Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

70°F

21°C

Humidity	49%
Wind Speed	E 5 mph
Barometer	30.09 in
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	13 Jun 10:50 pm EDT

More Information:

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

Extended Forecast for

Norristown PA

Tonight
Low: 63 °F
Showers
Likely
Saturday
High: 71 °F
Showers
Likely
Saturday Night
Low: 59 °F
Chance
Showers
Sunday
High: 69 °F
Chance
Showers
Sunday Night
Low: 60 °F
Chance
Showers
Monday
High: 69 °F
Chance
Showers
Monday Night
Low: 61 °F
Mostly Cloudy
Tuesday
High: 77 °F
Mostly Cloudy
Tuesday Night
Low: 65 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 63. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 71. Northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers. Cloudy, with a low around 59. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 69. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms. Cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers. Cloudy, with a high near 69. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Mostly cloudy, with a low around 61.

Tuesday

Mostly cloudy, with a high near 77.

Tuesday Night

A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Wednesday Night

A chance of thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Juneteenth

Showers likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.