Alert archive / Wisconsin / Douglas County
Weather alerts in Douglas County, Wisconsin, 2026
133 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Douglas County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 133
- Warnings
- 26
- Watches
- 14
- Advisories
- 51
- Busiest month
- June28 alerts
- Busiest day
- June 29, 20268 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Douglas County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 10 | 33% | 4 | 75% | 21 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Duluth, MN: tornado warnings | 14 | 0 | 100% | 2 | 0% | |
| NWS Duluth, MN: severe thunderstorm warnings | 125 | 70 | 44% | 191 | 81% | 25 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 4, 2:31 AM CST | Winter Weather Advisory | DLH | 21 hr |
| Jan 5, 2:22 PM CST | Dense Fog Advisory | DLH | 22 hr |
| Jan 7, 6:16 PM CST | Dense Fog Advisory | DLH | 26 hr |
| Jan 12, 1:50 PM CST | Winter Weather Advisory | DLH | 40 hr |
| Jan 15, 1:55 PM CST | Winter Storm Warning | DLH | 48 hr |
| Jan 15, 1:55 PM CST | Winter Weather Advisory | DLH | 52 hr |
| Jan 17, 1:10 PM CST | Cold Weather Advisory | DLH | 71 hr |
| Jan 20, 12:43 PM CST | Cold Weather Advisory | DLH | 49 hr |
| Jan 20, 12:43 PM CST | Extreme Cold Watch | DLH | 49 hr |
| Jan 20, 12:43 PM CST | Extreme Cold Warning | DLH | 4 days |
| Jan 23, 2:40 PM CST | Cold Weather Advisory | DLH | 69 hr |
| Feb 13, 12:45 PM CST | Dense Fog Advisory | DLH | 5 hr |
| Feb 15, 2:32 PM CST | Winter Storm Watch | DLH | 35 hr |
| Feb 16, 4:47 AM CST | Dense Fog Advisory | DLH | 5 hr |
| Feb 16, 1:23 PM CST | Winter Storm Warning | DLH | 55 hr |
| Feb 17, 1:45 AM CST | Winter Weather Advisory | DLH | 58 hr |
| Feb 26, 11:02 AM CST | Wind Advisory | DLH | 37 hr |
| Mar 4, 4:59 PM CST | Dense Fog Advisory | DLH | 15 hr |
| Mar 4, 9:13 PM CST | Winter Weather Advisory | DLH | 40 hr |
| Mar 5, 1:58 PM CST | Dense Fog Advisory | DLH | 31 hr |
| Mar 10, 3:24 AM CDT | Winter Weather Advisory | DLH | 30 hr |
| Mar 11, 12:54 PM CDT | Winter Storm Warning | DLH | 54 hr |
| Mar 12, 4:50 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 13, 12:58 PM CDT | Winter Storm Warning | DLH | 60 hr |
| Mar 14, 1:50 PM CDT | Blizzard Warning | DLH | 37 hr |
| Mar 30, 11:09 AM CDT | Winter Weather Advisory | DLH | 24 hr |
| Mar 31, 2:24 PM CDT | Winter Storm Watch | DLH | 11 hr |
| Apr 1, 1:13 AM CDT | Winter Weather Advisory | DLH | 54 hr |
| Apr 1, 1:59 PM CDT | Winter Storm Watch | DLH | 36 hr |
| Apr 3, 2:10 AM CDT | Ice Storm Warning | DLH | 32 hr |
| Apr 3, 2:10 AM CDT | Winter Storm Warning | DLH | 45 hr |
| Apr 3, 10:27 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 4, 9:50 AM CDT | Winter Weather Advisory | DLH | 12 hr |
| Apr 12, 3:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 14, 6:20 AM CDT | Dense Fog Advisory | DLH | 7 hr |
| Apr 14, 6:02 PM CDT | Dense Fog Advisory | DLH | 12 hr |
| Apr 15, 1:03 PM CDT | Dense Fog Advisory | DLH | 20 hr |
| Apr 17, 9:23 AM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Apr 17, 2:44 PM CDT | Severe Thunderstorm Warning | DLH | 61 min |
| Apr 17, 3:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 17, 3:27 PM CDT | Severe Thunderstorm Warning | DLH | 63 min |
| Apr 23, 7:29 PM CDT | Severe Thunderstorm Warning | DLH | 27 min |
| Apr 26, 10:54 PM CDT | Dense Fog Advisory | DLH | 9 hr |
| May 13, 9:51 AM CDT | Fire Weather Watch | DLH | 26 hr |
| May 14, 11:25 AM CDT | Red Flag Warning | DLH | 34 hr |
| May 18, 6:56 PM CDT | Dense Fog Advisory | DLH | 113 min |
| May 19, 2:09 PM CDT | Frost Advisory | DLH | 18 hr |
| May 20, 2:12 PM CDT | Frost Advisory | DLH | 18 hr |
| May 21, 8:08 AM CDT | Beach Hazards Statement | DLH | 14 hr |
| May 21, 11:06 AM CDT | Frost Advisory | DLH | 20 hr |
| May 21, 11:59 PM CDT | Beach Hazards Statement | DLH | 22 hr |
| May 23, 5:24 AM CDT | Beach Hazards Statement | DLH | 15 hr |
| May 24, 12:44 AM CDT | Dense Fog Advisory | DLH | 8 hr |
| May 27, 4:03 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| May 30, 12:08 AM CDT | Beach Hazards Statement | DLH | 22 hr |
| Jun 1, 2:17 AM CDT | Beach Hazards Statement | DLH | 19 hr |
| Jun 5, 12:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 5, 2:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 7, 2:42 AM CDT | Beach Hazards Statement | DLH | 19 hr |
| Jun 8, 2:13 PM CDT | Dense Fog Advisory | DLH | 20 hr |
| Jun 9, 1:37 PM CDT | Dense Fog Advisory | DLH | 17 hr |
| Jun 10, 2:39 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 10, 4:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 10, 8:30 AM CDT | Dense Fog Advisory | DLH | 5 hr |
| Jun 10, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 10, 5:18 PM CDT | Severe Thunderstorm Warning | DLH | 31 min |
| Jun 11, 6:40 PM CDT | Special Weather Statement | DLH | 80 min |
| Jun 17, 3:48 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Jun 22, 7:34 AM CDT | Dense Fog Advisory | DLH | 114 min |
| Jun 24, 1:01 PM CDT | Severe Thunderstorm Warning | DLH | 27 min |
| Jun 27, 3:52 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 28, 4:43 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 28, 12:45 PM CDT | Heat Advisory | DLH | 54 hr |
| Jun 29, 1:30 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 29, 4:53 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 29, 10:13 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 29, 11:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 29, 2:11 PM CDT | Areal Flood Advisory | DLH | 2 hr |
| Jun 29, 2:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 2:37 PM CDT | Severe Thunderstorm Warning | DLH | 53 min |
| Jun 29, 3:21 PM CDT | Severe Thunderstorm Warning | DLH | 54 min |
| Jun 29, 7:48 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 30, 1:14 AM CDT | Severe Thunderstorm Warning | DLH | 61 min |
| Jul 2, 4:35 AM CDT | Heat Advisory | DLH | 15 hr |
| Jul 4, 2:57 AM CDT | Beach Hazards Statement | DLH | 19 hr |
| Jul 10, 1:00 PM CDT | Heat Advisory | DLH | 32 hr |
| Jul 10, 1:00 PM CDT | Extreme Heat Watch | DLH | 25 hr |
| Jul 11, 1:33 PM CDT | Heat Advisory | DLH | 4 days |
| Jul 11, 1:33 PM CDT | Extreme Heat Warning | DLH | 4 days |
| Jul 16, 12:44 AM CDT | Beach Hazards Statement | DLH | 14 hr |
| Jul 17, 12:55 AM CDT | Heat Advisory | DLH | 20 hr |
| Jul 17, 2:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 17, 5:44 PM CDT | Severe Thunderstorm Warning | DLH | 31 min |
| Jul 17, 6:49 PM CDT | Severe Thunderstorm Warning | DLH | 41 min |
| Jul 17, 7:27 PM CDT | Severe Thunderstorm Warning | DLH | 48 min |
| Jul 19, 1:12 AM CDT | Heat Advisory | DLH | 19 hr |
| Jul 20, 12:13 AM CDT | Heat Advisory | DLH | 19 hr |
| Jul 24, 2:07 PM CDT | Heat Advisory | DLH | 31 hr |
| Jul 24, 2:07 PM CDT | Extreme Heat Watch | DLH | 22 hr |
| Jul 25, 11:52 AM CDT | Extreme Heat Warning | DLH | 33 hr |
| Jul 26, 1:00 AM CDT | Dense Fog Advisory | DLH | 8 hr |
| Jul 26, 8:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 26, 11:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 27, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 2:00 AM CDT | Severe Thunderstorm Warning | DLH | 60 min |
| Jul 27, 8:48 AM CDT | Beach Hazards Statement | DLH | 12 hr |
| Jul 28, 3:58 AM CDT | Dense Fog Advisory | DLH | 6 hr |
| Jul 28, 2:31 PM CDT | Heat Advisory | DLH | 28 hr |
| Aug 14, 4:05 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Aug 25, 1:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 25, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 25, 5:23 PM CDT | Severe Thunderstorm Warning | DLH | 67 min |
| Aug 25, 5:52 PM CDT | Severe Thunderstorm Warning | DLH | 53 min |
| Aug 25, 6:38 PM CDT | Severe Thunderstorm Warning | DLH | 67 min |
| Aug 25, 6:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 30, 2:44 AM CDT | Beach Hazards Statement | DLH | 19 hr |
| Sep 1, 4:10 AM CDT | Dense Fog Advisory | DLH | 4 hr |
| Sep 3, 4:45 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Sep 3, 9:46 PM CDT | Areal Flood Advisory | DLH | 94 min |
| Sep 3, 11:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 3:50 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Sep 13, 3:26 AM CDT | Frost Advisory | DLH | 29 hr |
| Sep 18, 3:53 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Sep 19, 5:03 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 20, 4:20 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Sep 21, 2:42 AM CDT | Beach Hazards Statement | DLH | 19 hr |
| Sep 21, 12:59 PM CDT | Frost Advisory | DLH | 19 hr |
| Sep 22, 4:46 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Sep 22, 1:04 PM CDT | Frost Advisory | DLH | 19 hr |
| Sep 23, 3:25 AM CDT | Beach Hazards Statement | DLH | 19 hr |
| Sep 25, 3:33 AM CDT | Dense Fog Advisory | DLH | 4 hr |
| Sep 26, 1:40 AM CDT | Beach Hazards Statement | DLH | 20 hr |
| Sep 27, 9:35 PM CDT | Dense Fog Advisory | DLH | 12 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 15 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 16 |
| Special Weather Statement | 1 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 9 |
| Heat | |
| Extreme Heat Warning | 2 |
| Extreme Heat Watch | 2 |
| Heat Advisory | 9 |
| Cold | |
| Extreme Cold Warning | 1 |
| Extreme Cold Watch | 1 |
| Cold Weather Advisory | 3 |
| Frost Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 21 |
| Coast and beach | |
| Beach Hazards Statement | 25 |
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.