Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Rip Current Statement until January 22, 06:00 PM AST

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

83°F

28°C

Humidity	67%
Wind Speed	E 15 mph
Barometer	29.99 in (1015.5 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	21 Jan 2:56 pm AST

More Information:

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

Extended Forecast for

2 Miles WNW Lomas PR

This Afternoon
High: 78 °F
Scattered
Showers
Tonight
Low: 70 °F
Showers
Likely
Thursday
High: 77 °F
Scattered
Showers then
Showers
Likely
Thursday Night
Low: 70 °F
Showers
Likely
Friday
High: 77 °F
Scattered
Showers
Friday Night
Low: 69 °F
Scattered
Showers
Saturday
High: 77 °F
Scattered
Showers
Saturday Night
Low: 70 °F
Partly Cloudy
Sunday
High: 78 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Scattered showers. Mostly sunny, with a high near 78. East northeast wind around 15 mph. Chance of precipitation is 50%.

Tonight

Showers likely, mainly after 3am. Mostly cloudy, with a low around 70. East northeast wind around 6 mph. Chance of precipitation is 60%.

Thursday

Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. East wind 7 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 70. East wind 3 to 5 mph. Chance of precipitation is 60%.

Friday

Scattered showers. Partly sunny, with a high near 77. East wind 5 to 11 mph. Chance of precipitation is 50%.

Friday Night

Scattered showers, mainly after midnight. Partly cloudy, with a low around 69. East wind around 6 mph. Chance of precipitation is 30%.

Saturday

Scattered showers. Partly sunny, with a high near 77. East wind 5 to 10 mph. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 70. East wind around 6 mph.

Sunday

Mostly sunny, with a high near 78. East wind 7 to 11 mph.