Record High Temperatures Likely Across the Mid-Atlantic; Excessive Rainfall in the Upper Midwest, Southern New England and Southwest

An intense heat wave will continue across the Midwest/Ohio Valley into the Mid-Atlantic, where record high temperatures are likely. Heat will also build across the West this weekend. Severe thunderstorms and flash flooding are possible across the Upper Midwest into the Great Lakes and southern New England. Monsoon-like conditions may produce isolated flash flooding in the Four Corners region. Read More >

Hazardous Weather Conditions

Heat Advisory until June 23, 08:00 PM EDT

Current conditions at

Allentown Queen City Municipal Airport (KXLL)

Lat: 40.57°NLon: 75.49°WElev: 400ft.

Partly Cloudy

97°F

36°C

Humidity	39%
Wind Speed	SW 9 mph
Barometer	29.91 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	22 Jun 5:15 pm EDT

More Information:

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

Extended Forecast for

Allentown PA

Heat Advisory June 22, 05:24pm until June 23, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 22, 05:24pm until June 23, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
This Afternoon
High: 98 °F
Scattered
T-storms
Tonight
Low: 73 °F
Scattered
T-storms
Sunday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 70 °F
T-storms
Likely then
Showers
Likely
Monday
High: 84 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Mostly sunny and hot, with a high near 98. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Scattered showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 95. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Sunny, with a high near 84. Northwest wind around 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 63.

Tuesday

Sunny, with a high near 90.

Tuesday Night

Partly cloudy, with a low around 69.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Thursday

A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Thursday Night

A chance of showers. Mostly clear, with a low around 63. Chance of precipitation is 30%.

Friday

Sunny, with a high near 89.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Mostly sunny, with a high near 92.