Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

84°F

29°C

Humidity	74%
Wind Speed	SE 3 mph
Barometer	30.00 in (1015.8 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	21 May 10:56 pm AST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles W Catano PR

Tonight
Low: 78 °F
Scattered
Showers
Wednesday
High: 87 °F
Scattered
Showers then
Showers
Wednesday Night
Low: 77 °F
Showers
Likely
Thursday
High: 89 °F
Showers
Likely
Thursday Night
Low: 78 °F
Showers
Likely
Friday
High: 90 °F
Scattered
Showers
Friday Night
Low: 77 °F
Scattered
Showers
Saturday
High: 91 °F
Mostly Sunny
then Showers
Likely
Saturday Night
Low: 78 °F
Scattered
Showers

Detailed Forecast

Tonight

Scattered showers, mainly after 3am. Partly cloudy, with a low around 78. East southeast wind 5 to 7 mph. Chance of precipitation is 40%.

Wednesday

Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 87. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Wednesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 77. East wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 89. East wind 8 to 10 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 60%.

Friday

Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. East southeast wind 7 to 10 mph. Chance of precipitation is 50%.

Friday Night

Scattered showers. Mostly cloudy, with a low around 77. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 40%.

Saturday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 91. East wind around 6 mph. Chance of precipitation is 70%.

Saturday Night

Scattered showers. Mostly cloudy, with a low around 78. Light east southeast wind. Chance of precipitation is 50%.

Sunday

Showers likely, mainly after noon. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.

Sunday Night

Partly cloudy, with a low around 77.

Memorial Day

Showers likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

Monday Night

Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.