Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 74%
Wind Speed E 15 mph
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Mar 6:56 pm AST
Extended Forecast for

Loiza PR

  • Tonight

    Tonight: Isolated showers.  Partly cloudy, with a low around 74. East wind around 14 mph.  Chance of precipitation is 20%.

    Low: 74 °F

    Isolated
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 9am and noon.  Partly sunny, with a high near 83. East wind 14 to 22 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Scattered showers, mainly after 9pm.  Partly cloudy, with a low around 74. East wind 15 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Low: 74 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers.  Partly sunny, with a high near 83. East wind 18 to 22 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 74. East wind 15 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 84. East wind 17 to 20 mph.  Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Mostly cloudy, with a low around 73. East wind around 14 mph.  Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers.  Mostly sunny, with a high near 83. East wind 14 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers.  Partly cloudy, with a low around 73. East wind 11 to 13 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 74. East wind around 14 mph. Chance of precipitation is 20%.
Sunday
Showers likely, mainly between 9am and noon. Partly sunny, with a high near 83. East wind 14 to 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Scattered showers, mainly after 9pm. Partly cloudy, with a low around 74. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 83. East wind 18 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 74. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 84. East wind 17 to 20 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 73. East wind around 14 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly sunny, with a high near 83. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 73. East wind 11 to 13 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
4:43 pm AST Mar 14, 2026
7pm AST Mar 14, 2026-6pm AST Mar 21, 2026
 
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Additional Resources

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