Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

77°F

25°C

Humidity 74%
Wind Speed E 8 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Mar 7:56 pm AST
Extended Forecast for

4 Miles SSW Palmer PR

  • Tonight

    Tonight: Scattered showers.  Mostly cloudy, with a low around 61. East southeast wind 9 to 11 mph.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers.  Partly sunny, with a high near 75. East wind 13 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Partly cloudy, with a low around 61. East wind 7 to 9 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Isolated
    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 75. East southeast wind 8 to 13 mph.  Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 60. East southeast wind around 8 mph.  Chance of precipitation is 40%.

    Low: 60 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers.  Partly sunny, with a high near 75. Southeast wind 6 to 11 mph.  Chance of precipitation is 40%.

    High: 75 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers.  Partly cloudy, with a low around 60. South southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 60 °F

    Scattered
    Showers

  • Saturday

    Saturday: Showers likely, mainly after noon.  Mostly cloudy, with a high near 75. Calm wind becoming south southeast 5 to 8 mph in the morning.  Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers.  Mostly cloudy, with a low around 60. Calm wind.  Chance of precipitation is 50%.

    Low: 60 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 61. East southeast wind 9 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Scattered showers. Partly sunny, with a high near 75. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 61. East wind 7 to 9 mph. Chance of precipitation is 20%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 75. East southeast wind 8 to 13 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 60. East southeast wind around 8 mph. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 75. Southeast wind 6 to 11 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Partly cloudy, with a low around 60. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 75. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before noon. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
Scattered showers. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
Monday Night
Scattered showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Palmer PR
 18.31°N 65.79°W (Elev. 2100 ft)
4:43 pm AST Mar 17, 2026
8pm AST Mar 17, 2026-6pm AST Mar 24, 2026
 
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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