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Prairieville, Louisianna 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Prairieville LA
National Weather Service Forecast for: Prairieville LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 1:01 pm CDT Jul 19, 2025
 
This
Afternoon
This Afternoon: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a steady temperature around 86. South wind around 5 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Slight Chance
T-storms then
Mostly Clear
Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest around 5 mph.
Sunny then
Slight Chance
T-storms
Sunday
Night
Sunday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Monday

Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.
Sunny then
Slight Chance
T-storms
Monday
Night
Monday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Mostly Clear

Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 95. Calm wind.
Sunny then
Slight Chance
T-storms
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 78. Calm wind.
Mostly Clear

Wednesday

Wednesday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny and hot, with a high near 95. Northwest wind around 5 mph becoming calm.
Chance
T-storms
Hi 86 °F Lo 76 °F Hi 93 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 95 °F Lo 78 °F Hi 95 °F

Special Weather Statement
 

This Afternoon
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 86. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Sunday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest around 5 mph.
Sunday Night
 
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.
Monday Night
 
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Tuesday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind.
Tuesday Night
 
Mostly clear, with a low around 78. Calm wind.
Wednesday
 
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 95. Northwest wind around 5 mph becoming calm.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Calm wind.
Thursday
 
Showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming east around 5 mph.
Thursday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Friday
 
Showers and thunderstorms. Mostly sunny, with a high near 91. East wind around 5 mph.
Friday Night
 
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Saturday
 
Showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the morning.

 

Forecast from NOAA-NWS for Prairieville LA.

Weather Forecast Discussion
283
FXUS64 KLIX 191923
AFDLIX

Area Forecast Discussion
National Weather Service New Orleans LA
223 PM CDT Sat Jul 19 2025

...New SHORT TERM, LONG TERM, AVIATION, MARINE...

.SHORT TERM...
(This evening through Sunday night)
Issued at 210 PM CDT Sat Jul 19 2025

Upper ridging over the eastern Gulf this afternoon with a
shortwave moving through the Ohio River Valley. Scattered
convection has developed over the last couple hours with most of
it from about the Interstate 10 corridor northward. Early
afternoon temperatures were in the upper 80s and lower 90s. Heat
index values were mostly ranging from 98 to 105 degrees.

Upper ridging will continue to drift westward and be centered over
southeast Louisiana by Monday morning. There will be some drying
of the airmass with precipitable water values falling from around
2 inches this morning to about 1.7 inches tomorrow afternoon, and
perhaps as low as 1.5 inches in some locations by Monday morning.
Areal coverage of convection tomorrow is expected to be
considerably lower than this afternoon, and not out of the
question that the entire area remains dry tomorrow. Without
convection to cut off heating, expect most of the area to reach
the middle 90s for highs tomorrow. With dew points likely to
remain in the middle 70s, this will likely place heat index values
rather close to Heat Advisory criteria of 108F. Considered going
ahead and issuing an advisory, but in coordination with our
neighbors to the east and west, will give the evening/mid shifts
an additional run to reassess the need.

&&

.LONG TERM...
(Monday through Friday night)
Issued at 210 PM CDT Sat Jul 19 2025

With upper ridging remaining centered over the Lower Mississippi
River Valley Monday and Tuesday, little, if any, convection is
expected to develop over the area. The exception may be an
isolated storm or two near lake/sea breeze boundary collisions
during the afternoon hours. Beyond Tuesday, ridging may be
displaced far enough from the area for an easterly wave or two to
move across the northern Gulf. The main question regarding the
second half of the workweek is whether the precipitation shield
remains primarily over the Gulf or spreads inland. The main impact
on the forecast would be Wednesday, when recent runs of the ECMWF
have kept most precipitation offshore. Wednesday through Friday
would be likely to see scattered afternoon convection each day.

Pretty confident that Heat Advisories or Extreme Heat Warnings
will be necessary on Monday and Tuesday, with Tuesday being the
hotter of the 2 days. Some of the raw 2 meter temperature guidance
from the GFS would indicate portions of the CWA nearing 100F
Tuesday afternoon. Won`t go quite that high...yet. But certainly
there is potential to get that warm if ground is dry enough.
Threat for storms drifts forecast highs back to the mid 90s
Wednesday and lower 90s Thursday/Friday. If drier solutions become
apparent, highs will need warmed.

&&

.AVIATION...
(18Z TAFS)
Issued at 210 PM CDT Sat Jul 19 2025

Cloud bases generally in the FL025-FL035 range this afternoon,
with localized ceilings in the vicinity of thunderstorms. Expect
convection to dissipate by 00z near most terminals, if not sooner.
VFR conditions expected overnight and Sunday morning. Threat for
TSRA Sunday is too low to mention in terminals.

&&

.MARINE...
Issued at 210 PM CDT Sat Jul 19 2025

Main concern for marine operations will be the threat of
thunderstorms and localized winds/seas. Convection today would
potentially impact protected waters (lakes/sounds), then little or
no storms Sunday through Tuesday. Thunderstorm threat will
increase over the open waters Wednesday through the end of the
week. May be some need for Small Craft Exercise Caution or Small
Craft Advisory headlines by about Thursday, but that`s beyond the
scope of the current forecast package.

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  73  94  73  95 /  20  20   0  10
BTR  75  94  75  95 /  10  20   0  10
ASD  74  93  74  95 /  10  20   0  20
MSY  78  94  78  95 /  10  20   0  20
GPT  76  92  77  94 /  10  20   0  20
PQL  74  93  75  95 /  10  20   0  20

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...None.
GM...None.
MS...None.
GM...None.
&&

$$

SHORT TERM...RW
LONG TERM....RW
AVIATION...RW
MARINE...RW
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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