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Atmospheric River in the Pacific Northwest and Northwest California Early This Week

An atmospheric river event will bring heavy rains and rising snow levels to the Pacific Northwest and northwest California early this week. Snow levels will rise above 8,000 feet, and 4 to 7 inches of rain is forecast for the southwest facing slopes of the mountains. Minor river and localized flooding will be possible. In the east, winds decrease by Monday, and the week will be relatively dry. 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

25°C

77°F

Humidity 100%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 19 Nov 7:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then isolated showers.  Mostly cloudy, with a low around 24. West wind 5 to 11 km/h becoming southeast in the evening.  Chance of precipitation is 60%.

    Showers
    Likely then
    Isolated
    Showers

    Low: 24 °C

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 30. South southeast wind 5 to 13 km/h becoming east in the afternoon.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 30 °C

  • Monday
    Night

    Monday Night: Isolated showers and thunderstorms.  Partly cloudy, with a low around 25. Southwest wind around 11 km/h becoming southeast in the evening.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Isolated
    Showers

    Low: 25 °C

  • Tuesday

    Tuesday: Isolated showers.  Mostly sunny, with a high near 31. East wind 14 to 23 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 31 °C

  • Tuesday
    Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 25. Southeast wind 11 to 14 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 25 °C

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 31. East southeast wind 13 to 21 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 31 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 24. East wind 9 to 14 km/h becoming light and variable  after midnight.

    Partly Cloudy

    Low: 24 °C

  • Thanksgiving
    Day

    Thanksgiving Day: Scattered showers, mainly after 1pm.  Mostly sunny, with a high near 29. Light and variable wind becoming east northeast 6 to 11 km/h in the afternoon.  Chance of precipitation is 30%.

    Mostly Sunny
    then
    Scattered
    Showers

    High: 29 °C

  • Thursday
    Night

    Thursday Night: Scattered showers, mainly before 7pm.  Partly cloudy, with a low around 24. East southeast wind around 10 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers then
    Partly Cloudy

    Low: 24 °C

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 9pm, then isolated showers. Mostly cloudy, with a low around 24. West wind 5 to 11 km/h becoming southeast in the evening. Chance of precipitation is 60%.
Monday
Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 30. South southeast wind 5 to 13 km/h becoming east in the afternoon. Chance of precipitation is 50%.
Monday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 25. Southwest wind around 11 km/h becoming southeast in the evening. Chance of precipitation is 20%.
Tuesday
Isolated showers. Mostly sunny, with a high near 31. East wind 14 to 23 km/h. Chance of precipitation is 20%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 25. Southeast wind 11 to 14 km/h. Chance of precipitation is 20%.
Wednesday
Isolated showers. Mostly sunny, with a high near 31. East southeast wind 13 to 21 km/h. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 24. East wind 9 to 14 km/h becoming light and variable after midnight.
Thanksgiving Day
Scattered showers, mainly after 1pm. Mostly sunny, with a high near 29. Light and variable wind becoming east northeast 6 to 11 km/h in the afternoon. Chance of precipitation is 30%.
Thursday Night
Scattered showers, mainly before 7pm. Partly cloudy, with a low around 24. East southeast wind around 10 km/h. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 33.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
5:33 pm AST Nov 19, 2017
8pm AST Nov 19, 2017-6pm AST Nov 26, 2017
 
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