Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

66°F

19°C

Humidity	98%
Wind Speed	Calm
Barometer	30.12 in
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	15 Aug 1:15 am EDT

More Information:

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

Extended Forecast for

Norristown PA

Overnight
Low: 67 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 68 °F
Partly Cloudy
Sunday
High: 84 °F
Chance
Showers then
Showers
Sunday Night
Low: 70 °F
Showers
Monday
High: 88 °F
Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 67. Calm wind becoming north around 5 mph.

Saturday

Sunny, with a high near 89. Northeast wind around 5 mph.

Saturday Night

Partly cloudy, with a low around 68. Calm wind.

Sunday

A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Mostly clear, with a low around 65.

Wednesday

Sunny, with a high near 90.

Wednesday Night

A chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday

A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.