Alert archive / South Dakota / Custer County / 2026

Weather alerts in Custer County, South Dakota, August 2026

41 weather alerts in August 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
41
Warnings
19
Watches
5
Advisories
1
Busiest day
August 12, 20268 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.

IssuedProductOfficeLasted
Aug 1, 2:16 AM MDTHeat AdvisoryUNR42 hr
Aug 2, 11:19 AM MDTRed Flag WarningUNR33 hr
Aug 5, 11:13 AM MDTRed Flag WarningUNR33 hr
Aug 10, 1:14 AM MDTRed Flag WarningUNR19 hr
Aug 10, 4:39 PM MDTMesoscale DiscussionSPC2 hr
Aug 10, 4:43 PM MDTSpecial Weather StatementUNR32 min
Aug 10, 4:49 PM MDTSevere Thunderstorm WarningUNR39 min
Aug 11, 1:13 PM MDTMesoscale DiscussionSPC2 hr
Aug 11, 1:43 PM MDTSevere Thunderstorm WatchSPC8 hr
Aug 11, 3:00 PM MDTSevere Thunderstorm Warning Destructive damage threatUNR60 min
Aug 11, 4:04 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR56 min
Aug 11, 4:48 PM MDTMesoscale DiscussionSPC87 min
Aug 11, 4:56 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR38 min
Aug 11, 5:06 PM MDTSevere Thunderstorm WarningUNR18 min
Aug 11, 6:31 PM MDTSevere Thunderstorm WarningUNR24 min
Aug 12, 12:45 PM MDTMesoscale DiscussionSPC2 hr
Aug 12, 1:06 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 12, 2:26 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR49 min
Aug 12, 3:14 PM MDTSevere Thunderstorm WarningUNR46 min
Aug 12, 3:57 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR33 min
Aug 12, 4:27 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR33 min
Aug 12, 4:34 PM MDTMesoscale DiscussionSPC116 min
Aug 16, 1:03 PM MDTMesoscale DiscussionSPC117 min
Aug 16, 4:58 PM MDTSevere Thunderstorm WarningUNR47 min
Aug 17, 3:00 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 18, 8:05 PM MDTSevere Thunderstorm WarningUNR32 min
Aug 21, 2:24 PM MDTSpecial Weather StatementUNR36 min
Aug 21, 2:53 PM MDTSpecial Weather StatementUNR52 min
Aug 21, 3:13 PM MDTSevere Thunderstorm WarningUNR62 min
Aug 21, 3:38 PM MDTMesoscale DiscussionSPC3 hr
Aug 23, 1:24 PM MDTMesoscale DiscussionSPC2 hr
Aug 23, 2:40 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 23, 2:56 PM MDTSpecial Weather StatementUNR34 min
Aug 23, 3:06 PM MDTSevere Thunderstorm WarningUNR54 min
Aug 23, 3:57 PM MDTSpecial Weather StatementUNR33 min
Aug 23, 4:20 PM MDTSevere Thunderstorm WarningUNR18 min
Aug 27, 12:43 PM MDTMesoscale DiscussionSPC2 hr
Aug 27, 12:44 PM MDTSpecial Weather StatementUNR31 min
Aug 27, 1:47 PM MDTSpecial Weather StatementUNR28 min
Aug 27, 2:12 PM MDTSevere Thunderstorm WatchSPC9 hr
Aug 29, 4:38 PM MDTSevere Thunderstorm WarningUNR67 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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.