Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Dense Fog Advisory until March 21, 08:00 AM EDT

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Patches Fog

48°F

9°C

Humidity	93%
Wind Speed	Calm
Barometer	29.78 in (1008.3 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	21 Mar 5:54 am EDT

More Information:

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

Extended Forecast for

3 Miles SW Ewan NJ

Dense Fog Advisory March 21, 06:19am until March 21, 08:00am

Click here for hazard details and duration

...

Dense Fog Advisory March 21, 06:19am until March 21, 08:00am
NOW until 8:00am Sat
Dense Fog Advisory
Today
High: 61 °F
Areas Dense
Fog then
Sunny
Tonight
Low: 42 °F
Mostly Cloudy
Sunday
High: 74 °F
Mostly Cloudy
then Slight
Chance
Showers
Sunday Night
Low: 47 °F
Chance
Showers then
Showers
Monday
High: 53 °F
Showers then
Chance
Showers
Monday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 50 °F
Sunny
Tuesday Night
Low: 35 °F
Mostly Cloudy

Detailed Forecast

Today

Areas of dense fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. North wind 10 to 15 mph.

Tonight

Mostly cloudy, with a low around 42. East wind 5 to 10 mph becoming south after midnight.

Sunday

A slight chance of showers after 2pm. Partly sunny, with a high near 74. Southwest wind around 10 mph. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 47. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers, mainly before 8am. High near 53. Northwest wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Mostly clear, with a low around 31.

Tuesday

Sunny, with a high near 50.

Tuesday Night

Mostly cloudy, with a low around 35.

Wednesday

Partly sunny, with a high near 56.

Wednesday Night

Mostly cloudy, with a low around 38.

Thursday

Mostly cloudy, with a high near 58.