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Heavy Rain and Flooding in Florida; Unsettled Weather in the West

A stationary front will produce thunderstorms and heavy rainfall that could lead to local flooding across the Florida Peninsula through midweek. A strong Pacific storm will bring unsettled weather to much of the Western U.S. through Thursday. Heavy rainfall may result in isolated flash flooding near burn scars and sensitive terrain. Isolated dry thunderstorms may lead to fire starts. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

86°F

30°C

Humidity 66%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 10 Sep 8:56 am AST
Extended Forecast for

Luis Muñoz Marín International Airport PR

Heat Advisory September 10, 10:00am until September 10, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 88. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly after 3am. Mostly cloudy, with a low around 80. East wind around 9 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 80. East southeast wind 7 to 9 mph. Chance of precipitation is 10%.

    Low: 80 °F

    Isolated
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 7 to 16 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Mostly sunny, with a high near 89. East wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. Southeast wind 6 to 8 mph.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 88. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Scattered showers, mainly after 3am. Mostly cloudy, with a low around 80. East wind around 9 mph. Chance of precipitation is 50%.
Thursday
Isolated showers. Mostly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 80. East southeast wind 7 to 9 mph. Chance of precipitation is 10%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 7 to 16 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Mostly sunny, with a high near 89. East wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 79. Southeast wind 6 to 8 mph.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Monday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Luis Muñoz Marín International Airport PR
 18.42°N 66.01°W (Elev. 13 ft)
Last Update:
3:53 am AST Sep 10, 2025
Forecast Valid:
9am AST Sep 10, 2025-6pm AST Sep 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation