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Hazardous Weather Conditions

Heat Advisory until May 20, 08:00 PM EDT

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

78°F

26°C

Humidity	56%
Wind Speed	W 7 mph
Barometer	30.03 in (1016.4 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	19 May 9:51 pm EDT

More Information:

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

Extended Forecast for

2 Miles NE Mertztown PA

Heat Advisory May 19, 10:10pm until May 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory May 19, 10:10pm until May 20, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Tonight
Low: 71 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny then
Showers
Likely
Wednesday Night
Low: 54 °F
Showers
Likely
Thursday
High: 65 °F
Chance
Showers
Thursday Night
Low: 50 °F
Mostly Cloudy
Friday
High: 64 °F
Chance
Showers
Friday Night
Low: 48 °F
Showers
Saturday
High: 58 °F
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 71. Southwest wind around 5 mph.

Wednesday

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 89. West wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers before 2pm. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Mostly cloudy, with a low around 50. Calm wind.

Friday

A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Showers. Low around 48. Chance of precipitation is 80%.

Saturday

Showers. High near 58. Chance of precipitation is 90%.

Saturday Night

Showers. Low around 50. Chance of precipitation is 80%.

Sunday

Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

Memorial Day

A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.