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Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Light Rain

26°C

79°F

Humidity 94%
Wind Speed SE 15 km/h
Barometer 1015.9 mb (30.00 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 23 Mar 11:56 am AST
Extended Forecast for

San Juan PR

  • This
    Afternoon

    This Afternoon: Scattered showers.  Mostly cloudy, with a high near 29. East southeast wind 11 to 14 km/h.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 29 °C

  • Tonight

    Tonight: Scattered showers.  Mostly cloudy, with a low around 23. Southeast wind 5 to 10 km/h becoming calm  after midnight.  Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 23 °C

  • Friday

    Friday: Scattered showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 29. East wind 11 to 14 km/h.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Showers
    Likely

    High: 29 °C

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 22. Southeast wind 8 to 10 km/h.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 22 °C

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 29. South southwest wind 8 to 13 km/h becoming east southeast 21 to 26 km/h in the afternoon.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 29 °C

  • Saturday
    Night

    Saturday Night: Isolated showers.  Mostly cloudy, with a low around 22. East wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 22 °C

  • Sunday

    Sunday: Scattered showers, mainly after noon.  Partly sunny, with a high near 30. South southeast wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon.  Chance of precipitation is 50%.

    Partly Sunny
    then
    Scattered
    Showers

    High: 30 °C

  • Sunday
    Night

    Sunday Night: Scattered showers.  Mostly cloudy, with a low around 23. Southeast wind around 14 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 23 °C

  • Monday

    Monday: Scattered showers.  Partly sunny, with a high near 31. South southeast wind 14 to 16 km/h.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 31 °C

Detailed Forecast

This Afternoon
Scattered showers. Mostly cloudy, with a high near 29. East southeast wind 11 to 14 km/h. Chance of precipitation is 50%.
Tonight
Scattered showers. Mostly cloudy, with a low around 23. Southeast wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 50%.
Friday
Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. East wind 11 to 14 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Mostly cloudy, with a low around 22. Southeast wind 8 to 10 km/h. Chance of precipitation is 60%.
Saturday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 29. South southwest wind 8 to 13 km/h becoming east southeast 21 to 26 km/h in the afternoon. Chance of precipitation is 60%.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 22. East wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Chance of precipitation is 20%.
Sunday
Scattered showers, mainly after noon. Partly sunny, with a high near 30. South southeast wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 23. Southeast wind around 14 km/h. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 31. South southeast wind 14 to 16 km/h. Chance of precipitation is 50%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Tuesday
Scattered showers. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly sunny, with a high near 30. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
10:19 am AST Mar 23, 2017
12pm AST Mar 23, 2017-6pm AST Mar 29, 2017
 
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