Continuous Heavy Rainfall And Threat For Flooding Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A very slow moving disturbance will deliver continuous tropical heavy rainfall and flooding along the Texas Gulf Coast into Louisiana. Additional heavy rainfall will be possible across the Midwest and Ohio Valley, from a circulation and stalled frontal zone. Very hot temperatures exceeding 110 degrees are likely over southern California, Nevada and Arizona, which includes Las Vegas and Phoenix. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

77°F

25°C

Humidity	57%
Wind Speed	Calm
Barometer	29.90 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	20 Jun 10:55 am EDT

More Information:

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

Extended Forecast for

Norristown PA

Today

Mostly Cloudy
High: 85 °F
Tonight

Heavy Rain
Low: 66 °F
Thursday

Chance
Showers then
Mostly Sunny
High: 84 °F
Thursday
Night

Partly Cloudy
Low: 64 °F
Friday

Mostly Cloudy
High: 78 °F
Friday
Night

Chance
Showers then
Chance
T-storms
Low: 64 °F
Saturday

T-storms
Likely
High: 84 °F
Saturday
Night

T-storms
Likely then
Chance
Showers
Low: 68 °F
Sunday

Mostly Sunny
then Chance
T-storms
High: 86 °F

Detailed Forecast

Today

Mostly cloudy, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.

Tonight

A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rain. Cloudy, with a low around 66. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Thursday

A chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 84. Northeast wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Partly cloudy, with a low around 64. East wind around 7 mph.

Friday

Mostly cloudy, with a high near 78. East wind around 10 mph.

Friday Night

A chance of showers between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 64. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and thunderstorms likely, mainly after 9am. Cloudy, with a high near 84. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 3am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

Sunday

A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 66. Chance of precipitation is 40%.

Monday

Mostly sunny, with a high near 81.

Monday Night

Mostly clear, with a low around 61.

Tuesday

Sunny, with a high near 83.