开始于: 2026-05-01, 14:39
到: 2026-05-01, 23:30

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.