Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Flood Watch until August 21, 02:00 AM EDT

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Light Rain

74°F

23°C

Humidity	85%
Wind Speed	Calm
Barometer	29.98 in (1014.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	20 Aug 1:51 pm EDT

More Information:

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

Extended Forecast for

North Catasauqua PA

Flood Watch August 20, 02:25pm until August 21, 02:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 20, 02:25pm until August 21, 02:00am
NOW until 2:00am Fri
Flood Watch
This Afternoon
High: 78 °F
T-storms
Tonight
Low: 60 °F
T-storms then
Mostly Cloudy
Friday
High: 81 °F
Mostly Sunny
Friday Night
Low: 63 °F
Increasing
Clouds
Saturday
High: 78 °F
Showers
Likely
Saturday Night
Low: 63 °F
Showers
Likely
Sunday
High: 81 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 59 °F
Chance
T-storms then
Mostly Clear

Detailed Forecast

This Afternoon

Showers and thunderstorms. High near 78. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Tonight

Showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Low around 60. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Mostly sunny, with a high near 81. Northeast wind around 5 mph.

Friday Night

Increasing clouds, with a low around 63. Calm wind.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Sunday Night

A chance of thunderstorms before 8pm. Mostly clear, with a low around 59. Chance of precipitation is 30%.

Monday

Sunny, with a high near 78.

Monday Night

Mostly clear, with a low around 57.

Tuesday

Sunny, with a high near 79.

Tuesday Night

Mostly clear, with a low around 58.

Wednesday

A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.