WWA for Knox County* WHAT…Sub-freezing temperatures as low as 24 expected.
* WHERE…Portions of north central, northeast, and northwest Ohio
and northwest Pennsylvania.
* WHEN…From 11 PM this evening to 11 AM EDT Monday.
* IMPACTS…Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.* WHAT…Sub-freezing temperatures as low as 24 expected.
* WHERE…Portions of north central, northeast, and northwest Ohio
and northwest Pennsylvania.
* WHEN…From 11 PM this evening to 11 AM EDT Monday.
* IMPACTS…Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.12:49 amApril 19, 2026