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

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

79°F

26°C

Humidity	56%
Wind Speed	Calm
Barometer	30.19 in (1022.1 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	15 Aug 10:53 am EDT

More Information:

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

Extended Forecast for

Hallam PA

Today
High: 86 °F
Sunny
Tonight
Low: 69 °F
Mostly Cloudy
Sunday
High: 81 °F
Heavy Rain
Sunday Night
Low: 70 °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: 87 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 86. North wind 3 to 5 mph.

Tonight

Mostly cloudy, with a low around 69. Calm wind becoming southeast around 5 mph after midnight.

Sunday

Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. High near 81. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 70. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Mostly sunny, with a high near 87. Northwest wind 8 to 10 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 87.

Wednesday Night

A chance of showers before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.