St. Raymonds School, PA Weather Maps
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02
Issued: 207 AM EDT Sat Aug 15 2026
1. High pressure builds through the region today.
2. Unsettled weather returns Sunday into Monday.
... KEY MESSAGE 1...High pressure builds through the region today.
Broad high pressure is centered over central Canada north of the Great Lakes with a second center over western New York and western Pennsylvania. High pressure builds east today, and one center of the high will be along the Canada/New York border with the second center offshore, east of New Jersey and south of Lon...