National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 79%
Wind Speed E 8 mph
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 25 Jun 8:56 am AST
Extended Forecast for

2 Miles NNE Catano PR

  • Today

    Today: Scattered showers, mainly after 3pm. Mostly sunny, with a high near 84. East wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 84 °F

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 79. East wind 7 to 11 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 79 °F

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 83. East southeast wind 7 to 13 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Scattered showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 79. Southeast wind around 11 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 79 °F

  • Sunday

    Sunday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 84. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 79. Southeast wind around 11 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 79 °F

  • Monday

    Monday: Mostly sunny, with a high near 83. East wind 13 to 15 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 80. East southeast wind 9 to 11 mph.

    Partly Cloudy

    Low: 80 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. East wind 13 to 15 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 84 °F

Detailed Forecast

Today
Scattered showers, mainly after 3pm. Mostly sunny, with a high near 84. East wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tonight
Scattered showers. Mostly cloudy, with a low around 79. East wind 7 to 11 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 83. East southeast wind 7 to 13 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 79. Southeast wind around 11 mph. Chance of precipitation is 40%.
Sunday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 84. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 79. Southeast wind around 11 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83. East wind 13 to 15 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 80. East southeast wind 9 to 11 mph.
Tuesday
Mostly sunny, with a high near 84. East wind 13 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 80.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 80. Chance of precipitation is 40%.
Thursday
Scattered showers. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles NNE Catano PR
 18.47°N 66.1°W (Elev. 0 ft)
Last Update:
4:35 am AST Jun 25, 2021
Forecast Valid:
9am AST Jun 25, 2021-6pm AST Jul 1, 2021
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation