Alert archive / Wisconsin / Grant County
Weather alerts in Grant County, Wisconsin, 2025
100 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Grant County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 100
- Warnings
- 25
- Watches
- 10
- Advisories
- 30
- Busiest month
- July27 alerts
- Busiest day
- July 11, 20256 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 Grant County in 2025 had a tornado report inside them.
Grant County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 11 | 4 | 64% | 21 | 71% | 35 min |
| Flash flood warnings | 7 | 5 | 29% | 9 | 100% | 44 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 20 | 4 | 80% | 20 | 40% | 14 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 133 | 60 | 55% | 194 | 77% | 22 min |
| NWS La Crosse, WI: flash flood warnings | 13 | 8 | 38% | 18 | 89% | 55 min |
An office's figures cover every county it serves, including across state lines.
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 17, 1:42 PM CST | Cold Weather Advisory | ARX | 3 days |
| Jan 19, 4:06 AM CST | Cold Weather Advisory | ARX | 31 hr |
| Jan 19, 1:55 PM CST | Extreme Cold Warning | ARX | 46 hr |
| Jan 31, 1:14 AM CST | Dense Fog Advisory | ARX | 5 hr |
| Feb 5, 8:22 PM CST | Winter Weather Advisory | ARX | 7 hr |
| Feb 11, 1:14 PM CST | Winter Storm Warning | ARX | 35 hr |
| Feb 13, 1:51 PM CST | Winter Weather Advisory | ARX | 50 hr |
| Feb 16, 3:11 AM CST | Cold Weather Advisory | ARX | 42 hr |
| Feb 17, 3:25 AM CST | Cold Weather Advisory | ARX | 31 hr |
| Feb 18, 2:33 AM CST | Cold Weather Advisory | ARX | 33 hr |
| Feb 27, 1:17 PM CST | Wind Advisory | ARX | 29 hr |
| Mar 4, 3:20 AM CST | Wind Advisory | ARX | 40 hr |
| Mar 14, 5:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 14, 5:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 14, 8:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Mar 14, 9:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 14, 9:29 PM CDT | Special Weather Statement | ARX | 31 min |
| Mar 18, 2:17 PM CDT | Wind Advisory | ARX | 35 hr |
| Apr 17, 9:18 AM CDT | Special Weather Statement | ARX | 27 min |
| Apr 18, 5:05 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 5:09 AM CDT | Severe Thunderstorm Warning | ARX | 51 min |
| Apr 18, 6:16 AM CDT | Severe Thunderstorm Warning | ARX | 44 min |
| Apr 23, 10:17 PM CDT | Special Weather Statement | ARX | 58 min |
| Apr 23, 11:21 PM CDT | Special Weather Statement | ARX | 54 min |
| May 15, 2:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 3:05 PM CDT | Tornado Watch | SPC | 6 hr |
| May 15, 3:21 PM CDT | Wind Advisory | ARX | 6 hr |
| Jun 11, 6:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 18, 1:49 PM CDT | Extreme Heat Watch | ARX | 37 hr |
| Jun 20, 2:51 AM CDT | Heat Advisory | ARX | 4 days |
| Jun 23, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 23, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 23, 8:48 PM CDT | Flash Flood Warning | ARX | 117 min |
| Jun 26, 4:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 7:56 PM CDT | Severe Thunderstorm Warning | ARX | 34 min |
| Jun 26, 8:31 PM CDT | Special Weather Statement | ARX | 29 min |
| Jun 29, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 1:28 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 29, 3:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 29, 5:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 2, 5:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 3, 2:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 5:49 PM CDT | Special Weather Statement | ARX | 26 min |
| Jul 3, 6:16 PM CDT | Special Weather Statement | ARX | 44 min |
| Jul 3, 6:23 PM CDT | Special Weather Statement | ARX | 52 min |
| Jul 3, 6:31 PM CDT | Severe Thunderstorm Warning | ARX | 44 min |
| Jul 3, 7:00 PM CDT | Flash Flood Warning | ARX | 75 min |
| Jul 5, 2:07 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 12:55 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 11, 1:13 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 11, 3:10 PM CDT | Severe Thunderstorm Warning | ARX | 50 min |
| Jul 11, 3:25 PM CDT | Tornado Warning | ARX | 16 min |
| Jul 11, 3:26 PM CDT | Flash Flood Warning | ARX | 6 hr |
| Jul 11, 4:30 PM CDT | Severe Thunderstorm Warning | ARX | 75 min |
| Jul 11, 5:00 PM CDT | Flash Flood Warning | ARX | 4 hr |
| Jul 11, 8:56 PM CDT | Areal Flood Warning | ARX | 3 hr |
| Jul 16, 11:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 8:10 AM CDT | Special Weather Statement | ARX | 35 min |
| Jul 22, 1:24 PM CDT | Heat Advisory | ARX | 31 hr |
| Jul 23, 2:44 AM CDT | Special Weather Statement | ARX | 46 min |
| Jul 27, 12:42 AM CDT | Dense Fog Advisory | ARX | 8 hr |
| Jul 27, 2:15 PM CDT | Heat Advisory | ARX | 30 hr |
| Jul 28, 2:03 AM CDT | Severe Thunderstorm Warning | ARX | 36 min |
| Jul 28, 10:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 10:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 12:53 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 29, 2:53 AM CDT | Special Weather Statement | ARX | 52 min |
| Aug 8, 2:07 PM CDT | Flood Watch | ARX | 53 hr |
| Aug 9, 10:03 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 10, 6:19 AM CDT | Flash Flood Warning | ARX | 4 hr |
| Aug 10, 10:07 AM CDT | Areal Flood Warning | ARX | 2 hr |
| Aug 10, 6:10 PM CDT | Flash Flood Warning | ARX | 3 hr |
| Aug 10, 6:18 PM CDT | Special Weather Statement | ARX | 42 min |
| Aug 12, 3:51 AM CDT | Special Weather Statement | ARX | 24 min |
| Aug 15, 1:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 15, 2:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 15, 3:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 16, 7:38 PM CDT | Areal Flood Advisory | ARX | 3 hr |
| Aug 16, 8:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 17, 12:14 AM CDT | Flash Flood Warning | ARX | 2 hr |
| Sep 22, 6:02 PM CDT | Severe Thunderstorm Warning | ARX | 23 min |
| Sep 22, 6:52 PM CDT | Severe Thunderstorm Warning | ARX | 38 min |
| Sep 22, 7:29 PM CDT | Severe Thunderstorm Warning | ARX | 46 min |
| Sep 22, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | 43 min |
| Oct 22, 2:01 AM CDT | Frost Advisory | ARX | 31 hr |
| Oct 23, 2:51 AM CDT | Freeze Warning | ARX | 30 hr |
| Nov 2, 1:52 AM CDT | Dense Fog Advisory | ARX | 7 hr |
| Nov 24, 11:31 PM CST | Dense Fog Advisory | ARX | 10 hr |
| Nov 25, 2:46 AM CST | Wind Advisory | ARX | 36 hr |
| Nov 27, 2:48 AM CST | Winter Storm Watch | ARX | 24 hr |
| Nov 27, 2:31 PM CST | Winter Storm Warning | ARX | 63 hr |
| Nov 28, 2:39 AM CST | Winter Weather Advisory | ARX | 57 hr |
| Dec 5, 1:10 PM CST | Winter Weather Advisory | ARX | 38 hr |
| Dec 8, 2:59 PM CST | Winter Weather Advisory | ARX | 41 hr |
| Dec 11, 1:31 PM CST | Cold Weather Advisory | ARX | 68 hr |
| Dec 18, 11:22 AM CST | Winter Weather Advisory | ARX | 13 hr |
| Dec 24, 10:02 PM CST | Dense Fog Advisory | ARX | 8 hr |
| Dec 26, 1:38 AM CST | Dense Fog Advisory | ARX | 9 hr |
| Dec 26, 4:44 PM CST | Dense Fog Advisory | ARX | 42 hr |
| Dec 27, 3:38 AM CST | Winter Weather Advisory | ARX | 56 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 | 11 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 7 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Extreme Heat Watch | 1 |
| Heat Advisory | 3 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 1 |
| Cold Weather Advisory | 6 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.