Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

84°F

29°C

Humidity	43%
Wind Speed	N 7 mph
Barometer	30.11 in (1019.2 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	4 Aug 2:51 pm EDT

More Information:

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

Extended Forecast for

Fullerton PA

Tonight
Low: 64 °F
Mostly Cloudy
then Patchy
Fog
Wednesday
High: 83 °F
Patchy Fog
then Chance
T-storms
Wednesday Night
Low: 69 °F
Showers
Likely then
Chance
Showers
Thursday
High: 89 °F
Partly Sunny
then Showers
Likely
Thursday Night
Low: 70 °F
Showers
Likely
Friday
High: 88 °F
Slight Chance
T-storms then
Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Chance
T-storms
Saturday
High: 87 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 68 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. Calm wind.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 89. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 88.

Sunday Night

Mostly clear, with a low around 68.

Monday

Mostly sunny, with a high near 89.

Monday Night

Partly cloudy, with a low around 70.