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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

70°F

21°C

Humidity	82%
Wind Speed	Calm
Barometer	30.17 in (1021.6 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	15 Aug 7:56 am EDT

More Information:

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

Extended Forecast for

5 Miles SSW Duncannon PA

Today
High: 85 °F
Sunny
Tonight
Low: 68 °F
Mostly Cloudy
Sunday
High: 78 °F
Showers
Sunday Night
Low: 69 °F
Showers
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 85. Calm wind.

Tonight

Mostly cloudy, with a low around 68. Light southeast wind.

Sunday

Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 78. South wind 7 to 9 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. Low around 69. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Mostly sunny, with a high near 85. Northwest wind around 7 mph.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Sunny, with a high near 82.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 84.

Wednesday Night

A chance of showers before 2am. Partly cloudy, with a low around 67. Chance of precipitation is 40%.