One product issued by NWS for: Altoona PA
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service State College PA 359 AM EDT Tue Jul 21 2026 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-220800- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin- Juniata-Somerset-Bedford-Fulton-Franklin-Tioga-Northern Lycoming- Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland- Adams-York-Lancaster- 359 AM EDT Tue Jul 21 2026 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Scattered to numerous severe thunderstorms with damaging winds 60 mph or greater are expected this afternoon through the evening. A few tornadoes and large hail exceeding 1 inch in diameter are also possible. Some of the storms may produce torrential downpours that could result in widely scattered areas of flash flooding. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. $$ MRS