开始于: 2026-05-01, 10:12
到: 2026-05-01, 18:15

* WHAT...Temperatures as low as the lower to middle 30s will result in frost formation. * WHERE...Portions of northwest Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.