Custer County weather alerts
There are no active weather alerts for Custer County, SD right now.
Since 2016 the National Weather Service has issued about 728 alerts that included Custer County, roughly 73 a year. The most common is the severe thunderstorm warning (466 from 2016 to 2025). The last tornado warning was issued on August 26, 2024. 13 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Custer County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Fall River County, Pennington County, Niobrara County, Weston County.
Custer County alert history
Alert events that included Custer County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 466 | 54 | September 7, 2026 |
| Severe Thunderstorm Watch | 115 | 14 | August 27, 2026 |
| Red Flag Warning | 59 | 22 | October 9, 2026 |
| Fire Weather Watch | 36 | 10 | October 9, 2026 |
| Flood Advisory | 15 | 0 | August 26, 2022 |
| Flood Warning | 12 | 0 | September 14, 2023 |
| Flash Flood Warning | 9 | 1 | June 2, 2026 |
| Tornado Warning | 8 | 0 | August 26, 2024 |
| Tornado Watch | 7 | 0 | June 23, 2023 |
| Snow Squall Warning | 1 | 0 | February 8, 2025 |
Tornado history in Custer County
13 tornadoes have been recorded in Custer County since 1950. That ranks 62 of 66 counties in South Dakota. The most recent was on May 23, 2021 (rated EF1).
Strongest tornadoes in Custer County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 22, 1961 | F2 | Custer County | 0.1 mi | 10 yd | 0 | 0 |
| June 11, 1965 | F2 | Custer County | 0.1 mi | 10 yd | 0 | 0 |
| June 22, 1966 | F2 | Custer County | 0.1 mi | 200 yd | 0 | 0 |
| May 23, 2021 | EF1 | Custer County | 6.6 mi | 20 yd | 0 | 0 |
| May 23, 2021 | EF1 | Custer County | 5.9 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 23, 2021 | EF1 | Custer County | 5.9 mi | 10 yd | 0 | 0 |
| May 23, 2021 | EF1 | Custer County | 6.6 mi | 20 yd | 0 | 0 |
| August 30, 2013 | EF0 | Custer County | 0 mi | 10 yd | 0 | 0 |
| June 7, 2012 | EF1 | Custer County | 0.1 mi | 20 yd | 0 | 0 |
| July 7, 2001 | F0 | Custer County | 1 mi | 25 yd | 0 | 0 |
About Custer County
- Population: 9,330 (2024 estimate)
- State: South Dakota
- NOAA Weather Radio SAME code: 046033 (how to use it)