Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 29, 11:00 AM EDT until July 30, 08:00 PM EDT

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

73°F

23°C

Humidity	90%
Wind Speed	S 3 mph
Barometer	30.02 in (1016.2 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	29 Jul 2:51 am EDT

More Information:

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

Extended Forecast for

Bethlehem PA

Heat Advisory July 29, 11:00am until July 30, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 71 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny then
Chance
Showers
Wednesday Night
Low: 72 °F
Chance
T-storms
Thursday
High: 82 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely
Friday
High: 75 °F
Chance
Showers
Friday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 71. Calm wind.

Tuesday

Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 73. Calm wind.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Friday

A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 59.

Saturday

Sunny, with a high near 78.

Saturday Night

Mostly clear, with a low around 57.

Sunday

Sunny, with a high near 82.