Alert archive / Illinois / Stephenson County
Weather alerts in Stephenson County, Illinois, 2024
164 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Stephenson County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 164
- Warnings
- 51
- Watches
- 26
- Advisories
- 33
- Busiest month
- July31 alerts
- Busiest day
- July 15, 202414 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, 2:44 AM CST | Winter Storm Watch | DVN | 24 hr |
| Jan 8, 2:43 AM CST | Winter Storm Warning | DVN | 48 hr |
| Jan 9, 9:12 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 9, 1:09 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 10, 3:00 PM CST | Winter Storm Watch | DVN | 11 hr |
| Jan 11, 2:14 AM CST | Winter Storm Warning | DVN | 39 hr |
| Jan 11, 2:14 AM CST | Winter Weather Advisory | DVN | 3 days |
| Jan 11, 3:03 PM CST | Blizzard Warning | DVN | 36 hr |
| Jan 11, 3:03 PM CST | Wind Chill Watch | DVN | 47 hr |
| Jan 11, 9:37 PM CST | Winter Storm Warning | DVN | 30 hr |
| Jan 12, 4:23 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 12, 10:24 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 13, 3:19 AM CST | Wind Chill Warning | DVN | 3 days |
| Jan 13, 3:19 AM CST | Wind Chill Advisory | DVN | 11 hr |
| Jan 15, 2:02 PM CST | Wind Chill Advisory | DVN | 43 hr |
| Jan 18, 2:37 AM CST | Winter Weather Advisory | DVN | 27 hr |
| Jan 19, 2:16 AM CST | Wind Chill Advisory | DVN | 34 hr |
| Jan 20, 2:01 AM CST | Wind Chill Advisory | DVN | 33 hr |
| Jan 21, 2:29 AM CST | Winter Weather Advisory | DVN | 60 hr |
| Jan 22, 2:08 AM CST | Winter Weather Advisory | DVN | 36 hr |
| Jan 23, 1:29 PM CST | Dense Fog Advisory | DVN | 20 hr |
| Jan 24, 3:57 PM CST | Dense Fog Advisory | DVN | 44 hr |
| Jan 26, 1:30 PM CST | Dense Fog Advisory | DVN | 26 hr |
| Jan 28, 1:49 PM CST | Dense Fog Advisory | DVN | 22 hr |
| Feb 6, 9:23 PM CST | Dense Fog Advisory | DVN | 12 hr |
| Feb 8, 2:53 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 8, 4:31 PM CST | Severe Thunderstorm Warning | DVN | 29 min |
| Feb 8, 4:47 PM CST | Severe Thunderstorm Warning | DVN | 13 min |
| Feb 8, 5:32 PM CST | Severe Thunderstorm Warning | DVN | 28 min |
| Feb 25, 1:27 PM CST | Fire Weather Watch | DVN | 13 hr |
| Feb 25, 1:27 PM CST | Red Flag Warning | DVN | 29 hr |
| Feb 27, 1:58 AM CST | Wind Advisory | DVN | 28 hr |
| Mar 2, 1:41 PM CST | Red Flag Warning | DVN | 28 hr |
| Mar 3, 8:19 AM CST | Wind Advisory | DVN | 10 hr |
| Mar 4, 1:11 PM CST | Severe Thunderstorm Warning | DVN | 34 min |
| Mar 4, 1:25 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 1:45 PM CST | Severe Thunderstorm Warning | DVN | 45 min |
| Mar 4, 3:03 PM CST | Severe Thunderstorm Warning | DVN | 42 min |
| Mar 4, 9:26 PM CST | Special Weather Statement | DVN | 49 min |
| Mar 4, 9:41 PM CST | Severe Thunderstorm Warning | DVN | 24 min |
| Mar 21, 2:31 AM CDT | Winter Weather Advisory | DVN | 34 hr |
| Mar 22, 6:11 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 22, 8:03 AM CDT | Winter Storm Warning | DVN | 5 hr |
| Apr 2, 1:13 PM CDT | Winter Weather Advisory | DVN | 24 hr |
| Apr 2, 2:24 PM CDT | Wind Advisory | DVN | 30 hr |
| Apr 2, 9:14 PM CDT | River Flood Watch | DVN | 58 hr |
| Apr 5, 6:58 AM CDT | River Flood Warning | DVN | 14 hr |
| Apr 7, 1:52 AM CDT | Wind Advisory | DVN | 13 hr |
| Apr 16, 12:06 PM CDT | Tornado Watch | SPC | 10 hr |
| Apr 16, 3:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 16, 4:49 PM CDT | Severe Thunderstorm Warning | DVN | 41 min |
| Apr 16, 7:18 PM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| Apr 16, 7:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 16, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| Apr 19, 1:39 PM CDT | Freeze Warning | DVN | 18 hr |
| Apr 20, 1:43 PM CDT | Freeze Warning | DVN | 18 hr |
| Apr 21, 2:15 PM CDT | Frost Advisory | DVN | 18 hr |
| Apr 24, 2:25 AM CDT | Freeze Watch | DVN | 11 hr |
| Apr 24, 1:47 PM CDT | Freeze Warning | DVN | 18 hr |
| Apr 27, 2:55 PM CDT | Special Weather Statement | DVN | 50 min |
| Apr 27, 5:58 PM CDT | Tornado Watch | SPC | 6 hr |
| May 4, 2:50 PM CDT | Special Weather Statement | DVN | 40 min |
| May 4, 3:03 PM CDT | Special Weather Statement | DVN | 27 min |
| May 7, 6:10 AM CDT | Special Weather Statement | DVN | 35 min |
| May 7, 12:41 PM CDT | Special Weather Statement | DVN | 34 min |
| May 7, 7:03 PM CDT | Special Weather Statement | DVN | 42 min |
| May 7, 7:17 PM CDT | Severe Thunderstorm Warning | DVN | 43 min |
| May 7, 10:23 PM CDT | Special Weather Statement | DVN | 67 min |
| May 21, 7:13 PM CDT | Tornado Watch | SPC | 5 hr |
| May 21, 7:27 PM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| May 21, 7:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 21, 8:14 PM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| May 21, 8:31 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| May 21, 9:27 PM CDT | Special Weather Statement | DVN | 48 min |
| May 21, 9:50 PM CDT | Special Weather Statement | DVN | 55 min |
| May 21, 9:58 PM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| May 24, 6:07 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 24, 8:37 AM CDT | Tornado Warning | DVN | 53 min |
| May 24, 8:43 AM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| May 24, 8:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 8:56 AM CDT | Tornado Warning | DVN | 49 min |
| May 24, 9:26 AM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| May 24, 9:30 AM CDT | Tornado Warning | DVN | 20 min |
| May 24, 4:21 PM CDT | Special Weather Statement | DVN | 54 min |
| May 24, 4:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 27, 5:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 1:02 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 1, 11:32 PM CDT | Dense Fog Advisory | DVN | 9 hr |
| Jun 3, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 6:19 PM CDT | Special Weather Statement | DVN | 41 min |
| Jun 13, 5:36 AM CDT | Special Weather Statement | DVN | 39 min |
| Jun 16, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 16, 2:32 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| Jun 17, 2:04 AM CDT | Heat Advisory | DVN | 42 hr |
| Jun 19, 3:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 20, 8:41 PM CDT | Special Weather Statement | DVN | 49 min |
| Jun 21, 8:39 PM CDT | Flood Watch | DVN | 25 hr |
| Jun 22, 1:06 AM CDT | Severe Thunderstorm Warning | DVN | 24 min |
| Jun 22, 12:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 3:13 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 22, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 22, 8:37 PM CDT | Severe Thunderstorm Warning | DVN | 53 min |
| Jun 24, 7:31 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 25, 4:09 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 25, 4:31 AM CDT | Special Weather Statement | DVN | 44 min |
| Jun 25, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 5:17 AM CDT | Special Weather Statement | DVN | 43 min |
| Jun 25, 5:48 AM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| Jun 25, 6:30 AM CDT | Severe Thunderstorm Warning | DVN | 15 min |
| Jun 25, 4:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 25, 7:58 PM CDT | Severe Thunderstorm Warning | DVN | 22 min |
| Jul 2, 2:04 AM CDT | Flood Watch | DVN | 23 hr |
| Jul 2, 6:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 10, 3:47 PM CDT | Special Weather Statement | DVN | 43 min |
| Jul 13, 2:30 PM CDT | Special Weather Statement | DVN | 60 min |
| Jul 13, 10:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 13, 11:16 PM CDT | Special Weather Statement | DVN | 44 min |
| Jul 13, 11:44 PM CDT | Severe Thunderstorm Warning | DVN | 30 min |
| Jul 14, 2:20 AM CDT | Heat Advisory | DVN | 19 hr |
| Jul 14, 5:48 AM CDT | Special Weather Statement | DVN | 42 min |
| Jul 14, 6:11 AM CDT | Special Weather Statement | DVN | 49 min |
| Jul 14, 3:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 14, 5:55 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 14, 7:45 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Jul 14, 7:47 PM CDT | Severe Thunderstorm Warning | DVN | 58 min |
| Jul 14, 7:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 14, 8:21 PM CDT | Flash Flood Warning | DVN | 4 hr |
| Jul 14, 8:25 PM CDT | Severe Thunderstorm Warning | DVN | 35 min |
| Jul 15, 2:33 AM CDT | Heat Advisory | DVN | 17 hr |
| Jul 15, 1:59 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 15, 2:22 PM CDT | Flood Watch | DVN | 8 hr |
| Jul 15, 3:18 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 15, 5:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 6:28 PM CDT | Severe Thunderstorm Warning | DVN | 77 min |
| Jul 15, 6:38 PM CDT | Tornado Warning | DVN | 52 min |
| Jul 15, 6:53 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 15, 6:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 15, 7:12 PM CDT | Tornado Warning | DVN | 48 min |
| Jul 15, 8:44 PM CDT | River Flood Warning | DVN | 7 days |
| Jul 20, 11:38 AM CDT | River Flood Watch | DVN | 9 hr |
| Jul 31, 6:39 AM CDT | Special Weather Statement | DVN | 66 min |
| Aug 5, 5:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 5, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 5, 7:26 PM CDT | Tornado Warning | DVN | 32 min |
| Aug 5, 11:38 PM CDT | Mesoscale Discussion | SPC | 37 min |
| Aug 16, 1:53 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 25, 2:11 AM CDT | Excessive Heat Watch | DVN | 37 hr |
| Aug 25, 2:11 AM CDT | Excessive Heat Warning | DVN | 66 hr |
| Aug 27, 11:03 PM CDT | Special Weather Statement | DVN | 42 min |
| Oct 14, 2:51 AM CDT | Freeze Watch | DVN | 11 hr |
| Oct 14, 2:07 PM CDT | Freeze Warning | DVN | 43 hr |
| Oct 29, 10:12 AM CDT | Red Flag Warning | DVN | 8 hr |
| Oct 31, 9:07 AM CDT | Special Weather Statement | DVN | 38 min |
| Nov 17, 11:12 PM CST | Dense Fog Advisory | DVN | 7 hr |
| Nov 21, 1:55 AM CST | Wind Advisory | DVN | 18 hr |
| Dec 4, 2:28 AM CST | Wind Advisory | DVN | 22 hr |
| Dec 12, 2:39 PM CST | Winter Weather Advisory | DVN | 51 hr |
| Dec 14, 4:58 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 14, 9:31 PM CST | Dense Fog Advisory | DVN | 14 hr |
| Dec 15, 2:35 PM CST | Dense Fog Advisory | DVN | 21 hr |
| Dec 25, 1:27 PM CST | Dense Fog Advisory | DVN | 42 hr |
| Dec 28, 8:19 PM CST | Dense Fog Advisory | DVN | 16 hr |
| Dec 29, 6:58 PM CST | Dense Fog Advisory | DVN | 19 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 archive20232025
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.