Active Weather Alerts
Frost Advisory
Issued: 1:17 AM May. 20, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central, south central, and southeast South Dakota. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
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