Weather alerts in South Dakota, April 2018

110 weather alerts in April 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in April 2018. Tap one for its archive.

Alerts: 110
Warnings: 61
Watches: 9
Advisories: 25
Busiest day: April 13, 201816 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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	Counties	Lasted
Apr 1, 3:28 AM CDT	Winter Storm Watch	UNR	Harding, Perkins	25 hr
Apr 2, 4:12 AM CDT	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	36 hr
Apr 2, 4:14 AM CDT	Winter Storm Warning	UNR	Butte, Harding, Lawrence, Meade, Perkins	27 hr
Apr 2, 4:14 AM CDT	Winter Weather Advisory	UNR	Butte, Custer, Haakon, Jackson, Lawrence, Meade and 5 more	30 hr
Apr 2, 2:20 PM CDT	Winter Weather Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	31 hr
Apr 2, 6:36 PM CDT	Winter Weather Advisory	UNR	Meade, Perkins, Ziebach	12 hr
Apr 4, 3:32 AM CDT	Winter Storm Watch	UNR	Custer, Lawrence, Meade, Pennington	24 hr
Apr 5, 2:46 AM CDT	Dense Fog Advisory	ABR	Brown, Campbell, Clark, Codington, Day, Deuel and 9 more	7 hr
Apr 5, 3:49 AM CDT	Winter Storm Warning	UNR	Custer, Fall River, Lawrence, Meade, Pennington	33 hr
Apr 5, 3:49 AM CDT	Winter Weather Advisory	UNR	Bennett, Butte, Custer, Fall River, Jackson, Meade and 3 more	33 hr
Apr 6, 3:28 PM CDT	Winter Storm Watch	FSD	Brookings	23 hr
Apr 6, 3:34 PM CDT	Winter Storm Watch	ABR	Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more	24 hr
Apr 6, 3:34 PM CDT	Winter Weather Advisory	ABR	Brown, Campbell, Clark, Codington, Corson, Day and 15 more	53 hr
Apr 7, 2:53 PM CDT	Winter Weather Advisory	FSD	Beadle, Brookings, Kingsbury, Lake, Lincoln, McCook and 6 more	34 hr
Apr 7, 3:18 PM CDT	Winter Weather Advisory	UNR	Perkins, Ziebach	16 hr
Apr 8, 2:03 PM CDT	Winter Storm Warning	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 3 more	6 hr
Apr 9, 7:42 AM CDT	Dense Fog Advisory	ABR	Codington, Day, Deuel, Grant, Hamlin, Marshall and 1 more	3 hr
Apr 10, 2:36 PM CDT	Winter Storm Watch	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	49 hr
Apr 10, 3:45 PM CDT	Winter Storm Watch	UNR	Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more	44 hr
Apr 11, 3:37 PM CDT	Winter Storm Watch	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	24 hr
Apr 12, 4:16 AM CDT	Blizzard Warning	UNR	Bennett, Custer, Haakon, Jackson, Meade, Mellette and 5 more	57 hr
Apr 12, 4:16 AM CDT	Winter Storm Warning	UNR	Butte, Custer, Fall River, Harding, Lawrence, Meade and 2 more	35 hr
Apr 12, 11:48 AM CDT	Blizzard Warning	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	55 hr
Apr 12, 2:51 PM CDT	River Flood Warning	UNR	Harding	65 hr
Apr 12, 3:45 PM CDT	Blizzard Warning	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	60 hr
Apr 12, 6:14 PM CDT	Special Weather Statement	UNR		31 min
Apr 12, 6:50 PM CDT	Special Weather Statement	UNR		40 min
Apr 13, 4:52 AM CDT	Mesoscale Discussion	SPC	Bennett, Haakon, Jackson, Jones, Meade, Mellette and 5 more	6 hr
Apr 13, 5:21 AM CDT	Severe Thunderstorm Warning	FSD	Douglas, Hutchinson	24 min
Apr 13, 8:44 AM CDT	Mesoscale Discussion	SPC	Lincoln, Minnehaha, Moody	3 hr
Apr 13, 9:41 AM CDT	River Flood Warning	FSD	Brookings	36 hr
Apr 13, 9:41 AM CDT	River Flood Warning	FSD	Brookings, Moody	3 days
Apr 13, 9:41 AM CDT	River Flood Warning	FSD	Minnehaha	59 hr
Apr 13, 9:41 AM CDT	River Flood Warning	FSD	Union	59 hr
Apr 13, 9:41 AM CDT	River Flood Warning	FSD	Union	3 days
Apr 13, 10:33 AM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	42 min
Apr 13, 10:56 AM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Douglas, Hutchinson	49 min
Apr 13, 11:36 AM CDT	Severe Thunderstorm Warning	FSD	Davison, Douglas, Hanson, Hutchinson	39 min
Apr 13, 12:27 PM CDT	Severe Thunderstorm Warning	FSD	Hanson, Lake, McCook, Miner, Minnehaha	48 min
Apr 13, 12:39 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	36 min
Apr 13, 1:18 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Kingsbury, Lake	17 min
Apr 13, 1:58 PM CDT	Winter Weather Advisory	ABR	Brown, Campbell, Corson, Edmunds, McPherson, Marshall and 1 more	19 hr
Apr 13, 3:27 PM CDT	Winter Weather Advisory	UNR	Custer, Fall River, Meade, Pennington, Ziebach	4 hr
Apr 13, 9:37 PM CDT	Special Weather Statement	UNR	Todd, Tripp	83 min
Apr 14, 10:06 AM CDT	Mesoscale Discussion	SPC	Bon Homme, Brookings, Clay, Hanson, Hutchinson, Lake and 8 more	6 hr
Apr 14, 12:49 PM CDT	Winter Weather Advisory	ABR	Codington, Deuel, Grant, Hamlin	24 hr
Apr 15, 3:27 AM CDT	Winter Weather Advisory	FSD	Brookings, Clay, Lincoln, Minnehaha, Moody, Union	13 hr
Apr 16, 3:21 AM CDT	Winter Storm Watch	FSD	Union	24 hr
Apr 17, 2:27 AM CDT	Winter Weather Advisory	ABR	Buffalo, Clark, Codington, Corson, Deuel, Dewey and 11 more	24 hr
Apr 17, 3:33 AM CDT	Winter Weather Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	38 hr
Apr 17, 9:50 AM CDT	River Flood Warning	FSD	Brookings, Moody	20 days
Apr 17, 9:50 AM CDT	River Flood Warning	FSD	Minnehaha, Moody	16 days
Apr 17, 9:50 AM CDT	River Flood Warning	FSD	Minnehaha	29 days
Apr 17, 9:50 AM CDT	River Flood Warning	FSD	Union	18 days
Apr 17, 9:50 AM CDT	River Flood Warning	FSD	Union	19 days
Apr 18, 10:02 AM CDT	River Flood Warning	FSD	Sanborn	9 days
Apr 18, 10:02 AM CDT	River Flood Warning	FSD	Davison, Hanson	15 days
Apr 18, 10:02 AM CDT	River Flood Warning	FSD	Hutchinson, Yankton	15 days
Apr 18, 10:02 AM CDT	River Flood Warning	FSD	Davison	6 days
Apr 19, 10:16 AM CDT	River Flood Warning	FSD	Yankton	4 days
Apr 19, 10:16 AM CDT	River Flood Warning	FSD	Turner	4 days
Apr 19, 10:16 AM CDT	River Flood Warning	FSD	Clay	4 days
Apr 19, 8:57 PM CDT	Areal Flood Advisory	ABR	Codington	13 hr
Apr 19, 10:46 PM CDT	Areal Flood Advisory	ABR	Grant	15 hr
Apr 19, 11:07 PM CDT	Areal Flood Warning	ABR	Codington, Grant	45 hr
Apr 20, 1:19 AM CDT	River Flood Warning	ABR	Hamlin	14 days
Apr 20, 6:34 AM CDT	River Flood Warning	ABR	Codington	12 days
Apr 20, 8:09 PM CDT	Areal Flood Warning	ABR	Codington	24 hr
Apr 20, 10:36 PM CDT	River Flood Warning	FSD	Minnehaha	5 days
Apr 21, 12:34 AM CDT	Areal Flood Warning	ABR	Codington	11 hr
Apr 21, 12:40 AM CDT	River Flood Warning	FSD	Brookings	15 days
Apr 21, 2:03 PM CDT	River Flood Warning	ABR	Codington	35 hr
Apr 21, 4:31 PM CDT	Areal Flood Warning	ABR	Deuel	48 hr
Apr 21, 7:59 PM CDT	Areal Flood Warning	ABR	Codington	24 hr
Apr 21, 8:00 PM CDT	Areal Flood Warning	ABR	Codington, Grant	24 hr
Apr 22, 1:09 AM CDT	River Flood Warning	ABR	Brown	23 days
Apr 22, 1:11 AM CDT	Areal Flood Warning	ABR	Codington	12 hr
Apr 22, 9:39 PM CDT	River Flood Warning	FSD	Moody	24 hr
Apr 23, 4:39 AM CDT	Winter Weather Advisory	UNR	Butte, Harding, Lawrence, Meade, Pennington	26 hr
Apr 23, 9:32 AM CDT	River Flood Warning	ABR	Codington	39 hr
Apr 23, 10:41 AM CDT	River Flood Warning	FSD	Moody	7 days
Apr 23, 10:41 AM CDT	River Flood Warning	FSD	Lincoln	9 days
Apr 23, 10:41 AM CDT	River Flood Warning	FSD	Minnehaha, Moody	14 days
Apr 23, 10:41 AM CDT	River Flood Warning	FSD	Moody	18 hr
Apr 23, 11:51 AM CDT	Areal Flood Warning	ABR	Deuel	5 days
Apr 23, 3:09 PM CDT	Wind Advisory	UNR	Custer, Meade, Pennington	13 hr
Apr 24, 9:02 AM CDT	River Flood Warning	FSD	Brookings	4 days
Apr 24, 9:02 AM CDT	River Flood Warning	FSD	Lincoln, Minnehaha	6 days
Apr 25, 9:45 AM CDT	River Flood Warning	FSD	Moody	7 days
Apr 25, 11:29 AM CDT	River Flood Warning	ABR	Codington	11 hr
Apr 25, 1:50 PM CDT	River Flood Warning	FSD	Minnehaha	11 days
Apr 26, 8:36 AM CDT	River Flood Warning	FSD	Brookings, Hamlin	8 days
Apr 27, 11:52 AM CDT	Red Flag Warning	ABR		7 hr
Apr 28, 3:30 AM CDT	Wind Advisory	UNR	Butte, Harding, Meade, Perkins, Ziebach	18 hr
Apr 29, 1:49 AM CDT	Wind Advisory	UNR	Bennett, Jackson, Mellette, Oglala Lakota, Todd, Tripp	18 hr
Apr 29, 3:41 AM CDT	Wind Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	16 hr
Apr 29, 3:52 AM CDT	Wind Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	16 hr
Apr 29, 3:53 PM CDT	Special Weather Statement	UNR		52 min
Apr 29, 4:33 PM CDT	Special Weather Statement	UNR		42 min
Apr 29, 5:23 PM CDT	Special Weather Statement	UNR	Custer	52 min
Apr 29, 5:47 PM CDT	Severe Thunderstorm Warning	UNR	Custer	58 min
Apr 29, 6:06 PM CDT	Mesoscale Discussion	SPC	Butte, Harding, Lawrence, Meade, Perkins, Ziebach	2 hr
Apr 29, 6:30 PM CDT	Severe Thunderstorm Warning	UNR	Custer, Oglala Lakota	37 min
Apr 29, 10:54 PM CDT	Special Weather Statement	UNR	Bennett	36 min
Apr 29, 11:26 PM CDT	Special Weather Statement	UNR	Bennett	34 min
Apr 30, 12:27 AM CDT	Special Weather Statement	UNR	Haakon	48 min
Apr 30, 3:31 AM CDT	Wind Advisory	FSD	Clay, Lincoln, Minnehaha, Union	15 hr
Apr 30, 3:51 PM CDT	Mesoscale Discussion	SPC	Aurora, Brule, Buffalo, Charles Mix, Douglas, Gregory and 2 more	54 min
Apr 30, 5:40 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 12 more	5 hr
Apr 30, 5:43 PM CDT	Mesoscale Discussion	SPC	Brown, Clark, Codington, Day, Deuel, Grant and 3 more	2 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	9
Severe Thunderstorm Watch	1
Mesoscale Discussion	6
Special Weather Statement	9
Flooding
Areal Flood Warning	8
River Flood Warning	36
Areal Flood Advisory	2
Winter
Blizzard Warning	3
Winter Storm Warning	4
Winter Storm Watch	8
Winter Weather Advisory	15
Wind and dust
Wind Advisory	6
Fire
Red Flag Warning	1
Fog and smoke
Dense Fog Advisory	2

By county

Every county with at least one alert. A county page lists each alert that covered it.

26 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2017 2019

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.