Excessive Heat for the Southwest; Showers and Thunderstorms for Portions of the Plains and East Coast

Showers and thunderstorms are expected across the eastern two-thirds of the country today along and ahead of a cold front. Some of these storms may result in isolated incidences of severe weather, including flash flooding. Meanwhile, more records may be tied or broken as excessive heat across the California's Central Valley and much of the Desert Southwest continues. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

81°F

27°C

Humidity	84%
Wind Speed	SE 7 mph
Barometer	29.97 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	6 Jun 8:56 am AST

More Information:

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

Extended Forecast for

2 Miles WSW Luis MuÃ±oz MarÃn International Airport PR

Heat Advisory until June 6, 05:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until June 6, 05:00pm
NOW until 5:00pm Thu
Heat Advisory
Today
High: 90 °F
Showers
Likely
Tonight
Low: 80 °F
Scattered
Showers
Friday
High: 92 °F
Isolated
Showers then
Sunny
Friday Night
Low: 81 °F
Isolated
Showers
Saturday
High: 92 °F
Isolated
Showers
Saturday Night
Low: 80 °F
Clear then
Scattered
Showers
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 80 °F
Partly Cloudy

Detailed Forecast

Today

Showers likely and possibly a thunderstorm before 3pm, then scattered showers and thunderstorms after 3pm. Mostly cloudy, with a high near 90. Heat index values as high as 104. Southeast wind 14 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Tonight

Scattered showers and thunderstorms before midnight, then isolated showers. Widespread haze after midnight. Partly cloudy, with a low around 80. Southeast wind around 6 mph. Chance of precipitation is 40%.

Friday

Isolated showers before noon. Sunny, with a high near 92. Heat index values as high as 106. Southeast wind 7 to 14 mph. Chance of precipitation is 10%.

Friday Night

Isolated showers. Mostly clear, with a low around 81. Southeast wind around 7 mph. Chance of precipitation is 10%.

Saturday

Isolated showers. Mostly sunny, with a high near 92. East southeast wind 8 to 14 mph. Chance of precipitation is 20%.

Saturday Night

Scattered showers after midnight. Partly cloudy, with a low around 80. East southeast wind 5 to 7 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 90. East wind 6 to 14 mph.

Sunday Night

Partly cloudy, with a low around 80. East southeast wind 5 to 8 mph.

Monday

Mostly sunny, with a high near 89. East wind 8 to 15 mph.