Alert archive / North Dakota / Sioux County

Weather alerts in Sioux County, North Dakota, 2026

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

Sioux County and its neighbors

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

Alerts: 108
Warnings: 36
Watches: 16
Advisories: 22
Busiest month: June34 alerts
Busiest day: June 8, 20266 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.

Issued	Product	Office	Lasted
Mar 12, 2:13 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 21, 1:19 PM CDT	Fire Weather Watch	BIS	14 hr
Apr 22, 3:15 AM CDT	Red Flag Warning	BIS	21 hr
Apr 22, 1:09 PM CDT	Wind Advisory	BIS	33 hr
May 8, 2:58 AM CDT	Red Flag Warning	BIS	19 hr
May 9, 11:39 AM CDT	Frost Advisory	BIS	21 hr
May 10, 1:34 AM CDT	Fire Weather Watch	BIS	23 hr
May 11, 12:51 AM CDT	Red Flag Warning	BIS	21 hr
May 12, 1:28 PM CDT	Red Flag Warning	BIS	33 hr
May 13, 1:28 AM CDT	Fire Weather Watch	BIS	21 hr
May 13, 1:47 PM CDT	Wind Advisory	BIS	55 hr
May 13, 2:02 PM CDT	Red Flag Warning	BIS	55 hr
May 18, 12:34 PM CDT	Frost Advisory	BIS	20 hr
May 19, 11:35 AM CDT	Frost Advisory	BIS	21 hr
May 24, 7:38 PM CDT	Special Weather Statement	BIS	37 min
May 24, 8:13 PM CDT	Special Weather Statement	BIS	32 min
May 29, 12:23 PM CDT	Wind Advisory	BIS	9 hr
Jun 2, 11:59 AM CDT	Mesoscale Discussion	SPC	91 min
Jun 2, 1:44 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 2, 3:04 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 2, 6:01 PM CDT	Special Weather Statement	ABR	14 min
Jun 2, 6:10 PM CDT	Special Weather Statement	BIS	35 min
Jun 6, 1:36 AM CDT	Wind Advisory	BIS	22 hr
Jun 7, 1:17 AM CDT	Wind Advisory	BIS	19 hr
Jun 7, 2:50 PM CDT	Mesoscale Discussion	SPC	115 min
Jun 7, 3:58 PM CDT	Severe Thunderstorm Watch PDS	SPC	11 hr
Jun 7, 8:12 PM CDT	Severe Thunderstorm Warning	BIS	33 min
Jun 7, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	64 min
Jun 7, 9:01 PM CDT	Mesoscale Discussion	SPC	89 min
Jun 7, 9:38 PM CDT	Severe Thunderstorm Warning	BIS	82 min
Jun 7, 11:08 PM CDT	Mesoscale Discussion	SPC	97 min
Jun 8, 12:11 AM CDT	Special Weather Statement	BIS	49 min
Jun 9, 2:13 PM CDT	Mesoscale Discussion	SPC	3 hr
Jun 9, 4:32 PM CDT	Tornado Watch	SPC	8 hr
Jun 9, 5:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	61 min
Jun 9, 6:57 PM CDT	Severe Thunderstorm Warning	BIS	33 min
Jun 9, 7:18 PM CDT	Mesoscale Discussion	SPC	117 min
Jun 9, 7:28 PM CDT	Severe Thunderstorm Warning	BIS	32 min
Jun 9, 8:29 PM CDT	Severe Thunderstorm Warning	BIS	45 min
Jun 15, 12:46 PM CDT	Mesoscale Discussion	SPC	119 min
Jun 16, 12:15 PM CDT	Wind Advisory	BIS	31 hr
Jun 27, 1:22 AM CDT	Severe Thunderstorm Warning	BIS	36 min
Jun 27, 4:06 AM CDT	Wind Advisory	BIS	11 hr
Jun 27, 2:19 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 27, 4:05 PM CDT	Tornado Watch	SPC	11 hr
Jun 27, 8:25 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 27, 8:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	62 min
Jun 27, 9:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	62 min
Jun 27, 10:27 PM CDT	Severe Thunderstorm Warning	BIS	63 min
Jun 29, 2:00 PM CDT	Tornado Watch	SPC	10 hr
Jun 30, 2:18 AM CDT	Wind Advisory	BIS	15 hr
Jul 2, 5:53 AM CDT	Special Weather Statement	BIS	52 min
Jul 2, 6:39 AM CDT	Severe Thunderstorm Warning	BIS	51 min
Jul 2, 6:07 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 2, 9:17 PM CDT	Mesoscale Discussion	SPC	118 min
Jul 3, 4:23 PM CDT	Severe Thunderstorm Warning	BIS	44 min
Jul 3, 4:49 PM CDT	Severe Thunderstorm Warning	BIS	41 min
Jul 9, 2:04 AM CDT	Extreme Heat Watch	BIS	24 hr
Jul 9, 3:58 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 9, 5:27 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 9, 5:56 PM CDT	Severe Thunderstorm Warning	BIS	46 min
Jul 9, 6:22 PM CDT	Severe Thunderstorm Warning	BIS	53 min
Jul 10, 2:02 AM CDT	Extreme Heat Warning	BIS	5 days
Jul 14, 12:53 PM CDT	Heat Advisory	BIS	57 hr
Jul 18, 12:42 PM CDT	Heat Advisory	BIS	32 hr
Jul 19, 3:55 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 19, 4:26 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 19, 6:15 PM CDT	Severe Thunderstorm Warning	BIS	60 min
Jul 19, 6:48 PM CDT	Mesoscale Discussion	SPC	117 min
Jul 20, 2:20 AM CDT	Red Flag Warning	BIS	19 hr
Jul 24, 11:03 AM CDT	Heat Advisory	BIS	58 hr
Jul 24, 3:55 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 29, 1:46 AM CDT	Heat Advisory	BIS	18 hr
Jul 29, 2:52 PM CDT	Mesoscale Discussion	SPC	113 min
Aug 2, 2:21 AM CDT	Heat Advisory	BIS	18 hr
Aug 2, 2:52 AM CDT	Red Flag Warning	BIS	42 hr
Aug 3, 5:25 AM CDT	Mesoscale Discussion	SPC	2 hr
Aug 8, 7:08 PM CDT	Mesoscale Discussion	SPC	97 min
Aug 8, 10:47 PM CDT	Mesoscale Discussion	SPC	118 min
Aug 10, 6:15 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 10, 10:30 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 11, 12:18 AM CDT	Severe Thunderstorm Warning	BIS	42 min
Aug 11, 5:18 PM CDT	Mesoscale Discussion	SPC	87 min
Aug 11, 5:40 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 11, 7:58 PM CDT	Mesoscale Discussion	SPC	92 min
Aug 11, 8:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	53 min
Aug 11, 8:21 PM CDT	Severe Thunderstorm Warning	BIS	39 min
Aug 11, 8:46 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	59 min
Aug 11, 8:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	36 min
Aug 12, 5:51 PM CDT	Mesoscale Discussion	SPC	114 min
Aug 13, 5:12 AM CDT	Dense Fog Advisory	BIS	5 hr
Aug 23, 4:59 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 30, 4:38 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 30, 5:39 PM CDT	Mesoscale Discussion	SPC	66 min
Aug 30, 6:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	60 min
Aug 30, 6:42 PM CDT	Severe Thunderstorm Warning	BIS	63 min
Aug 30, 7:41 PM CDT	Severe Thunderstorm Warning	BIS	49 min
Sep 4, 1:53 AM CDT	Dense Fog Advisory	BIS	10 hr
Sep 5, 4:40 PM CDT	Special Weather Statement	BIS	20 min
Sep 5, 4:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	45 min
Sep 5, 5:21 PM CDT	Severe Thunderstorm Warning	BIS	18 min
Sep 9, 1:15 PM CDT	Red Flag Warning	BIS	32 hr
Sep 13, 1:00 PM CDT	Wind Advisory	BIS	42 hr
Sep 17, 4:14 AM CDT	Dense Fog Advisory	BIS	9 hr
Sep 25, 12:47 AM CDT	Dense Fog Advisory	BIS	10 hr
Sep 28, 11:56 AM CDT	Areal Flood Advisory	BIS	3 hr
Sep 28, 2:40 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 28, 5:42 PM CDT	Flood Watch	BIS	13 hr

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	27
Severe Thunderstorm Watch	8
Tornado Watch	3
Mesoscale Discussion	27
Special Weather Statement	7
Flooding
Flood Watch	1
Areal Flood Advisory	1
Heat
Extreme Heat Warning	1
Extreme Heat Watch	1
Heat Advisory	5
Cold
Frost Advisory	3
Wind and dust
Wind Advisory	9
Fire
Red Flag Warning	8
Fire Weather Watch	3
Fog and smoke
Dense Fog Advisory	4

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2025

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.