Custer County, Montana: tornado and severe weather warnings
Nothing is in effect for Custer County as of 3:37 PM MDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
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.
The last 12 months in Custer County
- 0 tornado warnings
- 18 severe thunderstorm warnings
- 0 flash flood warnings
- 0 tornado watches
- 9 severe thunderstorm watches
No tornado warning has included Custer County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 2, 2026 | 6:46 PM MDT | Severe thunderstorm warning | BYZ | text |
| Aug 18, 2026 | 4:27 PM MDT | Severe thunderstorm warning | BYZ | text |
| Aug 18, 2026 | 3:52 PM MDT | Severe thunderstorm warning | BYZ | text |
| Aug 18, 2026 | 3:04 PM MDT | Severe thunderstorm warning | BYZ | text |
| Aug 17, 2026 | 7:03 PM MDT | Severe thunderstorm warning | BYZ | text |
| Aug 17, 2026 | 6:25 PM MDT | Severe thunderstorm warning | BYZ | text |
| Aug 17, 2026 | 5:16 PM MDT | Severe thunderstorm warning | BYZ | text |
| Jul 3, 2026 | 4:52 PM MDT | Severe thunderstorm warning | BYZ | text |
| Jul 2, 2026 | 9:11 PM MDT | Severe thunderstorm warning | BYZ | text |
| Jun 27, 2026 | 5:25 PM MDT | Severe thunderstorm warning | BYZ | text |
| Jun 27, 2026 | 5:08 PM MDT | Severe thunderstorm warning | BYZ | text |
| Jun 27, 2026 | 4:52 PM MDT | Severe thunderstorm warning | BYZ | 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.
Nearby
- Prairie County, MT
- Rosebud County, MT
- Fallon County, MT
- Powder River County, MT
- Carter County, MT
- Dawson County, MT
- Wibaux County, MT
- Treasure County, MT
- All of Montana
What the alerts mean
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.