Wet High-elevation Snow and High Winds in the West; Severe Weather in the Central/Southern Plains

Higher elevation snow across the Great Basin and the Pacific Northwest into the northern Rockies will expand eastward into the central Rockies and will also bring quite a bit of wind. Windy and dry conditions in the Desert Southwest will cause Critical fire conditions. Severe thunderstorms and heavy rains are expected to develop across parts of the southern/central Plains on Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

71°F

22°C

Humidity	79%
Wind Speed	NW 5 mph
Barometer	29.89 in (1012.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	6 May 7:54 pm EDT

More Information:

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

Extended Forecast for

Upper Darby PA

Tonight
Low: 60 °F
Slight Chance
Showers and
Patchy Fog
Tuesday
High: 77 °F
Mostly Cloudy
Tuesday Night
Low: 61 °F
Slight Chance
Showers then
Showers
Likely
Wednesday
High: 84 °F
Showers
Likely then
Chance
Showers
Wednesday Night
Low: 61 °F
Chance
Showers
Thursday
High: 75 °F
Showers
Likely then
Showers
Thursday Night
Low: 57 °F
Showers
Friday
High: 67 °F
Chance
Showers
Friday Night
Low: 49 °F
Chance
Showers

Detailed Forecast

Tonight

A slight chance of showers after 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 60. Northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

Tuesday

Mostly cloudy, with a high near 77. Northeast wind around 5 mph becoming south in the afternoon.

Tuesday Night

A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 61. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 75. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Chance of precipitation is 80%.

Friday

A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.

Friday Night

A chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 65.

Saturday Night

Partly cloudy, with a low around 50.

Sunday

A chance of showers. Mostly sunny, with a high near 67. Chance of precipitation is 30%.