Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. 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	74%
Wind Speed	E 15 G 25 mph
Barometer	30.05 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	18 Jul 6:56 pm AST

More Information:

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

Extended Forecast for

Loiza PR

Tonight
Low: 78 °F
Showers
Likely
Saturday
High: 87 °F
Showers
Likely
Saturday Night
Low: 78 °F
Showers
Likely
Sunday
High: 87 °F
Scattered
Showers
Sunday Night
Low: 79 °F
Isolated
Showers then
Scattered
Showers
Monday
High: 86 °F
Scattered
Showers
Monday Night
Low: 79 °F
Scattered
Showers
Tuesday
High: 88 °F
Scattered
Showers then
Mostly Sunny
Tuesday Night
Low: 78 °F
Mostly Clear

Detailed Forecast

Tonight

Showers likely, mainly after 3am. Mostly cloudy, with a low around 78. East northeast wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 87. East wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms after 9pm. Mostly cloudy, with a low around 78. East southeast wind around 10 mph. Chance of precipitation is 60%.

Sunday

Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 87. East wind 11 to 15 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers, mainly after midnight. Mostly cloudy, with a low around 79. East wind around 11 mph. Chance of precipitation is 50%.

Monday

Scattered showers. Partly sunny, with a high near 86. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Monday Night

Scattered showers. Partly cloudy, with a low around 79. East wind 9 to 11 mph. Chance of precipitation is 30%.

Tuesday

Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Tuesday Night

Mostly clear, with a low around 78. East wind around 14 mph.

Wednesday

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

Wednesday Night

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

Thursday

Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Thursday Night

Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 40%.

Friday

Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.