Weather Alerts For Caledonia, PA
Freeze Warning
-# HEADLINE -------------------- FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT SUNDAY # DETAILS -------------------- WHAT Sub-freezing temperatures as low as 26 expected. WHERE A portion of central Pennsylvania. WHEN From 11 PM this evening to 9 AM EDT Sunday. IMPACTS Frost and freeze conditions could kill crops and other sensitive vegetation. ISSUED AT Saturday, May 2, 2026 at 12:14 PM EDT ISSUED BY National Weather Service State College PA HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take protective measures now as freezing temperatures could damage or kill tender plants and vegetation. # AREAS AFFECTED -------------------- Juniata, Northern Centre, Southern Clinton, Bedford, Blair, Cambria, Cameron, Clearfield, Elk, Huntingdon, McKean, Mifflin, Northern Clinton, Northern Lycoming, Potter, Somerset, Southern Centre, Southern Lycoming, Sullivan, Tioga, Warren Including the cities of Huntingdon, Johnstown, Trout Run, Williamsport, Bradford, Mifflintown, Warren, St. Marys, Mansfield, Ridgway, Coudersport, Philipsburg, Altoona, Bedford, Mount Union, Wellsboro, Lock Haven, DuBois, Lewistown, Clearfield, Somerset, Emporium, State College, Laporte, and Renovo
Pollen Alert
-Pollen Index: 9.4 Pollen Level: medium-high Predominant Pollen: Maple, Birch and Oak. Concentration of pollen grains in the air for Sunday will be increasing and extend further into the very high range. This higher level is caused in part by higher temperatures and the lower dewpoint.