Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Hazardous Weather Conditions

Flood Watch in effect from June 22, 02:00 PM EDT until June 23, 06:00 AM EDT

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Partly Cloudy

63°F

17°C

Humidity	93%
Wind Speed	Calm
Barometer	30.00 in
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	22 Jun 5:55 am EDT

More Information:

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

Extended Forecast for

Newtown Square PA

Flood Watch June 22, 02:00pm until June 23, 06:00am

Click here for hazard details and duration

Flood Watch

Today
High: 82 °F
Chance
Showers then
Severe
Thunderstorms
Tonight
Low: 66 °F
Severe
Thunderstorms
then Heavy
Rain
Tuesday
High: 79 °F
Chance
Showers
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 88 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 65 °F
Chance
Showers
Friday
High: 84 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 82. Northeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms before 2am, then showers likely. Some of the storms could be severe and produce heavy rainfall. Low around 66. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers, mainly between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night

Mostly clear, with a low around 60. Northwest wind around 10 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 83. Northwest wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 63.

Thursday

A chance of showers after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

Friday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.