Alert archive / Wisconsin / Monroe County
Weather alerts in Monroe County, Wisconsin, 2026
115 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Monroe County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 115
- Warnings
- 34
- Watches
- 23
- Advisories
- 22
- Busiest month
- April37 alerts
- Busiest day
- April 14, 202612 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Monroe County in 2026 had a tornado report inside them.
Monroe County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 16 | 10 | 38% | 9 | 56% | 15 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 59 | 16 | 73% | 34 | 76% | 22 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 200 | 89 | 55% | 240 | 76% | 23 min |
| NWS La Crosse, WI: flash flood warnings | 16 | 7 | 56% | 21 | 76% | 142 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, 3:41 AM CST | Winter Weather Advisory | ARX | 20 hr |
| Jan 5, 4:10 AM CST | Winter Weather Advisory | ARX | 35 hr |
| Jan 17, 1:38 PM CST | Cold Weather Advisory | ARX | 68 hr |
| Jan 20, 12:47 PM CST | Extreme Cold Watch | ARX | 46 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 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 |
| Feb 27, 2:25 AM CST | Winter Weather Advisory | ARX | 38 hr |
| Mar 10, 3:26 AM CDT | Winter Weather Advisory | ARX | 31 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 13, 12:28 PM CDT | Winter Storm Warning | ARX | 54 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 31, 6:56 AM CDT | Severe Thunderstorm Warning | ARX | 34 min |
| Apr 1, 1:39 AM CDT | Winter Weather Advisory | ARX | 32 hr |
| Apr 3, 8:58 PM CDT | Flash Flood Warning | ARX | 4 hr |
| Apr 4, 2:04 AM CDT | River Flood Warning | ARX | 12 hr |
| Apr 12, 10:28 PM CDT | Flood Watch | ARX | 4 min |
| Apr 13, 2:23 AM CDT | Flood Watch | ARX | 24 hr |
| Apr 13, 1:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 13, 3:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 13, 7:34 PM CDT | Severe Thunderstorm Warning | ARX | 56 min |
| Apr 13, 7:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 13, 8:29 PM CDT | Severe Thunderstorm Warning | ARX | 46 min |
| Apr 13, 8:49 PM CDT | Severe Thunderstorm Warning | ARX | 41 min |
| Apr 13, 9:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 13, 9:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 13, 9:46 PM CDT | Special Weather Statement | ARX | 59 min |
| Apr 13, 10:04 PM CDT | Flash Flood Warning | ARX | 3 hr |
| Apr 14, 2:33 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 14, 4:17 PM CDT | Severe Thunderstorm Warning | ARX | 43 min |
| Apr 14, 4:53 PM CDT | Severe Thunderstorm Warning | ARX | 52 min |
| Apr 14, 5:33 PM CDT | Severe Thunderstorm Warning | ARX | 42 min |
| Apr 15, 9:56 AM CDT | Areal Flood Warning | ARX | 72 hr |
| Apr 15, 12:16 PM CDT | Flood Watch | ARX | 15 hr |
| Apr 16, 12:53 PM CDT | Flood Watch | ARX | 31 hr |
| Apr 17, 9:23 AM CDT | Severe Thunderstorm Watch | SPC | 11 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, 3:10 PM CDT | Severe Thunderstorm Warning | ARX | 50 min |
| Apr 17, 5:37 PM CDT | Severe Thunderstorm Warning | ARX | 38 min |
| Apr 23, 6:05 PM CDT | Special Weather Statement | ARX | 25 min |
| Apr 23, 6:55 PM CDT | Special Weather Statement | ARX | 35 min |
| Apr 23, 8:32 PM CDT | Special Weather Statement | ARX | 28 min |
| Apr 23, 9:16 PM CDT | Severe Thunderstorm Warning | ARX | 59 min |
| Apr 27, 11:21 AM CDT | Special Weather Statement | ARX | 54 min |
| Apr 27, 11:47 AM CDT | Special Weather Statement | ARX | 88 min |
| Apr 27, 12:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 29, 12:56 PM CDT | Freeze Warning | ARX | 19 hr |
| Apr 30, 1:25 PM CDT | Freeze Warning | ARX | 19 hr |
| May 1, 2:25 AM CDT | Freeze Warning | ARX | 30 hr |
| May 5, 1:08 PM CDT | Freeze Warning | ARX | 19 hr |
| May 6, 1:09 PM CDT | Frost Advisory | ARX | 19 hr |
| May 7, 12:58 PM CDT | Frost Advisory | ARX | 19 hr |
| May 9, 1:25 PM CDT | Frost Advisory | ARX | 19 hr |
| May 10, 12:00 PM CDT | Freeze Warning | ARX | 20 hr |
| May 12, 3:46 PM CDT | Wind Advisory | ARX | 4 hr |
| May 13, 12:54 PM CDT | Frost Advisory | ARX | 18 hr |
| May 15, 5:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 10:08 PM CDT | Special Weather Statement | ARX | 52 min |
| May 27, 3:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 27, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 5, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 5:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 8:17 PM CDT | Special Weather Statement | ARX | 28 min |
| Jun 5, 8:29 PM CDT | Severe Thunderstorm Warning | ARX | 61 min |
| Jun 5, 8:36 PM CDT | Tornado Warning | ARX | 24 min |
| Jun 5, 9:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 8, 4:58 PM CDT | Special Weather Statement | ARX | 92 min |
| Jun 10, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 11, 2:47 AM CDT | Flood Watch | ARX | 15 hr |
| Jun 11, 11:32 AM CDT | Severe Thunderstorm Warning | ARX | 28 min |
| Jun 11, 11:54 AM CDT | Special Weather Statement | ARX | 36 min |
| Jun 24, 12:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 24, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 24, 5:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| 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, 7:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 30, 9:26 PM CDT | Heat Advisory | ARX | 20 hr |
| Jul 1, 6:59 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 1, 6:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 10:01 PM CDT | Areal Flood Advisory | ARX | 3 hr |
| Jul 1, 10:21 PM CDT | Severe Thunderstorm Warning | ARX | 39 min |
| Jul 1, 10:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 2, 2:03 AM CDT | Areal Flood Advisory | ARX | 6 hr |
| Jul 2, 8:07 AM CDT | Flood Watch | ARX | 36 hr |
| Jul 2, 8:15 AM CDT | River Flood Warning | ARX | 7 hr |
| Jul 2, 11:16 AM CDT | Areal Flood Warning | ARX | 12 hr |
| Jul 8, 1:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 1:59 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 12, 1:33 PM CDT | Heat Advisory | ARX | 3 days |
| Jul 20, 1:53 PM CDT | Mesoscale Discussion | SPC | 2 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, 4:21 PM CDT | Special Weather Statement | ARX | 84 min |
| Aug 9, 7:16 AM CDT | Special Weather Statement | ARX | 44 min |
| Aug 9, 7:41 AM CDT | Severe Thunderstorm Warning | ARX | 34 min |
| Aug 18, 1:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 18, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 18, 3:54 PM CDT | Severe Thunderstorm Warning | ARX | 66 min |
| Sep 1, 11:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 2:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Sep 2, 2:25 AM CDT | Severe Thunderstorm Warning | ARX | 50 min |
| Sep 3, 7:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Sep 6, 2:46 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Sep 13, 8:18 AM CDT | Frost Advisory | ARX | 24 hr |
| Sep 17, 8:08 PM CDT | Flood Watch | ARX | 59 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.