Alert archive / Iowa / Delaware County
Weather alerts in Delaware County, Iowa, 2026
142 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Delaware County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 142
- Warnings
- 45
- Watches
- 33
- Advisories
- 20
- Busiest month
- April33 alerts
- Busiest day
- April 17, 202610 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 6, 11:58 PM CST | Dense Fog Advisory | DVN | 12 hr |
| Jan 17, 1:51 PM CST | Cold Weather Advisory | DVN | 46 hr |
| Jan 20, 2:45 AM CST | Winter Weather Advisory | DVN | 23 hr |
| Jan 21, 2:46 AM CST | Extreme Cold Watch | DVN | 31 hr |
| Jan 21, 2:46 AM CST | Winter Weather Advisory | DVN | 21 hr |
| Jan 21, 11:24 AM CST | Blizzard Warning | DVN | 10 hr |
| Jan 22, 2:38 AM CST | Extreme Cold Warning | DVN | 33 hr |
| Jan 22, 10:02 AM CST | Cold Weather Advisory | DVN | 50 hr |
| Jan 25, 1:48 AM CST | Cold Weather Advisory | DVN | 34 hr |
| Feb 17, 2:31 PM CST | Fire Weather Watch | DVN | 10 hr |
| Feb 17, 8:04 PM CST | Wind Advisory | DVN | 22 hr |
| Feb 18, 12:30 AM CST | Red Flag Warning | DVN | 18 hr |
| Feb 19, 2:49 AM CST | Winter Weather Advisory | DVN | 30 hr |
| Feb 19, 1:38 PM CST | Winter Storm Warning | DVN | 19 hr |
| Mar 4, 3:11 AM CST | Dense Fog Advisory | DVN | 9 hr |
| Mar 6, 8:18 PM CST | Tornado Watch | SPC | 6 hr |
| Mar 10, 6:40 PM CDT | Severe Thunderstorm Warning | DVN | 50 min |
| Mar 10, 7:26 PM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Mar 10, 7:55 PM CDT | Severe Thunderstorm Warning | DVN | 32 min |
| Mar 11, 12:53 PM CDT | High Wind Watch | DVN | 14 hr |
| Mar 12, 2:34 AM CDT | Wind Advisory | DVN | 33 hr |
| Mar 12, 10:37 AM CDT | High Wind Warning | DVN | 28 hr |
| Mar 13, 2:55 AM CDT | Winter Storm Watch | DVN | 56 hr |
| Mar 14, 2:00 AM CDT | High Wind Watch | DVN | 11 hr |
| Mar 14, 12:33 PM CDT | Blizzard Warning | DVN | 48 hr |
| Mar 14, 12:33 PM CDT | High Wind Warning | DVN | 41 hr |
| Mar 15, 1:18 PM CDT | Winter Weather Advisory | DVN | 24 hr |
| Mar 16, 1:05 PM CDT | Winter Weather Advisory | DVN | 11 hr |
| Mar 27, 11:59 AM CDT | Red Flag Warning | DVN | 33 hr |
| Mar 30, 8:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 30, 9:21 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 30, 11:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 2, 1:43 PM CDT | Tornado Watch | SPC | 8 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, 5:17 PM CDT | Tornado Warning | DVN | 58 min |
| Apr 14, 5:21 PM CDT | Severe Thunderstorm Warning | DVN | 24 min |
| Apr 14, 5:44 PM CDT | Severe Thunderstorm Warning | DVN | 16 min |
| Apr 14, 6:08 PM CDT | Severe Thunderstorm Warning | DVN | 22 min |
| Apr 14, 8:17 PM CDT | Flash Flood Warning | DVN | 2 hr |
| Apr 15, 2:50 AM CDT | Flood Watch | DVN | 20 hr |
| Apr 15, 10:22 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 3:40 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 5:01 PM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| Apr 15, 5:18 PM CDT | Flash Flood Warning | DVN | 4 hr |
| Apr 15, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | 20 min |
| Apr 15, 6:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 7:00 PM CDT | Flash Flood Warning | DVN | 4 hr |
| Apr 17, 11:48 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 12:40 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 17, 12:46 PM CDT | Flood Watch | DVN | 12 hr |
| Apr 17, 12:47 PM CDT | Severe Thunderstorm Warning | DVN | 58 min |
| Apr 17, 1:10 PM CDT | Severe Thunderstorm Warning | DVN | 65 min |
| Apr 17, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 17, 4:00 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Apr 17, 4:18 PM CDT | Tornado Warning | DVN | 42 min |
| Apr 17, 4:53 PM CDT | Severe Thunderstorm Warning | DVN | 52 min |
| Apr 17, 4:54 PM CDT | Tornado Warning | DVN | 66 min |
| Apr 19, 2:10 AM CDT | Freeze Warning | DVN | 30 hr |
| Apr 23, 8:37 PM CDT | Special Weather Statement | DVN | 38 min |
| Apr 23, 8:59 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 27, 12:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 27, 5:13 PM CDT | Special Weather Statement | DVN | 47 min |
| May 1, 2:16 AM CDT | Frost Advisory | DVN | 30 hr |
| May 6, 1:17 PM CDT | Frost Advisory | DVN | 19 hr |
| May 10, 11:57 AM CDT | Frost Advisory | DVN | 19 hr |
| May 15, 9:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 15, 10:33 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 15, 11:00 PM CDT | Severe Thunderstorm Warning | DVN | 41 min |
| May 16, 10:22 PM CDT | Special Weather Statement | DVN | 53 min |
| May 16, 11:06 PM CDT | Special Weather Statement | DVN | 54 min |
| May 17, 10:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 17, 11:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 18, 9:35 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 7, 11:46 AM CDT | Flood Watch | DVN | 31 hr |
| Jun 8, 12:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 10, 10:58 AM CDT | Flood Watch | DVN | 32 hr |
| 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, 12:26 PM CDT | Severe Thunderstorm Warning | DVN | 45 min |
| Jun 11, 7:31 AM CDT | Tornado Watch | SPC | 7 hr |
| Jun 11, 8:31 AM CDT | Severe Thunderstorm Warning | DVN | 74 min |
| Jun 11, 8:54 AM CDT | Severe Thunderstorm Warning | DVN | 52 min |
| Jun 17, 2:36 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 3:55 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 5:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 4:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 1:28 AM CDT | Extreme Heat Watch | DVN | 24 hr |
| Jun 27, 1:24 PM CDT | Extreme Heat Warning | DVN | 6 days |
| Jun 28, 10:14 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 11:46 AM CDT | Special Weather Statement | DVN | 44 min |
| Jun 28, 12:22 PM CDT | Special Weather Statement | DVN | 53 min |
| Jul 1, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 2, 11:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 2, 12:37 PM CDT | Flood Watch | DVN | 55 hr |
| 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, 2:14 PM CDT | Tornado Warning | DVN | 19 min |
| Jul 2, 3:26 PM CDT | Severe Thunderstorm Warning | DVN | 49 min |
| Jul 2, 3:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 2, 3:57 PM CDT | Severe Thunderstorm Warning | DVN | 63 min |
| Jul 2, 5:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 7:26 PM CDT | Special Weather Statement | DVN | 64 min |
| Jul 3, 5:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 3, 5:13 PM CDT | Special Weather Statement | DVN | 77 min |
| Jul 8, 6:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 20, 7:08 AM CDT | Special Weather Statement | DVN | 52 min |
| Jul 20, 7:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 3:03 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 24, 1:38 AM CDT | Extreme Heat Watch | DVN | 59 hr |
| Jul 25, 2:49 AM CDT | Extreme Heat Warning | DVN | 67 hr |
| Jul 26, 3:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 7, 2:53 AM CDT | Dense Fog Advisory | DVN | 6 hr |
| Aug 7, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 7, 4:48 PM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| Aug 7, 4:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 5:02 PM CDT | Tornado Warning | DVN | 43 min |
| Aug 10, 9:02 PM CDT | Tornado Warning | DVN | 43 min |
| Aug 10, 9:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 11, 4:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 7:09 AM CDT | Severe Thunderstorm Warning | DVN | 81 min |
| Aug 11, 7:11 AM CDT | Severe Thunderstorm Warning | DVN | 49 min |
| Aug 11, 7:15 AM CDT | Tornado Warning | DVN | 45 min |
| Aug 11, 7:22 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 11, 7:36 AM CDT | Tornado Warning | DVN | 39 min |
| Aug 11, 8:04 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:22 AM CDT | Flood Watch | DVN | 56 hr |
| Aug 16, 4:31 AM CDT | Dense Fog Advisory | DVN | 4 hr |
| Aug 18, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 18, 5:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 1:04 PM CDT | Heat Advisory | DVN | 6 days |
| Sep 1, 1:42 AM CDT | Dense Fog Advisory | DVN | 7 hr |
| Sep 4, 2:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 7:04 PM CDT | Severe Thunderstorm Warning | DVN | 41 min |
| Sep 8, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 16, 9:26 PM CDT | Dense Fog Advisory | DVN | 12 hr |
| Sep 18, 1:23 AM CDT | Flood Watch | DVN | 60 hr |
| Sep 19, 2:21 AM CDT | Special Weather Statement | DVN | 39 min |
| Sep 20, 5:12 AM CDT | Flash Flood Warning | DVN | 4 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. Rebuilt daily.