National Weather Service United States Department of Commerce

Severe Weather Possible for Parts of Northern Rockies, High Plains, Ohio Valley, and Carolinas

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon and evening for four distinct areas across the U.S.: from central Idaho into northwestern Montana; from northwest Texas to extreme southeastern Montana; across central Illinois, southern Indiana and into northern Kentucky; and across the central and eastern Carolinas.
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Current Conditions

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Toa Baja PR

7 Day Forecast

San Juan, PR

NWS Weather Forecast Office

Tonight

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 77 °F

Wednesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 89 °F

Wednesday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 75 °F

Thursday

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 89 °F

Thursday
Night

Isolated Showers Chance for Measurable Precipitation 10%

Isolated
Showers

Low: 77 °F

Friday

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 87 °F

Friday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 77 °F

Saturday

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 90 °F

Saturday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 77 °F

  • Tonight Scattered showers, mainly after 3am. Mostly cloudy, with a low around 77. East wind 15 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
  • Wednesday Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 89. Heat index values as high as 97. East wind around 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Night Showers likely and possibly a thunderstorm. Cloudy, with a low around 75. East southeast wind 10 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Thursday Isolated showers. Mostly cloudy, with a high near 89. East wind 7 to 15 mph. Chance of precipitation is 20%.
  • Thursday Night Isolated showers. Mostly cloudy, with a low around 77. East wind around 10 mph. Chance of precipitation is 10%.
  • Friday Isolated showers. Partly sunny, with a high near 87. East northeast wind 10 to 13 mph. Chance of precipitation is 20%.
  • Friday Night Isolated showers. Mostly cloudy, with a low around 77. East northeast wind around 10 mph. Chance of precipitation is 20%.
  • Saturday Isolated showers. Mostly sunny, with a high near 90. East northeast wind 10 to 13 mph. Chance of precipitation is 20%.
  • Saturday Night Isolated showers. Mostly cloudy, with a low around 77. East wind 9 to 11 mph. Chance of precipitation is 20%.
  • Sunday Isolated showers. Partly sunny, with a high near 87. Chance of precipitation is 20%.
  • Sunday Night Isolated showers. Mostly cloudy, with a low around 77. Chance of precipitation is 10%.
  • Monday Isolated showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
  • Monday Night Isolated showers. Mostly clear, with a low around 78. Chance of precipitation is 10%.
  • Tuesday Isolated showers. Sunny, with a high near 89. Chance of precipitation is 10%.

 

Additional Forecasts and Information

Zone Area Forecast for San Juan and Vicinity, PR