Severe Storms in the Upper Midwest and Northern Plains Saturday; Increasing Heat Across the South

Scattered severe thunderstorms capable of producing damaging winds, large to very large hail and a couple of tornadoes will be possible Saturday afternoon in the Upper Midwest and Great Plains. Stronger storms may produce heavy to excessive rainfall. Simmering heat will impact areas from the Southwest to the Gulf Coast and Southeast this weekend. Heat indices may exceed 100 degrees. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

82°F

28°C

Humidity 79%
Wind Speed S 3 mph
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Jun 11:56 pm AST
Extended Forecast for

San Juan PR

Excessive Heat Watch June 15, 10:00am until June 15, 06:00pm
Click here for hazard details and duration
Excessive Heat Watch
  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 80. Calm wind.  Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 93. Heat index values as high as 106. Light south southeast wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 40%.

    High: 93 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers, mainly after 3am.  Partly cloudy, with a low around 80. South southeast wind 3 to 7 mph.  Chance of precipitation is 40%.

    Low: 80 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers, then scattered showers and thunderstorms after noon.  Partly sunny, with a high near 92. Heat index values as high as 105. Light south wind becoming southeast 5 to 9 mph in the morning.  Chance of precipitation is 50%.

    High: 92 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers.  Mostly cloudy, with a low around 79. South southeast wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers.  Mostly sunny, with a high near 90. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79. East northeast wind around 6 mph becoming south southeast after midnight.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 89. Light and variable wind becoming east northeast 6 to 11 mph in the morning.  Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. Southeast wind 6 to 9 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 80. Calm wind. Chance of precipitation is 40%.
Saturday
Scattered showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 93. Heat index values as high as 106. Light south southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Saturday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 80. South southeast wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday
Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 92. Heat index values as high as 105. Light south wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 50%.
Sunday Night
Isolated showers. Mostly cloudy, with a low around 79. South southeast wind 5 to 7 mph. Chance of precipitation is 20%.
Monday
Isolated showers. Mostly sunny, with a high near 90. Light and variable wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 79. East northeast wind around 6 mph becoming south southeast after midnight.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Light and variable wind becoming east northeast 6 to 11 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 79. Southeast wind 6 to 9 mph.
Juneteenth
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.08°W (Elev. 16 ft)
8:58 pm AST Jun 14, 2024
12am AST Jun 15, 2024-6pm AST Jun 21, 2024
 
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Additional Resources

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