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National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 3:16 pm AST Jul 30, 2016 

Flash Flood Watch
Hazardous Weather Outlook
 

Tonight

Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm.  Partly cloudy, with a low around 78. East northeast wind around 16 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. Showers
Likely
Sunday

Sunday: Showers and possibly a thunderstorm. Some of the storms could produce gusty winds.  High near 86. East wind 16 to 21 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. Showers

Sunday
Night
Sunday Night: Showers and possibly a thunderstorm before 11pm, then scattered showers and thunderstorms after 11pm. Some of the storms could produce gusty winds.  Low around 76. East wind 15 to 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. Showers then
Scattered
Showers
Monday

Monday: Scattered showers and thunderstorms.  Mostly sunny, with a high near 89. Heat index values as high as 99. East wind 16 to 20 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. Scattered
Showers
Monday
Night
Monday Night: Scattered showers and thunderstorms before 9pm, then isolated showers.  Partly cloudy, with a low around 79. East wind 15 to 17 mph.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Scattered
Showers
Tuesday

Tuesday: Isolated showers.  Mostly sunny, with a high near 91. East wind 14 to 18 mph.  Chance of precipitation is 20%.Isolated
Showers
Tuesday
Night
Tuesday Night: Isolated showers.  Partly cloudy, with a low around 79. East wind 11 to 14 mph.  Chance of precipitation is 20%.Isolated
Showers
Wednesday

Wednesday: Isolated showers.  Mostly sunny, with a high near 90. East wind 11 to 18 mph.  Chance of precipitation is 20%.Isolated
Showers
Wednesday
Night
Wednesday Night: Scattered showers, mainly after 9pm.  Partly cloudy, with a low around 80. East wind around 15 mph.  Chance of precipitation is 30%.Scattered
Showers
Lo 78 °FHi 86 °FLo 76 °FHi 89 °FLo 79 °FHi 91 °FLo 79 °FHi 90 °FLo 80 °F

National Weather Service Forecast Details

 

 

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Local Radar

 

Weather Summary for Puerto Rico

000
AWCA82 TJSJ 302135
RWSPR

Weather Summary for Puerto Rico
National Weather Service San Juan PR
535 PM AST SAT JUL 30 2016

Sunny to partly cloudy skies were observed across the local islands
Today. Brief but heavy showers with gusty winds affected parts of
the islands as well as the surrounding coastal waters during the
mid afternoon hours. This activity was associated with a band of
showers and thunderstorms of a strong tropical wave located around
500 miles to the east of the Leeward Islands. Winds were mostly
from the east to northeast at 10 to 20 mph with higher gusts near
showers. Maximum temperatures were in the low to mid 90s, mainly
across the south coast of Puerto Rico.

The strong tropical wave is expected to move across the islands
on Sunday. Showers and thunderstorms should be more frequent
during the overnight hours through Sunday afternoon. A flash flood
watch is in effect from Sunday morning through at least Sunday
evening for all local islands. Moisture associated to the wave
will linger through Monday morning. Fair weather conditions should
return from Tuesday through early Thursday, before the next
tropical wave affects the local area through Friday.

Across the regional waters...seas increasing between 6 to 8
feet and east winds up to 20 knots are expected through Sunday.
Gusty winds are expected with showers and thunderstorms. Small
craft advisories are in effect through Sunday across much of the
waters. A moderate to high risk of rip currents is expected
across the islands on Sunday.

$$

This product is issued around 5 AM and 5 PM each day and weather
conditions may change between issuances. Please verify the status
of any Watches...Warnings or Advisories mentioned in this product.
 

 

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