Alert archive / South Dakota / Custer County / 2026
Weather alerts in Custer County, South Dakota, May 2026
23 weather alerts in May 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 23
- Warnings
- 7
- Watches
- 2
- Advisories
- 3
- Busiest day
- May 30, 20267 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 3, 3:00 PM MDT | Special Weather Statement | UNR | 30 min |
| May 3, 3:31 PM MDT | Special Weather Statement | UNR | 29 min |
| May 3, 3:48 PM MDT | Special Weather Statement | UNR | 27 min |
| May 8, 12:49 PM MDT | Frost Advisory | UNR | 65 min |
| May 10, 1:57 AM MDT | Fire Weather Watch | UNR | 20 hr |
| May 10, 12:08 PM MDT | Red Flag Warning | UNR | 32 hr |
| May 12, 1:19 PM MDT | Red Flag Warning | UNR | 56 hr |
| May 13, 9:12 PM MDT | Special Weather Statement | UNR | 48 min |
| May 18, 11:40 AM MDT | Freeze Warning | UNR | 21 hr |
| May 19, 11:46 AM MDT | Frost Advisory | UNR | 19 hr |
| May 21, 1:50 PM MDT | Special Weather Statement | UNR | 25 min |
| May 21, 11:57 PM MDT | Wind Advisory | UNR | 14 hr |
| May 30, 1:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 30, 2:33 PM MDT | Special Weather Statement | UNR | 27 min |
| May 30, 2:40 PM MDT | Severe Thunderstorm Warning | UNR | 18 min |
| May 30, 3:30 PM MDT | Special Weather Statement | UNR | 30 min |
| May 30, 5:13 PM MDT | Severe Thunderstorm Warning | UNR | 47 min |
| May 30, 5:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| May 30, 7:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| May 31, 12:48 PM MDT | Special Weather Statement | UNR | 27 min |
| May 31, 12:58 PM MDT | Severe Thunderstorm Warning | UNR | 32 min |
| May 31, 1:28 PM MDT | Severe Thunderstorm Warning | UNR | 16 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 8 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.