Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. 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

32°C

90°F

Humidity	63%
Wind Speed	E 31 km/h
Barometer	30.04 in
Dewpoint	24°C (75°F)
Visibility	16 km
Heat Index	38°C (101°F)
Last update	15 Jul 1:56 pm AST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles N San Juan PR

Heat Advisory July 15, 02:28pm until July 15, 04:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 15, 02:28pm until July 15, 04:00pm
NOW until 4:00pm Tue
Heat Advisory
This Afternoon
High: 32 °C
Showers
Likely
Tonight
Low: 26 °C
Showers
Likely
Wednesday
High: 32 °C
Showers
Likely
Wednesday Night
Low: 26 °C
Scattered
Showers then
Clear
Thursday
High: 32 °C
Isolated
Showers
Thursday Night
Low: 26 °C
Haze
Friday
High: 32 °C
Haze
Friday Night
Low: 25 °C
Partly Cloudy

Detailed Forecast

This Afternoon

Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 32. Heat index values as high as 39. East wind around 27 km/h, with gusts as high as 35 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

Tonight

Showers likely and possibly a thunderstorm before 3am, then scattered showers. Mostly cloudy, with a low around 26. East wind 16 to 21 km/h. Chance of precipitation is 60%.

Wednesday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 32. Heat index values as high as 40. East wind 21 to 26 km/h, with gusts as high as 34 km/h. Chance of precipitation is 60%. New rainfall amounts between 2 and 3 cm possible.

Wednesday Night

Scattered showers before midnight. Partly cloudy, with a low around 26. East wind 14 to 16 km/h. Chance of precipitation is 30%.

Thursday

Isolated showers. Widespread haze. Mostly sunny, with a high near 32. East wind 18 to 26 km/h. Chance of precipitation is 20%.

Thursday Night

Widespread haze. Clear, with a low around 26. East wind 14 to 16 km/h.

Friday

Widespread haze. Mostly sunny, with a high near 32. East northeast wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 32 km/h.

Friday Night

Partly cloudy, with a low around 25. East wind around 14 km/h.

Saturday

Mostly sunny, with a high near 32. East wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 32 km/h.

Saturday Night

Mostly clear, with a low around 25.

Sunday

Mostly sunny, with a high near 33.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Mostly sunny, with a high near 33.