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Slight risk of severe weather on Sunday

The NWS Storm Prediction Center expects a slight risk of severe weather in portions of the Great Lakes and Midwest on Sunday. The area of greatest concern is in Michigan, southeast Wisconsin, northern Illinois, and northern Indiana. The primary risks for this area will be damaging winds and large hail, but an isolated tornado cannot be ruled out.
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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.

A Few Clouds

28°C

82°F

Humidity 79%
Wind Speed E 20 km/h
Barometer 30.02 in
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 1 Aug 9:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Isolated showers.  Mostly clear, with a low around 26. East wind around 16 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 26 °C

  • Sunday

    Sunday: Isolated showers.  Mostly sunny, with a high near 33. Heat index values as high as 36. East wind 18 to 24 km/h, with gusts as high as 34 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 33 °C

  • Sunday
    Night

    Sunday Night: Isolated showers.  Partly cloudy, with a low around 26. East wind 14 to 16 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 26 °C

  • Monday

    Monday: Scattered showers and thunderstorms before noon, then isolated showers.  Partly sunny, with a high near 33. Heat index values as high as 38. East wind 23 to 27 km/h, with gusts as high as 39 km/h.  Chance of precipitation is 40%. New precipitation amounts between 5 and 7.5 mm possible.

    Scattered
    Showers

    High: 33 °C

  • Monday
    Night

    Monday Night: Isolated showers.  Partly cloudy, with a low around 27. East wind 18 to 23 km/h, with gusts as high as 32 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 27 °C

  • Tuesday

    Tuesday: Isolated showers.  Mostly sunny, with a high near 32. East northeast wind 21 to 23 km/h, with gusts as high as 32 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 32 °C

  • Tuesday
    Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 26. East wind around 21 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 26 °C

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 32. East northeast wind 16 to 18 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: Scattered showers.  Partly cloudy, with a low around 26. East northeast wind around 14 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 26 °C

Detailed Forecast

Tonight
Isolated showers. Mostly clear, with a low around 26. East wind around 16 km/h. Chance of precipitation is 20%.
Sunday
Isolated showers. Mostly sunny, with a high near 33. Heat index values as high as 36. East wind 18 to 24 km/h, with gusts as high as 34 km/h. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 26. East wind 14 to 16 km/h. Chance of precipitation is 20%.
Monday
Scattered showers and thunderstorms before noon, then isolated showers. Partly sunny, with a high near 33. Heat index values as high as 38. East wind 23 to 27 km/h, with gusts as high as 39 km/h. Chance of precipitation is 40%. New precipitation amounts between 5 and 7.5 mm possible.
Monday Night
Isolated showers. Partly cloudy, with a low around 27. East wind 18 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.
Tuesday
Isolated showers. Mostly sunny, with a high near 32. East northeast wind 21 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 26. East wind around 21 km/h. Chance of precipitation is 20%.
Wednesday
Isolated showers. Mostly sunny, with a high near 32. East northeast wind 16 to 18 km/h. Chance of precipitation is 20%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 26. East northeast wind around 14 km/h. Chance of precipitation is 30%.
Thursday
Scattered showers, mainly before 1pm. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 25. Chance of precipitation is 10%.
Friday
Isolated showers. Mostly sunny, with a high near 32. Chance of precipitation is 20%.
Friday Night
Isolated showers. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Saturday
Isolated showers. Mostly sunny, with a high near 32. Chance of precipitation is 20%.
  Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
2:41 pm AST Aug 1, 2015
10pm AST Aug 1, 2015-6pm AST Aug 8, 2015
 
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Additional Resources

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National Digital Forecast Database