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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

81°F

27°C

Humidity	51%
Wind Speed	Vrbl 5 mph
Barometer	30.19 in (1022.2 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	15 Aug 11:56 am EDT

More Information:

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

Extended Forecast for

3 Miles SE Mechanicsburg PA

This Afternoon
High: 85 °F
Sunny
Tonight
Low: 69 °F
Mostly Cloudy
Sunday
High: 79 °F
Showers
Sunday Night
Low: 70 °F
Showers
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 83 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 85. Calm wind.

Tonight

Mostly cloudy, with a low around 69. Light southeast wind.

Sunday

Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 79. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday Night

Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am. Low around 70. South wind 6 to 9 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 85. Northwest wind around 8 mph.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 85.

Wednesday Night

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