Heavy Rain and Flash Flooding Possible in Portions of the Southeast, Mid-Atlantic and Appalachians. A Few Severe Thunderstorms Possible in the West and Northwest

Rain and thunderstorms are expected over much of the Southeast, Mid-Atlantic, and central Appalachians. Locally heavy rain is possible, with flash flooding possible over some areas. A few severe thunderstorms will be possible over portions of the western and northwestern U.S. today and Friday.
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Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

31°C

88°F

Humidity 55%
Wind Speed SE 20 G 33 km/h
Barometer 29.96 in
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index34°C (93°F)
Last update 5 May 11:56 am AST
Extended Forecast for

San Juan PR

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Partly sunny, with a high near 31. Southeast wind around 27 km/h.  Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    Scattered
    Showers

    High: 31 °C

  • Tonight

    Tonight: Isolated showers.  Partly cloudy, with a low around 24. East southeast wind 16 to 18 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 24 °C

  • Friday

    Friday: Isolated showers, then scattered showers and thunderstorms after noon.  Mostly sunny, with a high near 33. South southeast wind 23 to 26 km/h.  Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Isolated
    Showers then
    Scattered
    Showers

    High: 33 °C

  • Friday
    Night

    Friday Night: Isolated showers.  Partly cloudy, with a low around 25. South southeast wind 18 to 21 km/h.  Chance of precipitation is 10%.

    Isolated
    Showers

    Low: 25 °C

  • Saturday

    Saturday: Isolated showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 33. Southeast wind 16 to 21 km/h.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Isolated
    Showers then
    Showers
    Likely

    High: 33 °C

  • Saturday
    Night

    Saturday Night: Scattered showers.  Mostly cloudy, with a low around 24. South southeast wind 11 to 13 km/h.  Chance of precipitation is 40%. New precipitation amounts between 1 and 2.5 mm possible.

    Scattered
    Showers

    Low: 24 °C

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 32. East southeast wind 8 to 14 km/h.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 32 °C

  • Sunday
    Night

    Sunday Night: Scattered showers.  Mostly cloudy, with a low around 24. East wind 11 to 13 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 24 °C

  • Monday

    Monday: Scattered showers.  Partly sunny, with a high near 31. Northeast wind 10 to 16 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    High: 31 °C

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 31. Southeast wind around 27 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Isolated showers. Partly cloudy, with a low around 24. East southeast wind 16 to 18 km/h. Chance of precipitation is 20%.
Friday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 33. South southeast wind 23 to 26 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Friday Night
Isolated showers. Partly cloudy, with a low around 25. South southeast wind 18 to 21 km/h. Chance of precipitation is 10%.
Saturday
Isolated showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 33. Southeast wind 16 to 21 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 24. South southeast wind 11 to 13 km/h. Chance of precipitation is 40%. New precipitation amounts between 1 and 2.5 mm possible.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 32. East southeast wind 8 to 14 km/h. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 24. East wind 11 to 13 km/h. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 31. Northeast wind 10 to 16 km/h. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
10:01 am AST May 5, 2016
12pm AST May 5, 2016-6pm AST May 11, 2016
 
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