Frost Advisory
FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
Take steps now to protect tender plants from the cold.
A frost advisory is in effect for Custer County as of 4:38 PM CDT.
Open the live map on Custer County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Custer County. Tap your own street on it for times that apply to you.
FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
Take steps now to protect tender plants from the cold.
No tornado warning has included Custer County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Oct 14, 2026 | 8:34 AM CDT | Flash flood warning | OUN | text |
| Oct 14, 2026 | 7:21 AM CDT | Flash flood warning | OUN | text |
| Oct 14, 2026 | 4:35 AM CDT | Flash flood warning | OUN | text |
| Oct 14, 2026 | 12:34 AM CDT | Flash flood warning | OUN | text |
| Oct 14, 2026 | 12:26 AM CDT | Severe thunderstorm warning | OUN | text |
| Sep 30, 2026 | 10:32 PM CDT | Flash flood warning | OUN | text |
| Jul 12, 2026 | 9:41 AM CDT | Flash flood warning | OUN | text |
| Jul 12, 2026 | 8:57 AM CDT | Severe thunderstorm warning | OUN | text |
| Jul 12, 2026 | 8:29 AM CDT | Severe thunderstorm warning | OUN | text |
| Jul 12, 2026 | 7:55 AM CDT | Severe thunderstorm warning | OUN | text |
| Jul 12, 2026 | 7:47 AM CDT | Flash flood warning | OUN | text |
| Jul 11, 2026 | 7:44 PM CDT | Flash flood warning | OUN | text |
A warning counts here if the Weather Service listed Custer County in it, even if the warned area covered only part of the county.
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.