additional activity expected
through the afternoon, especially from CenLA to S CenLA due to an
approaching upper low. Activity is expected to diminish with loss
of daytime heating. Patchy fog may again develop overnight, but
impacts to visibility should remain minimal.
&&
.MARINE...
Issued at 1251 PM CDT Sun Jul 6 2025
The chance for scattered afternoon convection begins to increase
slightly as an upper low moves overhead. Rain chances then
decrease some through the midweek as the upper low weakens and
dissipates, with typical summertime convection expected each day.
Winds and seas will remain weak / low through the week.
&&
.FIRE WEATHER...
Issued at 1251 PM CDT Sun Jul 6 2025
Rain chances will increase today through Tuesday as an upper low
moves overhead and stalls. Daily minimum RH values in the 45 to 65
percent range can be expected through the work week. With little
forcing, winds will also remain fairly light and out of the south.
&&
.PRELIMINARY POINT TEMPS/POPS...
AEX 72 94 72 93 / 20 50 10 70
LCH 76 91 76 90 / 10 60 20 80
LFT 75 91 74 90 / 30 80 10 80
BPT 75 91 75 90 / 10 50 20 70
&&
.LCH WATCHES/WARNINGS/ADVISORIES...
LA...None.
TX...None.
GM...None.
&&
$$
SHORT TERM...87
LONG TERM....87
AVIATION...87
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