Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

80°F

27°C

Humidity	41%
Wind Speed	N 5 mph
Barometer	29.90 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	21 Jun 2:55 pm EDT

More Information:

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

Extended Forecast for

Horsham PA

Tonight
Low: 64 °F
Partly Cloudy
Monday
High: 83 °F
Heavy Rain
Monday Night
Low: 63 °F
Heavy Rain
Tuesday
High: 81 °F
Showers
Likely
Tuesday Night
Low: 61 °F
Slight Chance
Showers then
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 85 °F
Sunny then
Chance
Showers
Thursday Night
Low: 64 °F
Chance
T-storms

Detailed Forecast

Tonight

Partly cloudy, with a low around 64. West wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.

Monday

A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 83. East wind 10 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Showers likely, mainly before 11am. Partly sunny, with a high near 81. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

A slight chance of showers before 11pm. Partly cloudy, with a low around 61. Northwest wind around 5 mph. Chance of precipitation is 20%.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

Thursday Night

A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Friday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

Partly cloudy, with a low around 65.

Sunday

Mostly sunny, with a high near 84.