Alert archive / Wisconsin / Chippewa County
Weather alerts in Chippewa County, Wisconsin, 2026
77 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chippewa County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 77
- Warnings
- 19
- Watches
- 13
- Advisories
- 20
- Busiest month
- June21 alerts
- Busiest day
- June 10, 20267 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Chippewa County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 6 | 2 | 67% | 4 | 0% | |
| 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 Twin Cities, MN: tornado warnings | 24 | 6 | 75% | 13 | 77% | 20 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 197 | 98 | 50% | 327 | 76% | 22 min |
| NWS Twin Cities, MN: flash flood warnings | 11 | 6 | 45% | 11 | 91% | 57 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, 3:09 AM CST | Winter Weather Advisory | MPX | 15 hr |
| Jan 5, 4:03 AM CST | Winter Weather Advisory | MPX | 35 hr |
| Jan 5, 11:00 AM CST | Dense Fog Advisory | MPX | 28 hr |
| Jan 8, 12:16 AM CST | Dense Fog Advisory | MPX | 10 hr |
| Jan 17, 1:45 PM CST | Cold Weather Advisory | MPX | 46 hr |
| Jan 20, 12:57 PM CST | Extreme Cold Watch | MPX | 45 hr |
| Jan 21, 12:02 PM CST | Extreme Cold Warning | MPX | 48 hr |
| Jan 22, 9:46 AM CST | Cold Weather Advisory | MPX | 47 hr |
| Jan 25, 2:19 AM CST | Cold Weather Advisory | MPX | 33 hr |
| Feb 18, 2:25 AM CST | Winter Weather Advisory | MPX | 30 hr |
| Mar 10, 3:44 AM CDT | Winter Weather Advisory | MPX | 30 hr |
| Mar 11, 10:01 PM CDT | Wind Advisory | MPX | 33 hr |
| Mar 12, 2:20 PM CDT | Winter Storm Watch | MPX | 19 hr |
| Mar 13, 9:37 AM CDT | Winter Storm Warning | MPX | 28 hr |
| Mar 14, 2:36 AM CDT | Blizzard Warning | MPX | 52 hr |
| Mar 14, 11:55 PM CDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 15, 5:40 AM CDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 15, 12:05 PM CDT | Winter Weather Advisory | MPX | 22 hr |
| Mar 31, 2:50 PM CDT | Winter Storm Watch | MPX | 12 hr |
| Apr 1, 3:11 AM CDT | Winter Storm Warning | MPX | 33 hr |
| Apr 1, 1:08 PM CDT | Ice Storm Warning | MPX | 23 hr |
| Apr 2, 3:55 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 13, 3:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 13, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | 33 min |
| Apr 14, 4:42 AM CDT | Dense Fog Advisory | MPX | 4 hr |
| Apr 17, 9:23 AM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Apr 17, 2:27 PM CDT | Special Weather Statement | MPX | 93 min |
| Apr 17, 2:35 PM CDT | Severe Thunderstorm Warning | MPX | 10 min |
| Apr 17, 3:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 23, 9:32 PM CDT | Special Weather Statement | MPX | 28 min |
| Apr 29, 1:01 PM CDT | Freeze Warning | MPX | 19 hr |
| Apr 30, 1:46 PM CDT | Freeze Warning | MPX | 18 hr |
| May 1, 1:03 PM CDT | Freeze Warning | MPX | 19 hr |
| May 5, 12:53 PM CDT | Freeze Warning | MPX | 19 hr |
| May 6, 1:07 PM CDT | Frost Advisory | MPX | 19 hr |
| May 7, 12:40 PM CDT | Frost Advisory | MPX | 19 hr |
| May 9, 12:59 PM CDT | Frost Advisory | MPX | 17 hr |
| May 10, 1:00 PM CDT | Freeze Warning | MPX | 19 hr |
| May 15, 5:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 9:06 PM CDT | Special Weather Statement | MPX | 84 min |
| May 27, 3:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 5, 2:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 5, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 4:28 PM CDT | Severe Thunderstorm Warning | MPX | 19 min |
| Jun 5, 4:34 PM CDT | Special Weather Statement | MPX | 56 min |
| Jun 10, 1:31 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 10, 4:21 AM CDT | Special Weather Statement | MPX | 84 min |
| Jun 10, 6:18 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 10, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 10, 1:01 PM CDT | Severe Thunderstorm Warning | MPX | 44 min |
| Jun 10, 1:29 PM CDT | Severe Thunderstorm Warning | MPX | 61 min |
| Jun 10, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 19, 1:27 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 19, 6:30 PM CDT | Severe Thunderstorm Warning | MPX | 15 min |
| Jun 24, 12:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 12:13 PM CDT | Extreme Heat Watch | MPX | 13 hr |
| Jun 28, 12:44 AM CDT | Extreme Heat Warning | MPX | 47 hr |
| Jun 28, 12:32 PM CDT | Heat Advisory | MPX | 56 hr |
| Jun 30, 2:59 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 7:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 30, 2:51 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 6:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 2:02 PM CDT | Heat Advisory | MPX | 36 hr |
| Jul 12, 2:43 AM CDT | Extreme Heat Warning | MPX | 6 days |
| Jul 13, 12:00 PM CDT | Heat Advisory | MPX | 59 hr |
| Jul 17, 1:04 AM CDT | Heat Advisory | MPX | 20 hr |
| Jul 17, 10:01 PM CDT | Special Weather Statement | MPX | 59 min |
| Jul 20, 1:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 12:59 PM CDT | Extreme Heat Watch | MPX | 23 hr |
| Jul 24, 12:59 PM CDT | Extreme Heat Warning | MPX | 56 hr |
| Jul 26, 8:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 26, 11:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 9, 9:22 AM CDT | Special Weather Statement | MPX | 38 min |
| Aug 10, 4:59 AM CDT | Dense Fog Advisory | MPX | 5 hr |
| Aug 25, 1:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 3, 7:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
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.