Hurricanes and Tornadoes That Hit Hollidaysburg, PA

The nearest NOAA station with 1991–2020 climate normals is Altoona 7 SW, PA, 3 miles southwest of Hollidaysburg at 1,180 feet. July is the warmest, with an average high of 83°F and low of 62°F; January is the coolest, at 36°F and 20°F. September is the wettest at 4.4 inches of precipitation on average and February the driest at 2.4 inches; the year adds up to 41.8 inches over 86 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (22.5 of 41.8 inches); the other six months are drier. Highs reach 90°F on about 10 days a year, almost all from June to September. Lows fall below freezing on about 127 nights a year. Snowfall averages 38.0 inches a year, most of it in January and February. That 41.8 inches is more than at 31 of the 148 Pennsylvania stations used on this site (21%). Altoona, 5 miles north, has its own station (Altoona 3 W, PA): 44.7 inches a year, 2.9 more than here, and a July average high of 81°F against 83°F.

Since 1996, the National Weather Service has logged 169 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Hollidaysburg: 144 thunderstorm wind reports, 15 flash floods and 10 floods. None is recorded as killing or injuring anyone; the NWS estimated $623,000 in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on March 16, 2025. June has had the most flash floods, 6 of 15. Of the 788 Pennsylvania cities on this site with a flash flood on record, 267 have had fewer than Hollidaysburg.

Flood insurance policyholders in Hollidaysburg's ZIP code 16648 have filed 383 claims with the National Flood Insurance Program since 1978, and were paid $3.5 million for buildings and contents, in the dollars of each year. The most came from Flooding in 1996: 110 claims (29% of all) and $1.0 million, then Tropical Storm Ivan in 2004 with 41 and Hurricane Ida in 2021 with 10. 44% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 553 Pennsylvania cities on this site with 10 or more claims, 514 have fewer than Hollidaysburg.