Weather Alerts For Upper Sandusky, OH
Frost Advisory
-# HEADLINE -------------------- FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT TUESDAY # DETAILS -------------------- WHAT Temperatures as low as 33 will result in frost formation. WHERE Portions of north central, northeast, and northwest Ohio and northwest Pennsylvania. WHEN From midnight tonight to 8 AM EDT Tuesday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ADDITIONAL DETAILS Frost will be more widespread in Northeast Ohio where low temperatures will be coldest. ISSUED AT Monday, May 11, 2026 at 8:26 PM EDT ISSUED BY National Weather Service Cleveland OH HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Hancock, Richland, Ashland, Ashtabula Lakeshore, Crawford, Cuyahoga, Erie, Geauga, Holmes, Huron, Knox, Lake, Lorain, Lucas, Marion, Medina, Morrow, Northern Erie, Ottawa, Portage, Sandusky, Seneca, Stark, Summit, Wayne, Wood, Wyandot Including the cities of Marion, Cleveland, Norwalk, Willoughby, Wooster, Orrville, Streetsboro, Crestline, Chardon, Port Clinton, Mentor, Fremont, Oak Harbor, Brunswick, Kent, Ashland, Tiffin, Bowling Green, Mansfield, Avon Lake, Painesville, Fostoria, Chesterland, Findlay, Mount Gilead, Genoa, Burton, Killbuck, Cardington, North Ridgeville, Aurora, Ravenna, Middlefield, Medina, Upper Sandusky, Rittman, Alliance, Mount Vernon, Canton, Wadsworth, South Russell, Akron, Willowick, Huron, Elyria, Millersburg, Clyde, Perrysburg, Sandusky, Wickliffe, Eastlake, Geneva, Toledo, Galion, Willard, Lorain, Bainbridge, Ashtabula, Erie, Bucyrus, Carey, Massillon, Bellevue, and Conneaut
Pollen Alert
-Pollen Index: 9.7 Pollen Level: high Predominant Pollen: Mulberry, Oak and Birch. Concentration of pollen grains in the air for Tuesday will be unchanged in the high range. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.
