Alert archive / South Dakota / Gregory County

Weather alerts in Gregory County, South Dakota, 2026

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

Gregory County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
118
Warnings
45
Watches
24
Advisories
27
Busiest month
July21 alerts
Busiest day
September 1, 20269 alerts

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 2, 2:27 AM CSTWinter Weather AdvisoryFSD16 hr
Jan 4, 3:45 AM CSTDense Fog AdvisoryFSD4 hr
Jan 14, 2:31 AM CSTHigh Wind WatchFSD35 hr
Jan 15, 2:56 AM CSTWind AdvisoryFSD21 hr
Jan 15, 1:59 PM CSTHigh Wind WarningFSD28 hr
Jan 15, 1:59 PM CSTWinter Weather AdvisoryFSD34 hr
Jan 17, 2:21 PM CSTWinter Weather AdvisoryFSD34 hr
Jan 20, 1:23 PM CSTExtreme Cold WatchFSD37 hr
Jan 20, 1:23 PM CSTWind AdvisoryFSD21 hr
Jan 21, 10:42 AM CSTHigh Wind WarningFSD7 hr
Jan 22, 2:28 AM CSTCold Weather AdvisoryFSD37 hr
Jan 23, 2:17 AM CSTCold Weather AdvisoryFSD31 hr
Jan 25, 2:13 AM CSTCold Weather AdvisoryFSD32 hr
Feb 14, 12:10 AM CSTFire Weather WatchFSD20 hr
Feb 14, 8:31 PM CSTRed Flag WarningFSD21 hr
Feb 17, 2:43 AM CSTWind AdvisoryFSD36 hr
Feb 17, 2:38 PM CSTFire Weather WatchFSD7 hr
Feb 17, 10:06 PM CSTRed Flag WarningFSD20 hr
Feb 18, 12:59 PM CSTWinter Weather AdvisoryFSD35 hr
Feb 26, 1:24 PM CSTFire Weather WatchFSD8 hr
Feb 26, 9:28 PM CSTRed Flag WarningFSD21 hr
Mar 3, 11:43 PM CSTDense Fog AdvisoryFSD8 hr
Mar 5, 1:55 PM CSTWinter Weather AdvisoryFSD41 hr
Mar 10, 11:57 PM CDTHigh Wind WatchFSD21 hr
Mar 11, 12:01 AM CDTFire Weather WatchFSD21 hr
Mar 11, 1:59 PM CDTHigh Wind WarningFSD41 hr
Mar 11, 8:50 PM CDTRed Flag WarningFSD23 hr
Mar 12, 2:35 PM CDTWinter Storm WatchFSD47 hr
Mar 13, 9:20 PM CDTBlizzard WarningFSD56 hr
Mar 14, 1:11 PM CDTHigh Wind WarningFSD36 hr
Mar 15, 2:31 PM CDTWinter Weather AdvisoryFSD10 hr
Mar 20, 12:00 PM CDTRed Flag WarningFSD34 hr
Mar 26, 1:57 PM CDTFire Weather WatchFSD21 hr
Mar 27, 11:17 AM CDTRed Flag WarningFSD34 hr
Apr 11, 1:52 PM CDTRed Flag WarningFSD29 hr
Apr 14, 11:20 PM CDTFire Weather WatchFSD13 hr
Apr 15, 12:28 PM CDTRed Flag WarningFSD32 hr
Apr 21, 1:38 AM CDTFire Weather WatchFSD11 hr
Apr 21, 12:54 PM CDTRed Flag WarningFSD31 hr
Apr 22, 7:06 PM CDTMesoscale DiscussionSPC3 hr
Apr 23, 2:13 AM CDTRed Flag WarningFSD18 hr
Apr 30, 1:36 PM CDTFrost AdvisoryFSD18 hr
May 1, 1:06 PM CDTFreeze WarningFSD19 hr
May 5, 1:19 PM CDTFrost AdvisoryFSD18 hr
May 11, 3:07 PM CDTRed Flag WarningFSD30 hr
May 17, 11:58 AM CDTMesoscale DiscussionSPC92 min
May 17, 1:09 PM CDTSevere Thunderstorm WarningFSD51 min
May 17, 1:11 PM CDTMesoscale DiscussionSPC2 hr
May 17, 1:42 PM CDTTornado WatchSPC8 hr
May 17, 2:10 PM CDTSevere Thunderstorm WarningFSD50 min
May 19, 2:43 AM CDTFrost AdvisoryFSD29 hr
May 24, 3:34 PM CDTMesoscale DiscussionSPC86 min
May 24, 4:53 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 3, 4:02 PM CDTTornado WatchSPC7 hr
Jun 3, 6:16 PM CDTMesoscale DiscussionSPC89 min
Jun 3, 7:56 PM CDTSevere Thunderstorm WarningFSD49 min
Jun 3, 8:09 PM CDTMesoscale DiscussionSPC96 min
Jun 3, 8:16 PM CDTSevere Thunderstorm WarningFSD29 min
Jun 3, 8:34 PM CDTSevere Thunderstorm WarningFSD41 min
Jun 4, 3:12 PM CDTMesoscale DiscussionSPC93 min
Jun 4, 5:25 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 4, 9:47 PM CDTMesoscale DiscussionSPC118 min
Jun 4, 11:39 PM CDTMesoscale DiscussionSPC96 min
Jun 9, 4:32 PM CDTTornado WatchSPC8 hr
Jun 9, 10:15 PM CDTSevere Thunderstorm Warning Considerable damage threatFSD45 min
Jun 9, 10:55 PM CDTSevere Thunderstorm Warning Considerable damage threatFSD50 min
Jun 9, 11:43 PM CDTHigh Wind WarningFSD103 min
Jun 16, 12:40 PM CDTWind AdvisoryFSD31 hr
Jun 27, 10:38 PM CDTMesoscale DiscussionSPC2 hr
Jun 27, 11:29 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 28, 12:23 AM CDTSevere Thunderstorm WarningFSD67 min
Jun 28, 1:24 AM CDTSevere Thunderstorm Warning Considerable damage threatFSD81 min
Jun 29, 4:01 AM CDTDense Fog AdvisoryFSD3 hr
Jul 1, 12:03 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 1, 1:28 AM CDTMesoscale DiscussionSPC92 min
Jul 1, 1:52 AM CDTSevere Thunderstorm Warning Considerable damage threatFSD38 min
Jul 2, 6:08 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 7, 4:27 AM CDTSevere Thunderstorm WarningFSD32 min
Jul 17, 1:31 AM CDTHeat AdvisoryFSD19 hr
Jul 18, 1:34 PM CDTHeat AdvisoryFSD31 hr
Jul 19, 1:05 PM CDTHeat AdvisoryFSD31 hr
Jul 19, 7:08 PM CDTMesoscale DiscussionSPC2 hr
Jul 19, 8:04 PM CDTSevere Thunderstorm WarningFSD41 min
Jul 19, 8:33 PM CDTSevere Thunderstorm WarningFSD27 min
Jul 24, 11:23 AM CDTHeat AdvisoryFSD29 hr
Jul 24, 11:24 PM CDTExtreme Heat WarningFSD46 hr
Jul 25, 2:15 PM CDTMesoscale DiscussionSPC90 min
Jul 25, 3:36 PM CDTSevere Thunderstorm Watch PDSSPC7 hr
Jul 25, 5:42 PM CDTSevere Thunderstorm WarningFSD48 min
Jul 25, 6:02 PM CDTMesoscale DiscussionSPC118 min
Jul 26, 12:39 PM CDTHeat AdvisoryFSD31 hr
Jul 26, 5:16 PM CDTMesoscale DiscussionSPC119 min
Jul 29, 11:40 PM CDTMesoscale DiscussionSPC2 hr
Jul 30, 1:44 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 7, 2:22 AM CDTSevere Thunderstorm WarningFSD28 min
Aug 10, 5:39 PM CDTMesoscale DiscussionSPC2 hr
Aug 11, 10:00 PM CDTMesoscale DiscussionSPC90 min
Aug 11, 10:24 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 12, 1:02 AM CDTMesoscale DiscussionSPC88 min
Aug 17, 11:07 PM CDTSevere Thunderstorm WarningFSD38 min
Aug 18, 2:24 AM CDTSevere Thunderstorm WarningFSD32 min
Aug 23, 11:31 PM CDTSevere Thunderstorm WarningFSD44 min
Sep 1, 3:17 PM CDTMesoscale DiscussionSPC118 min
Sep 1, 3:50 PM CDTSevere Thunderstorm WatchSPC9 hr
Sep 1, 4:06 PM CDTSevere Thunderstorm WarningFSD23 min
Sep 1, 4:15 PM CDTSevere Thunderstorm WarningFSD45 min
Sep 1, 4:56 PM CDTSevere Thunderstorm Warning Considerable damage threatFSD49 min
Sep 1, 5:07 PM CDTSevere Thunderstorm Warning Destructive damage threatFSD38 min
Sep 1, 5:16 PM CDTSevere Thunderstorm WarningFSD44 min
Sep 1, 5:50 PM CDTSevere Thunderstorm Warning Considerable damage threatFSD40 min
Sep 1, 6:26 PM CDTMesoscale DiscussionSPC2 hr
Sep 7, 6:14 PM CDTSevere Thunderstorm WarningFSD46 min
Sep 7, 6:29 PM CDTMesoscale DiscussionSPC91 min
Sep 7, 7:07 PM CDTSevere Thunderstorm WatchSPC7 hr
Sep 7, 7:37 PM CDTTornado WarningFSD38 min
Sep 17, 1:27 AM CDTDense Fog AdvisoryFSD10 hr
Sep 27, 1:30 AM CDTDense Fog AdvisoryFSD10 hr
Sep 30, 1:43 AM CDTDense Fog AdvisoryFSD8 hr

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning25
Tornado Warning1
Severe Thunderstorm Watch10
Tornado Watch3
Mesoscale Discussion22
Winter
Blizzard Warning1
Winter Storm Watch1
Winter Weather Advisory6
Heat
Extreme Heat Warning1
Heat Advisory5
Cold
Freeze Warning1
Extreme Cold Watch1
Cold Weather Advisory3
Frost Advisory3
Wind and dust
High Wind Warning5
High Wind Watch2
Wind Advisory4
Fire
Red Flag Warning11
Fire Weather Watch7
Fog and smoke
Dense Fog Advisory6

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 1, 20269alerts
  2. June 4, 20266alerts
  3. May 17, 20265alerts
  4. July 25, 20265alerts
  5. June 28, 20264alerts
  6. January 15, 20263alerts
  7. March 11, 20263alerts
  8. June 10, 20263alerts
  9. July 1, 20263alerts
  10. July 20, 20263alerts

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.