Alert archive / Iowa / Shelby County
Weather alerts in Shelby County, Iowa, 2026
131 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Shelby County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 131
- Warnings
- 46
- Watches
- 26
- Advisories
- 26
- Busiest month
- July24 alerts
- Busiest day
- April 23, 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 5, 8:21 PM CST | Dense Fog Advisory | OAX | 12 hr |
| Jan 17, 1:16 PM CST | Wind Advisory | OAX | 33 hr |
| Jan 20, 2:13 PM CST | Wind Advisory | OAX | 28 hr |
| Jan 21, 11:03 AM CST | High Wind Warning | OAX | 7 hr |
| Jan 22, 1:39 AM CST | Cold Weather Advisory | OAX | 34 hr |
| Jan 22, 1:39 AM CST | Extreme Cold Warning | OAX | 34 hr |
| Jan 25, 1:52 AM CST | Cold Weather Advisory | OAX | 31 hr |
| Feb 14, 11:18 PM CST | Dense Fog Advisory | OAX | 10 hr |
| Feb 17, 5:22 PM CST | Mesoscale Discussion | SPC | 53 min |
| Feb 17, 7:43 PM CST | Red Flag Warning | OAX | 22 hr |
| Feb 18, 11:44 AM CST | Winter Weather Advisory | OAX | 40 hr |
| Feb 18, 9:06 PM CST | Winter Storm Warning | OAX | 31 hr |
| Feb 19, 12:18 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 19, 6:07 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 6, 3:16 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 6, 7:12 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 10, 11:43 AM CDT | Fire Weather Watch | OAX | 25 hr |
| Mar 11, 12:19 PM CDT | Red Flag Warning | OAX | 36 hr |
| Mar 11, 9:54 PM CDT | High Wind Warning | OAX | 30 hr |
| Mar 12, 10:37 AM CDT | Wind Advisory | OAX | 8 hr |
| Mar 13, 11:44 AM CDT | High Wind Watch | OAX | 24 hr |
| Mar 13, 11:44 AM CDT | Winter Storm Watch | OAX | 24 hr |
| Mar 14, 11:16 AM CDT | Winter Storm Warning | OAX | 12 hr |
| Mar 14, 11:22 AM CDT | High Wind Warning | OAX | 38 hr |
| Mar 14, 11:18 PM CDT | Cold Weather Advisory | OAX | 35 hr |
| Mar 14, 11:35 PM CDT | Blizzard Warning | OAX | 22 hr |
| Mar 15, 9:49 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 20, 8:46 AM CDT | Red Flag Warning | OAX | 43 hr |
| Mar 26, 1:11 PM CDT | Fire Weather Watch | OAX | 19 hr |
| Mar 26, 1:11 PM CDT | Red Flag Warning | OAX | 31 hr |
| Mar 27, 8:31 AM CDT | Red Flag Warning | OAX | 37 hr |
| Apr 6, 12:57 PM CDT | Winter Weather Advisory | OAX | 20 hr |
| Apr 15, 10:22 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 11:24 AM CDT | Severe Thunderstorm Warning | OAX | 51 min |
| Apr 15, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 23, 11:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 23, 12:02 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 23, 2:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 23, 3:06 PM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Apr 23, 3:38 PM CDT | Severe Thunderstorm Warning | OAX | 67 min |
| Apr 23, 4:00 PM CDT | Severe Thunderstorm Warning | OAX | 60 min |
| Apr 23, 4:20 PM CDT | Severe Thunderstorm Warning | OAX | 55 min |
| Apr 23, 4:38 PM CDT | Severe Thunderstorm Warning | OAX | 21 min |
| Apr 30, 12:38 PM CDT | Frost Advisory | OAX | 20 hr |
| May 1, 12:36 PM CDT | Frost Advisory | OAX | 19 hr |
| May 15, 3:55 PM CDT | Mesoscale Discussion | SPC | 2 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, 10:14 PM CDT | Severe Thunderstorm Warning | OAX | 34 min |
| May 15, 10:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 17, 3:16 PM CDT | Tornado Watch | SPC | 8 hr |
| May 17, 6:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 17, 8:11 PM CDT | Severe Thunderstorm Warning | OAX | 64 min |
| May 17, 8:25 PM CDT | Severe Thunderstorm Warning | OAX | 65 min |
| May 17, 8:56 PM CDT | Severe Thunderstorm Warning | OAX | 64 min |
| May 18, 3:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 7:29 PM CDT | Severe Thunderstorm Warning | OAX | 26 min |
| May 31, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 31, 10:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 31, 11:36 PM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| May 31, 11:50 PM CDT | Severe Thunderstorm Warning | OAX | 40 min |
| Jun 1, 12:18 AM CDT | Severe Thunderstorm Warning | OAX | 42 min |
| Jun 1, 12:57 AM CDT | Severe Thunderstorm Warning | OAX | 64 min |
| Jun 1, 1:06 AM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Jun 5, 3:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 1:22 PM CDT | Heat Advisory | OAX | 31 hr |
| Jun 11, 1:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 11, 2:13 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 11, 5:46 AM CDT | Severe Thunderstorm Warning | OAX | 44 min |
| Jun 13, 4:42 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 17, 2:36 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 11:53 PM CDT | Heat Advisory | OAX | 4 days |
| Jun 27, 11:58 AM CDT | Extreme Heat Warning | OAX | 3 days |
| Jul 2, 11:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 11:40 PM CDT | Flood Watch | OAX | 5 hr |
| Jul 3, 1:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 3, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 3, 9:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 8, 3:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 5:21 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 8, 6:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 8, 8:32 PM CDT | Severe Thunderstorm Warning | OAX | 26 min |
| Jul 8, 9:29 PM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jul 8, 9:42 PM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jul 8, 9:45 PM CDT | Tornado Warning | OAX | 25 min |
| Jul 8, 10:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 6:11 AM CDT | Dense Fog Advisory | OAX | 3 hr |
| Jul 17, 12:41 PM CDT | Heat Advisory | OAX | 3 days |
| Jul 24, 1:48 AM CDT | Heat Advisory | OAX | 39 hr |
| Jul 24, 1:48 AM CDT | Extreme Heat Watch | OAX | 25 hr |
| Jul 24, 11:26 PM CDT | Extreme Heat Warning | OAX | 71 hr |
| Jul 25, 2:45 AM CDT | Extreme Heat Watch | OAX | 34 hr |
| Jul 25, 3:12 AM CDT | Dense Fog Advisory | OAX | 7 hr |
| Jul 25, 4:54 PM CDT | Heat Advisory | OAX | 53 hr |
| Jul 27, 7:05 AM CDT | Extreme Heat Warning | OAX | 15 hr |
| Jul 27, 12:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 30, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 5, 11:51 PM CDT | Dense Fog Advisory | OAX | 10 hr |
| Aug 7, 2:17 AM CDT | Dense Fog Advisory | OAX | 6 hr |
| Aug 7, 1:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 8, 11:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 12, 2:24 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 12, 4:37 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Aug 13, 1:31 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 13, 2:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 4:27 AM CDT | Severe Thunderstorm Warning | OAX | 48 min |
| Aug 13, 4:49 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 14, 2:20 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 4:41 AM CDT | Flash Flood Warning | OAX | 3 hr |
| Aug 14, 9:52 AM CDT | Flood Watch | OAX | 7 hr |
| Aug 20, 2:17 AM CDT | Dense Fog Advisory | OAX | 8 hr |
| Sep 1, 11:04 AM CDT | Heat Advisory | OAX | 4 days |
| Sep 6, 11:05 AM CDT | Flood Watch | OAX | 9 hr |
| Sep 6, 2:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 6, 3:51 PM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Sep 6, 4:33 PM CDT | Flash Flood Warning | OAX | 2 hr |
| Sep 6, 4:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 8, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 9, 12:27 AM CDT | Areal Flood Advisory | OAX | 2 hr |
| Sep 9, 2:30 AM CDT | Flash Flood Warning | OAX | 3 hr |
| Sep 14, 3:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 14, 4:51 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 14, 6:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Sep 14, 7:22 PM CDT | Severe Thunderstorm Warning | OAX | 38 min |
| Sep 15, 12:54 AM CDT | Severe Thunderstorm Warning | OAX | 66 min |
| Sep 16, 10:57 PM CDT | Dense Fog Advisory | OAX | 11 hr |
| Sep 28, 1:10 PM CDT | Flood Watch | OAX | 70 hr |
| Sep 30, 11:11 PM CDT | Flash Flood Warning | OAX | 3 hr |
| Oct 1, 12:31 AM CDT | Flash Flood Warning | OAX | 2 hr |
| Oct 1, 2:05 AM CDT | Areal Flood Warning | OAX | 11 hr |
| Oct 1, 2:56 AM CDT | Areal Flood Warning | OAX | 10 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.