Alert archive / South Dakota / River Flood Warnings
River Flood Warnings in South Dakota, 2018
165 river flood warnings in 2018. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- River Flood Warnings
- 165
- Busiest month
- April36 river flood warnings
- Busiest day
- September 20, 201817 river flood warnings
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 | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 8:26 AM CST | River Flood Warning | FSD | Minnehaha | 31 hr |
| Mar 6, 4:07 PM CST | River Flood Warning | FSD | Union | 61 hr |
| Mar 6, 6:10 PM CST | River Flood Warning | FSD | Turner | 42 hr |
| Mar 8, 8:47 AM CST | River Flood Warning | FSD | Union | 45 hr |
| Mar 16, 6:08 AM CDT | River Flood Warning | FSD | Davison | 8 days |
| Mar 19, 7:40 AM CDT | River Flood Warning | FSD | Davison, Hanson | 8 days |
| Mar 21, 7:29 AM CDT | River Flood Warning | FSD | Minnehaha | 16 days |
| Mar 22, 7:24 AM CDT | River Flood Warning | FSD | Brookings | 4 days |
| Mar 22, 7:24 AM CDT | River Flood Warning | FSD | Brookings, Moody | 5 days |
| Mar 23, 9:37 AM CDT | River Flood Warning | FSD | Union | 13 days |
| Mar 23, 8:40 PM CDT | River Flood Warning | FSD | Minnehaha, Moody | 3 days |
| Mar 24, 10:12 AM CDT | River Flood Warning | FSD | Brookings, Moody | 51 hr |
| Mar 24, 10:12 AM CDT | River Flood Warning | FSD | Hutchinson, Yankton | 5 days |
| Mar 24, 9:23 PM CDT | River Flood Warning | FSD | Minnehaha, Moody | 5 days |
| Mar 25, 9:44 AM CDT | River Flood Warning | FSD | Union | 4 days |
| Mar 25, 8:19 PM CDT | River Flood Warning | FSD | Turner | 38 hr |
| Mar 26, 10:03 AM CDT | River Flood Warning | FSD | Clay | 70 hr |
| Mar 28, 1:38 PM CDT | River Flood Warning | ABR | Hamlin | 3 days |
| Mar 28, 9:42 PM CDT | River Flood Warning | FSD | Minnehaha | 24 hr |
| Mar 29, 8:26 AM CDT | River Flood Warning | FSD | Union | 6 days |
| Mar 29, 9:26 AM CDT | River Flood Warning | FSD | Brookings, Moody | 5 days |
| Mar 30, 6:39 AM CDT | River Flood Warning | FSD | Brookings | 40 hr |
| Apr 12, 2:51 PM CDT | River Flood Warning | UNR | Harding | 65 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 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 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, 10:36 PM CDT | River Flood Warning | FSD | Minnehaha | 5 days |
| 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 22, 1:09 AM CDT | River Flood Warning | ABR | Brown | 23 days |
| Apr 22, 9:39 PM CDT | River Flood Warning | FSD | Moody | 24 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 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 |
| May 10, 10:08 AM CDT | River Flood Warning | FSD | Brookings, Moody | 6 days |
| May 10, 10:08 AM CDT | River Flood Warning | FSD | Union | 5 days |
| May 10, 10:08 AM CDT | River Flood Warning | FSD | Union | 7 days |
| May 13, 7:39 PM CDT | River Flood Warning | FSD | Union | 4 days |
| Jun 20, 9:54 AM CDT | River Flood Warning | UNR | Haakon, Ziebach | 50 hr |
| Jun 20, 9:54 AM CDT | River Flood Warning | UNR | Jackson | 33 hr |
| Jun 20, 9:54 AM CDT | River Flood Warning | UNR | Jones, Mellette | 67 hr |
| Jun 20, 9:54 AM CDT | River Flood Warning | UNR | Lyman, Tripp | 4 days |
| Jun 20, 9:10 PM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Jun 20, 9:10 PM CDT | River Flood Warning | FSD | Union | 20 days |
| Jun 20, 9:10 PM CDT | River Flood Warning | FSD | Union | 21 days |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 35 hr |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Minnehaha | 3 days |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Lincoln | 4 days |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Turner | 49 hr |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Turner | 41 hr |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Turner | 10 days |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Clay | 10 days |
| Jun 21, 4:01 AM CDT | River Flood Warning | FSD | Minnehaha | 66 hr |
| Jun 21, 11:10 AM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Jun 21, 11:10 AM CDT | River Flood Warning | FSD | Minnehaha | 59 hr |
| Jun 21, 11:16 PM CDT | River Flood Warning | FSD | Union | 20 days |
| Jun 21, 11:16 PM CDT | River Flood Warning | FSD | Union | 6 days |
| Jun 22, 12:40 AM CDT | River Flood Warning | FSD | Yankton | 66 hr |
| Jun 24, 7:56 PM CDT | River Flood Warning | FSD | Minnehaha | 14 days |
| Jun 25, 2:05 AM CDT | River Flood Warning | FSD | Clay | 7 days |
| Jun 25, 2:05 AM CDT | River Flood Warning | FSD | Union | 7 days |
| Jun 25, 4:48 PM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Jun 25, 4:48 PM CDT | River Flood Warning | FSD | Union | 4 days |
| Jun 25, 4:48 PM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Jun 25, 8:39 PM CDT | River Flood Warning | FSD | Moody | 37 hr |
| Jun 26, 5:21 AM CDT | River Flood Warning | FSD | Lincoln | 4 days |
| Jun 26, 5:21 AM CDT | River Flood Warning | FSD | Union | 12 hr |
| Jun 26, 10:29 AM CDT | River Flood Warning | FSD | Turner | 42 hr |
| Jun 26, 10:29 AM CDT | River Flood Warning | FSD | Hutchinson, Yankton | 66 hr |
| Jun 26, 10:29 AM CDT | River Flood Warning | FSD | Yankton | 69 hr |
| Jun 26, 3:18 PM CDT | River Flood Warning | FSD | Minnehaha | 66 hr |
| Jul 1, 8:01 AM CDT | River Flood Warning | FSD | Moody | 50 hr |
| Jul 1, 10:15 AM CDT | River Flood Warning | FSD | Minnehaha | 5 days |
| Jul 3, 10:11 AM CDT | River Flood Warning | FSD | Minnehaha | 46 hr |
| Jul 3, 11:11 AM CDT | River Flood Warning | FSD | Minnehaha | 47 hr |
| Jul 3, 6:37 PM CDT | River Flood Warning | FSD | Moody | 38 hr |
| Jul 4, 9:37 AM CDT | River Flood Warning | FSD | Lincoln | 24 hr |
| Jul 6, 8:51 AM CDT | River Flood Warning | ABR | Spink | 5 days |
| Jul 8, 7:53 PM CDT | River Flood Warning | FSD | Bon Homme | 148 days |
| Jul 8, 8:58 PM CDT | River Flood Warning | FSD | Bon Homme | 76 days |
| Jul 13, 12:46 AM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 4 days |
| Jul 13, 9:50 AM CDT | River Flood Warning | FSD | Union | 5 days |
| Jul 13, 9:50 AM CDT | River Flood Warning | FSD | Union | 5 days |
| Jul 15, 12:39 AM CDT | River Flood Warning | FSD | Union | 70 hr |
| Jul 19, 6:49 AM CDT | River Flood Warning | FSD | Brookings | 41 hr |
| Jul 19, 9:07 AM CDT | River Flood Warning | FSD | Brookings, Moody | 6 days |
| Jul 20, 12:45 AM CDT | River Flood Warning | FSD | Brookings | 69 hr |
| Jul 20, 11:40 PM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 31 days |
| Jul 21, 11:34 PM CDT | River Flood Warning | FSD | Charles Mix | 14 days |
| Jul 22, 10:04 AM CDT | River Flood Warning | FSD | Minnehaha | 5 days |
| Jul 24, 2:11 PM CDT | River Flood Warning | FSD | Minnehaha, Moody | 50 hr |
| Jul 25, 8:28 PM CDT | River Flood Warning | FSD | Minnehaha | 12 hr |
| Aug 7, 10:40 AM CDT | River Flood Warning | FSD | Charles Mix | 14 days |
| Aug 24, 9:41 AM CDT | River Flood Warning | FSD | Charles Mix | 27 days |
| Aug 24, 9:41 AM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 28 days |
| Sep 5, 3:21 AM CDT | River Flood Warning | FSD | Union | 8 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Brookings, Moody | 5 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 4 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Minnehaha | 3 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 51 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Union | 10 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Union | 12 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Hutchinson, Yankton | 6 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Yankton | 7 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Turner | 7 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Clay | 7 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Minnehaha | 63 hr |
| Sep 20, 7:22 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 63 hr |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | Minnehaha | 6 days |
| Sep 20, 9:36 AM CDT | River Flood Warning | FSD | Clay | 8 days |
| Sep 20, 11:17 AM CDT | River Flood Warning | FSD | Minnehaha | 6 days |
| Sep 20, 2:44 PM CDT | River Flood Warning | FSD | Lincoln | 5 days |
| Sep 20, 7:52 PM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 31 hr |
| Sep 21, 2:14 AM CDT | River Flood Warning | FSD | Turner | 41 hr |
| Sep 21, 2:14 AM CDT | River Flood Warning | FSD | Union | 67 hr |
| Sep 21, 6:47 AM CDT | River Flood Warning | FSD | Moody | 27 hr |
| Sep 21, 8:38 AM CDT | River Flood Warning | FSD | Union | 11 days |
| Sep 22, 2:10 AM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Sep 23, 8:34 PM CDT | River Flood Warning | FSD | Union | 5 days |
| Sep 25, 7:29 AM CDT | River Flood Warning | FSD | Bon Homme | 14 days |
| Sep 28, 9:38 AM CDT | River Flood Warning | FSD | Charles Mix | 49 hr |
| Sep 28, 7:28 PM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 39 hr |
| Oct 2, 8:04 AM CDT | River Flood Warning | FSD | Charles Mix | 6 days |
| Oct 10, 3:37 AM CDT | River Flood Warning | FSD | Minnehaha | 5 days |
| Oct 10, 9:46 AM CDT | River Flood Warning | FSD | Union | 9 days |
| Oct 10, 9:46 AM CDT | River Flood Warning | FSD | Union | 11 days |
| Oct 11, 12:47 AM CDT | River Flood Warning | FSD | Minnehaha | 32 hr |
| Oct 11, 2:15 AM CDT | River Flood Warning | FSD | Lincoln | 48 hr |
| Oct 11, 4:38 AM CDT | River Flood Warning | FSD | Lincoln | 67 hr |
| Oct 11, 4:38 AM CDT | River Flood Warning | FSD | Union | 10 days |
| Oct 11, 4:38 AM CDT | River Flood Warning | FSD | Bon Homme | 47 days |
| Oct 11, 7:03 AM CDT | River Flood Warning | FSD | Minnehaha | 44 hr |
| Oct 11, 7:03 AM CDT | River Flood Warning | FSD | Turner | 5 days |
| Oct 11, 7:03 AM CDT | River Flood Warning | FSD | Clay | 5 days |
| Oct 12, 10:46 AM CDT | River Flood Warning | FSD | Charles Mix | 4 days |
| Oct 13, 2:28 AM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 3 days |
| Oct 22, 8:12 AM CDT | River Flood Warning | FSD | Charles Mix | 4 days |
| Nov 2, 8:15 PM CDT | River Flood Warning | FSD | Union | 5 days |
| Nov 2, 8:15 PM CDT | River Flood Warning | FSD | Union | 24 hr |
| Nov 30, 9:41 AM CST | River Flood Warning | FSD | Brookings | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Minnehaha County41
- Union County33
- Moody County22
- Brookings County17
- Lincoln County12
- Charles Mix County12
- Turner County10
- Bon Homme County9
- Yankton County8
- Clay County7
- Davison County4
- Hutchinson County4
- Codington County4
- Hamlin County3
- Hanson County2
- Harding County1
- Sanborn County1
- Brown County1
- Haakon County1
- Ziebach County1
- Jackson County1
- Jones County1
- Mellette County1
- Lyman County1
- Tripp County1
- Spink County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.