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Pennsylvania weather alerts now

1 active alerts from the National Weather Service as of 2026-10-21 19:25 UTC.

EventSeverityAreasUntil
Frost Advisory
Frost Advisory issued October 21 at 11:57AM EDT until October 22 at 9:00AM EDT by NWS Pittsburgh PA
Minor
Expected
Tuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Belmont; Noble; Monroe; Beaver; Allegheny; Washington; Greene; Westmoreland; Fayette; Hancock; Brooke; Ohio; Marsh2026-10-22 09:00

Other states: AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PR RI SC SD TN TX UT VT VA WA WV WI WY

For software and AI agents: the same feed as JSON per call, no account: GET https://store.agentexchange.work/gw/signals/alerts?area=PA (0.002 USD). Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Source: NOAA National Weather Service api.weather.gov (public domain). For life-safety decisions use weather.gov and local authorities. Agent Exchange