Cold Front to Bring Cooling and Heavy Rain in the East; Building Heat and Monsoon in the West

A slow moving cold front will bring temperatures back to near normal early this week in the East. Strong to severe storms ahead of the front may produce damaging winds and heavy rain that could cause flash flooding. Strengthening high pressure in the West will produce surging monsoon moisture with potential for flash flooding. Heat may become excessive in the Desert Southwest this week. Read More >

Hazardous Weather Conditions

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Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Light Rain

26°C

78°F

Humidity	76%
Wind Speed	W 20 km/h
Barometer	1007.4 mb (29.75 in)
Dewpoint	21°C (70°F)
Visibility	16 km
Heat Index	27°C (80°F)
Last update	22 Jul 7:54 pm EDT

More Information:

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

Extended Forecast for

Philadelphia PA

Flash Flood Watch until July 23, 08:00am

Severe T-storm Watch until July 22, 10:00pm

Click here for hazard details and duration

Flash Flood Watch

...

Flash Flood Watch until July 23, 08:00am
Severe T-storm Watch until July 22, 10:00pm

NOW: Multiple
hazards in effect

Click HERE for Details
Tonight

Severe
Thunderstorms
Low: 21 °C
Tuesday

Heavy Rain
High: 26 °C
Tuesday
Night

Chance
Showers
Low: 19 °C
Wednesday

Mostly Sunny
High: 28 °C
Wednesday
Night

Partly Cloudy
Low: 18 °C
Thursday

Sunny
High: 29 °C
Thursday
Night

Mostly Clear
Low: 19 °C
Friday

Sunny
High: 31 °C

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Some storms could be severe, with damaging winds and heavy rain. Low around 21. West wind 6 to 11 km/h becoming light after midnight. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

Tuesday

Showers likely, mainly before noon. The rain could be heavy at times. Cloudy, with a high near 26. Northwest wind 11 to 14 km/h. Chance of precipitation is 60%. New precipitation amounts between 7.5 mm and 1 cm possible.

Tuesday Night

A chance of showers before 2am. Mostly cloudy, with a low around 19. North wind around 8 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

Wednesday

Mostly sunny, with a high near 28. North wind 8 to 10 km/h.

Wednesday Night

Partly cloudy, with a low around 18. Calm wind.

Thursday

Sunny, with a high near 29.

Thursday Night

Mostly clear, with a low around 19.

Friday

Sunny, with a high near 31.

Friday Night

Mostly clear, with a low around 19.