Severe Storms For The Plains

A storm system exiting the West will trigger widespread severe thunderstorms across the Plains on Tuesday. These storms are expected to produce large hail, damaging winds, heavy rain, possible flooding and a couple of tornadoes across the region. Ahead of this sprawling system, a number of record high temperatures are possible from the Upper Mississippi Valley and Great Lakes into the Northeast. Read More >

Hazardous Weather Conditions

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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

82°F

28°C

Humidity	89%
Wind Speed	W 8 mph
Barometer	29.73 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	3 Oct 4:56 am AST

More Information:

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

Extended Forecast for

2 Miles N San Juan PR

Heat Advisory October 3, 10:00am until October 3, 04:00pm

Click here for hazard details and duration

Heat Advisory

Overnight

Showers
Likely
Low: 82 °F
Tuesday

Showers
Likely
High: 89 °F
Tuesday
Night

Scattered
Showers
Low: 83 °F
Wednesday

Showers
Likely
High: 93 °F
Wednesday
Night

Isolated
Showers
Low: 81 °F
Thursday

Isolated
Showers then
Showers
Likely
High: 93 °F
Thursday
Night

Scattered
Showers
Low: 80 °F
Friday

Sunny then
Showers
Likely
High: 92 °F
Friday
Night

Partly Cloudy
Low: 81 °F

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 82. Light west northwest wind. Chance of precipitation is 70%.

Tuesday

Showers likely and possibly a thunderstorm before 9am, then scattered showers between 9am and 3pm, then scattered showers and thunderstorms after 3pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 89. Heat index values as high as 109. North northwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Tuesday Night

Scattered showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 83. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

Wednesday

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly sunny during the morning, then cloudy during the afternoon, with a high near 93. Heat index values as high as 113. West southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%.

Wednesday Night

Isolated showers. Mostly clear, with a low around 81. South wind 3 to 6 mph. Chance of precipitation is 10%.

Thursday

Isolated showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 93. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.

Thursday Night

Scattered showers. Mostly cloudy, with a low around 80. South southeast wind 3 to 5 mph. Chance of precipitation is 50%.

Friday

Showers likely after noon. Mostly sunny, with a high near 92. Light south southeast wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 60%.

Friday Night

Partly cloudy, with a low around 81. South southeast wind 3 to 6 mph.

Saturday

Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Saturday Night

Partly cloudy, with a low around 81.

Sunday

Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 50%.

Sunday Night

Partly cloudy, with a low around 80.

Columbus Day

Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.