Alert archive / Iowa / Clayton County
Weather alerts in Clayton County, Iowa, 2026
109 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clayton County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 109
- Warnings
- 33
- Watches
- 26
- Advisories
- 22
- Busiest month
- July19 alerts
- Busiest day
- July 2, 20268 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 |
|---|---|---|---|
| Jan 7, 1:21 AM CST | Dense Fog Advisory | ARX | 11 hr |
| Jan 17, 1:38 PM CST | Cold Weather Advisory | ARX | 68 hr |
| Jan 20, 2:50 AM CST | Winter Weather Advisory | ARX | 24 hr |
| Jan 20, 12:47 PM CST | Extreme Cold Watch | ARX | 46 hr |
| Jan 21, 3:03 AM CST | Winter Weather Advisory | ARX | 19 hr |
| Jan 21, 11:56 AM CST | Extreme Cold Warning | ARX | 48 hr |
| Jan 22, 10:24 AM CST | Cold Weather Advisory | ARX | 47 hr |
| Jan 25, 1:32 AM CST | Cold Weather Advisory | ARX | 34 hr |
| Feb 17, 3:05 PM CST | Wind Advisory | ARX | 27 hr |
| Feb 17, 3:30 PM CST | Fire Weather Watch | ARX | 5 hr |
| Feb 17, 8:25 PM CST | Red Flag Warning | ARX | 23 hr |
| Feb 19, 2:41 AM CST | Winter Weather Advisory | ARX | 32 hr |
| Feb 19, 11:30 AM CST | Winter Storm Warning | ARX | 25 hr |
| Feb 19, 11:00 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 3, 6:23 PM CST | Dense Fog Advisory | ARX | 16 hr |
| Mar 11, 11:06 AM CDT | High Wind Watch | ARX | 10 hr |
| Mar 11, 9:15 PM CDT | High Wind Warning | ARX | 35 hr |
| Mar 11, 9:15 PM CDT | Wind Advisory | ARX | 40 hr |
| Mar 12, 2:30 PM CDT | Winter Storm Watch | ARX | 46 hr |
| Mar 14, 6:09 AM CDT | Winter Weather Advisory | ARX | 31 hr |
| Mar 14, 12:46 PM CDT | Blizzard Warning | ARX | 46 hr |
| Mar 16, 3:43 AM CDT | Winter Weather Advisory | ARX | 9 hr |
| Mar 27, 11:17 AM CDT | Red Flag Warning | ARX | 32 hr |
| Mar 30, 9:21 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 10:23 AM CDT | River Flood Watch | ARX | 46 hr |
| Apr 4, 10:23 AM CDT | River Flood Warning | ARX | 55 hr |
| Apr 4, 1:14 PM CDT | River Flood Warning | ARX | 23 hr |
| Apr 13, 9:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 14, 12:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 2:33 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 14, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 14, 4:00 PM CDT | Severe Thunderstorm Warning | ARX | 45 min |
| Apr 16, 5:18 AM CDT | River Flood Watch | ARX | 4 days |
| Apr 17, 11:48 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 12:40 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 17, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 17, 3:46 PM CDT | Tornado Warning | ARX | 44 min |
| Apr 17, 4:24 PM CDT | Tornado Warning | ARX | 19 min |
| Apr 23, 9:19 PM CDT | Severe Thunderstorm Warning | ARX | 41 min |
| Apr 27, 11:11 AM CDT | Special Weather Statement | ARX | 49 min |
| Apr 27, 12:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 1, 2:25 AM CDT | Frost Advisory | ARX | 11 hr |
| May 1, 2:25 AM CDT | Freeze Warning | ARX | 30 hr |
| May 5, 1:08 PM CDT | Frost Advisory | ARX | 19 hr |
| May 6, 1:09 PM CDT | Frost Advisory | ARX | 19 hr |
| May 10, 12:00 PM CDT | Frost Advisory | ARX | 20 hr |
| May 12, 3:46 PM CDT | Wind Advisory | ARX | 4 hr |
| May 15, 5:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 15, 7:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 9:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 15, 10:29 PM CDT | Severe Thunderstorm Warning | ARX | 46 min |
| May 15, 10:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 10:57 PM CDT | Severe Thunderstorm Warning | ARX | 48 min |
| May 15, 11:06 PM CDT | Severe Thunderstorm Warning | ARX | 24 min |
| May 17, 10:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 17, 11:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 12:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 10, 11:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 10, 12:28 PM CDT | Severe Thunderstorm Warning | ARX | 62 min |
| Jun 10, 1:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 2:47 AM CDT | Flood Watch | ARX | 15 hr |
| Jun 17, 3:55 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 4:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 2:18 AM CDT | Dense Fog Advisory | ARX | 5 hr |
| Jun 24, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 1:27 AM CDT | Extreme Heat Watch | ARX | 23 hr |
| Jun 28, 12:34 AM CDT | Extreme Heat Warning | ARX | 68 hr |
| Jun 30, 9:26 PM CDT | Heat Advisory | ARX | 20 hr |
| Jul 1, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 2, 8:07 AM CDT | Flood Watch | ARX | 36 hr |
| Jul 2, 11:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 2, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 1:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 2, 2:17 PM CDT | Tornado Warning | ARX | 43 min |
| Jul 2, 2:47 PM CDT | Tornado Warning | ARX | 43 min |
| Jul 2, 3:13 PM CDT | Severe Thunderstorm Warning | ARX | 62 min |
| Jul 2, 3:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 3, 5:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 8, 1:59 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 8, 6:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 12, 1:33 PM CDT | Heat Advisory | ARX | 3 days |
| Jul 20, 7:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 3:03 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 20, 7:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 24, 2:51 AM CDT | Extreme Heat Watch | ARX | 47 hr |
| Jul 25, 2:20 AM CDT | Extreme Heat Warning | ARX | 67 hr |
| Aug 7, 3:20 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Aug 11, 7:07 AM CDT | Severe Thunderstorm Warning | ARX | 50 min |
| Aug 11, 7:22 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 11, 7:37 AM CDT | Severe Thunderstorm Warning | ARX | 54 min |
| Aug 18, 1:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 18, 2:28 PM CDT | Severe Thunderstorm Warning | ARX | 46 min |
| Aug 18, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 18, 5:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 21, 4:28 PM CDT | Severe Thunderstorm Warning | ARX | 17 min |
| Sep 4, 2:49 AM CDT | Heat Advisory | ARX | 16 hr |
| Sep 4, 2:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 4:10 PM CDT | Severe Thunderstorm Warning | ARX | 35 min |
| Sep 4, 4:31 PM CDT | Severe Thunderstorm Warning | ARX | 27 min |
| Sep 4, 5:02 PM CDT | Special Weather Statement | ARX | 43 min |
| Sep 4, 5:13 PM CDT | Severe Thunderstorm Warning | ARX | 30 min |
| Sep 17, 8:08 PM CDT | Flood Watch | ARX | 59 hr |
| Sep 19, 4:21 AM CDT | Flash Flood Warning | ARX | 4 hr |
| Sep 19, 6:34 AM CDT | River Flood Warning | ARX | 30 hr |
| Sep 19, 8:23 AM CDT | River Flood Warning | ARX | 46 hr |
| Sep 19, 9:22 AM CDT | Areal Flood Warning | ARX | 39 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
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.