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Brownsville, Texas 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 2 Miles SW Brownsville TX
National Weather Service Forecast for: 2 Miles SW Brownsville TX
Issued by: National Weather Service Brownsville, TX
Updated: 7:15 pm CDT Aug 22, 2025
 
Tonight

Tonight: A slight chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am.  Mostly clear, with a low around 79. East southeast wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.
Slight Chance
Showers then
Chance
T-storms
Saturday

Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Increasing clouds, with a high near 94. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms then
Showers
Likely
Saturday
Night
Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 79. East wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
Sunday

Sunday: Showers and possibly a thunderstorm.  High near 91. Calm wind becoming east southeast around 6 mph in the afternoon.  Chance of precipitation is 80%.
Showers

Sunday
Night
Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 78. East southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.
Showers
Likely

Monday

Monday: Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 93. Calm wind becoming southeast 5 to 9 mph in the morning.  Chance of precipitation is 60%.
Showers
Likely

Monday
Night
Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am, then a slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 80. Southeast wind 5 to 8 mph.  Chance of precipitation is 20%.
Slight Chance
T-storms

Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the morning.
Chance
T-storms

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Mostly Clear

Lo 79 °F Hi 94 °F Lo 79 °F Hi 91 °F Lo 78 °F Hi 93 °F Lo 80 °F Hi 95 °F Lo 78 °F

 

Tonight
 
A slight chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 79. East southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 94. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 79. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
 
Showers and possibly a thunderstorm. High near 91. Calm wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 78. East southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
 
Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%.
Monday Night
 
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 80. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday
 
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
 
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Wednesday
 
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light southeast wind increasing to 5 to 10 mph in the morning.
Wednesday Night
 
Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming light south southeast after midnight.
Thursday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
 
Mostly clear, with a low around 78.
Friday
 
Sunny, with a high near 95.

 

Forecast from NOAA-NWS for 2 Miles SW Brownsville TX.

Weather Forecast Discussion
305
FXUS64 KBRO 222325
AFDBRO

Area Forecast Discussion
National Weather Service Brownsville TX
625 PM CDT Fri Aug 22 2025

...New AVIATION...

.DISCUSSION...
Issued at 1225 PM CDT Fri Aug 22 2025

Upper level low pressure along the Texas coast will support weak
forcing and deep mid-level moisture through the weekend and into
early next week. PWAT values look to remain between 2 and 2.4
inches through the weekend, before slowly falling off early next
week. This pattern will support increasing rain chances over the
weekend, with increased spatial coverage possible Sunday and
Monday. The high PWAT values could support some locally heavy
rainfall and nuisance flooding.

By mid week, an upper-level ridge looks to shift east over Texas,
increasing subsidence across the region and limiting rain chances
later in the week. Some isolated sea breeze convection could still
continue through Thursday, with rain free conditions likely
returning Friday.

High temperatures are expected to remain in the 90s through the
forecast, with heat indices likely remaining below heat advisory
thresholds through the week.

&&

.AVIATION...
(00Z TAFS)
Issued at 614 PM CDT Fri Aug 22 2025

At this hour, showers and thunderstorms are beginning to move over
KMFE, which will bring further updates to prevailing conditions as
ceilings and visibility are likely to become MVFR, potentially
IFR, as heavy rain, in addition to lightning and some gusty
winds, arrive. Otherwise, KHRL and KBRO continue to experience
VFR conditions and light easterly winds. Within a few hours, all
terminals are expected to become VFR along with light and
variable, or calm, winds. Winds pick up back to 5-10 knots,
gusting to around 17-22 knots, by the afternoon. PROB30`s have
been added for generally the 18-00 Z timeframe tomorrow as showers
and thunderstorms develop.

&&

.MARINE...
Issued at 1225 PM CDT Fri Aug 22 2025

Generally favorable marine conditions are expected to continue
through the forecast. Light to moderate onshore winds and slight
seas are expected to continue the week. Rain chances are expected
to increase to around 60-70% this weekend and early next week.
Daily low rain chances will then continue through Thursday. Winds
and seas may be locally higher in and around thunderstorms.

&&

.PRELIMINARY POINT TEMPS/POPS...
BROWNSVILLE             79  94  79  91 /  30  60  70  80
HARLINGEN               75  94  74  92 /  30  60  60  80
MCALLEN                 79  97  78  94 /  40  70  70  80
RIO GRANDE CITY         76  96  75  93 /  40  70  70  80
SOUTH PADRE ISLAND      81  88  80  88 /  40  50  70  70
BAYVIEW/PORT ISABEL     78  92  77  91 /  30  50  60  70

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...None.
GM...None.
&&

$$

SHORT TERM...60-BE
LONG TERM....60-BE
AVIATION...65-Irish
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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