Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

74°F

23°C

Humidity	85%
Wind Speed	S 3 mph
Barometer	29.97 in (1014.4 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	13 Aug 1:51 am EDT

More Information:

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

Extended Forecast for

2 Miles WSW Chapman PA

Overnight
Low: 68 °F
Patchy Fog
Wednesday
High: 88 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
Likely
Wednesday Night
Low: 69 °F
Showers then
Chance
Showers
Thursday
High: 86 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 66 °F
Showers
Likely then
Mostly Clear
Friday
High: 87 °F
Sunny then
Slight Chance
Showers
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear

Detailed Forecast

Overnight

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. Calm wind.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am. Low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely before 8pm. Partly cloudy, with a low around 66. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A slight chance of showers after 2pm. Sunny, with a high near 87. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 65.

Saturday

Mostly sunny, with a high near 87.

Saturday Night

Mostly clear, with a low around 67.

Sunday

Mostly sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 68.