* WHAT...Sub-freezing temperatures as low as 30 degrees expected. Widespread frost. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...From 2 AM EDT /1 AM CDT/ to 9 AM EDT /8 AM CDT/ Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. [...]
