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

Reading, Reading Regional Airport (KRDG)

Lat: 40.37°NLon: 75.96°WElev: 344ft.

Fog

48°F

9°C

Humidity	96%
Wind Speed	W 5 mph
Barometer	29.77 in (1008.7 mb)
Dewpoint	47°F (8°C)
Visibility	0.25 mi
Wind Chill	46°F (8°C)
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 ESE Mount Aetna PA

Dense Fog Advisory March 21, 05:58am until March 21, 08:00am

Click here for hazard details and duration

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Dense Fog Advisory March 21, 05:58am until March 21, 08:00am
NOW until 8:00am Sat
Dense Fog Advisory
Today
High: 57 °F
Areas Dense
Fog then
Mostly Sunny
Tonight
Low: 42 °F
Mostly Cloudy
Sunday
High: 74 °F
Mostly Cloudy
then Chance
T-storms
Sunday Night
Low: 41 °F
Showers
Monday
High: 48 °F
Slight Chance
Showers and
Breezy
Monday Night
Low: 28 °F
Mostly Clear
Tuesday
High: 48 °F
Sunny
Tuesday Night
Low: 34 °F
Mostly Cloudy

Detailed Forecast

Today

Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 57. Northwest wind 5 to 10 mph.

Tonight

Mostly cloudy, with a low around 42. East wind around 5 mph.

Sunday

A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 41. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

A slight chance of showers before 2pm. Mostly sunny, with a high near 48. Breezy, with a north wind around 20 mph. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 28.

Tuesday

Sunny, with a high near 48.

Tuesday Night

Mostly cloudy, with a low around 34.

Wednesday

Partly sunny, with a high near 53.

Wednesday Night

Mostly cloudy, with a low around 35.