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.

Partly Cloudy

82°F

28°C

Humidity	84%
Wind Speed	E 6 mph
Barometer	29.94 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	22 May 4:56 am AST

More Information:

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

Extended Forecast for

San Lorenzo PR

Overnight
Low: 74 °F
Scattered
Showers
Wednesday
High: 83 °F
Showers
Wednesday Night
Low: 72 °F
Showers
Likely
Thursday
High: 81 °F
Showers
Likely
Thursday Night
Low: 73 °F
Showers
Likely
Friday
High: 86 °F
Showers
Likely
Friday Night
Low: 74 °F
Showers
Likely
Saturday
High: 86 °F
Mostly Sunny
then Showers
Likely
Saturday Night
Low: 74 °F
Scattered
Showers

Detailed Forecast

Overnight

Scattered showers. Mostly cloudy, with a low around 74. Southeast wind around 5 mph. Chance of precipitation is 40%.

Wednesday

Scattered showers, then showers and possibly a thunderstorm after 9am. High near 83. East southeast wind 5 to 7 mph becoming calm in the morning. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Wednesday Night

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 72. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 73. Light east wind. Chance of precipitation is 70%.

Friday

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 86. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.

Saturday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.

Saturday Night

Scattered showers. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.

Sunday

Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 40%.

Sunday Night

Partly cloudy, with a low around 75.

Memorial Day

Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.

Tuesday

Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 40%.