Heavy Rain and Thunderstorms From the Southwest to the Midwest; Heat Wave Impacting the Central and Southern U.S.

Strong to severe thunderstorms capable of producing damaging winds, large hail and heavy rain will be possible this afternoon and evening in the central/southern Great Plains and Midwest. Monsoon like conditions are possible across the Desert Southwest through mid-week. Instances of flash flooding may occur. Dangerous heat continues to impact the Great Plains, Deep South and Southeast. Read More >

Current conditions at

Allentown Queen City Municipal Airport (KXLL)

Lat: 40.57°NLon: 75.49°WElev: 400ft.

Fair

90°F

32°C

Humidity	27%
Wind Speed	SW 9 G 16 mph
Barometer	29.91 in
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	25 Jun 3:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSE Mertztown PA

Tonight
Low: 70 °F
Slight Chance
Showers
Wednesday
High: 90 °F
Partly Sunny
then Severe
Thunderstorms
Wednesday Night
Low: 66 °F
Severe
Thunderstorms
then Showers
Thursday
High: 82 °F
Mostly Sunny
Thursday Night
Low: 59 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy
then Chance
Showers
Saturday
High: 82 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 72 °F
Showers
Likely

Detailed Forecast

Tonight

A slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Wednesday

Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Partly sunny, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could be severe. Low around 66. West wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.

Thursday Night

Mostly clear, with a low around 59. North wind around 5 mph.

Friday

Sunny, with a high near 81.

Friday Night

A chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Saturday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

Saturday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.

Sunday

Showers likely, mainly after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

Sunday Night

Showers likely. Mostly clear, with a low around 59. Chance of precipitation is 60%.

Monday

Sunny, with a high near 77.

Monday Night

Mostly clear, with a low around 58.

Tuesday

Mostly sunny, with a high near 79.