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Information on the severe weather that occurred on Saturday, July 18th, 2026

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

67°F

19°C

Humidity	97%
Wind Speed	W 3 mph
Barometer	30.13 in (1020.1 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	15 Aug 3:56 am EDT

More Information:

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

Extended Forecast for

Lower Allen PA

Today
High: 87 °F
Sunny
Tonight
Low: 70 °F
Increasing
Clouds
Sunday
High: 80 °F
Showers
Sunday Night
Low: 71 °F
Showers
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 87. Calm wind.

Tonight

Increasing clouds, with a low around 70. Light east wind.

Sunday

Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 80. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday Night

Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 71. Southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Mostly sunny, with a high near 87. Northwest wind 6 to 8 mph.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 84.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 86.

Wednesday Night

A chance of showers before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 40%.