Alert archive / Minnesota / Watonwan County
Weather alerts in Watonwan County, Minnesota, 2026
114 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Watonwan County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 114
- Warnings
- 31
- Watches
- 24
- Advisories
- 25
- Busiest month
- July21 alerts
- Busiest day
- April 13, 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.
2 of 4 tornado warnings covering Watonwan County in 2026 had a tornado report inside them.
Watonwan County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 0 | ||
| Severe thunderstorm warnings | 13 | 6 | 54% | 13 | 100% | 25 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 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 15, 1:32 PM CST | Winter Weather Advisory | MPX | 34 hr |
| Jan 17, 1:45 PM CST | Cold Weather Advisory | MPX | 46 hr |
| Jan 17, 1:45 PM CST | Winter Weather Advisory | MPX | 34 hr |
| Jan 20, 12:57 PM CST | Extreme Cold Watch | MPX | 45 hr |
| Jan 20, 1:51 PM CST | Winter Weather Advisory | MPX | 30 hr |
| Jan 21, 10:14 AM CST | Blizzard Warning | MPX | 8 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 17, 2:42 PM CST | Wind Advisory | MPX | 25 hr |
| Feb 18, 2:25 AM CST | Winter Weather Advisory | MPX | 30 hr |
| Feb 27, 2:49 AM CST | Winter Weather Advisory | MPX | 38 hr |
| Feb 28, 5:35 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 3, 11:55 PM CST | Dense Fog Advisory | MPX | 12 hr |
| Mar 5, 2:58 PM CST | Winter Weather Advisory | MPX | 40 hr |
| Mar 11, 12:47 PM CDT | High Wind Watch | MPX | 9 hr |
| Mar 11, 10:01 PM CDT | High Wind Warning | 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, 9:49 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 15, 12:05 PM CDT | Winter Weather Advisory | MPX | 22 hr |
| Mar 19, 1:44 AM CDT | Dense Fog Advisory | MPX | 9 hr |
| Mar 26, 1:43 PM CDT | Fire Weather Watch | MPX | 22 hr |
| Mar 27, 11:13 AM CDT | Red Flag Warning | MPX | 34 hr |
| Mar 31, 2:50 PM CDT | Winter Weather Advisory | MPX | 48 hr |
| Apr 13, 2:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 13, 3:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 13, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | 48 min |
| Apr 13, 5:58 PM CDT | Tornado Warning | MPX | 47 min |
| Apr 13, 6:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 13, 6:41 PM CDT | Severe Thunderstorm Warning | MPX | 58 min |
| Apr 13, 6:46 PM CDT | Severe Thunderstorm Warning | MPX | 67 min |
| Apr 13, 7:40 PM CDT | Severe Thunderstorm Warning | MPX | 23 min |
| Apr 14, 4:42 AM CDT | Dense Fog Advisory | MPX | 4 hr |
| Apr 19, 1:40 PM CDT | Fire Weather Watch | MPX | 12 hr |
| Apr 20, 1:21 AM CDT | Red Flag Warning | MPX | 19 hr |
| Apr 21, 12:12 PM CDT | Red Flag Warning | MPX | 32 hr |
| Apr 23, 11:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 23, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 23, 3:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 23, 5:21 PM CDT | Severe Thunderstorm Warning | MPX | 24 min |
| Apr 23, 5:45 PM CDT | Severe Thunderstorm Warning | MPX | 30 min |
| May 1, 1:03 PM CDT | Freeze Warning | MPX | 19 hr |
| May 5, 12:53 PM CDT | Frost Advisory | MPX | 19 hr |
| May 9, 12:59 PM CDT | Frost Advisory | MPX | 17 hr |
| May 10, 1:00 PM CDT | Frost Advisory | MPX | 19 hr |
| May 11, 2:59 PM CDT | Red Flag Warning | MPX | 30 hr |
| May 12, 1:59 PM CDT | Blowing Dust Advisory | MPX | 5 hr |
| May 13, 2:22 PM CDT | Red Flag Warning | MPX | 31 hr |
| May 17, 5:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 17, 6:12 PM CDT | Tornado Watch | SPC | 6 hr |
| May 17, 7:11 PM CDT | Severe Thunderstorm Warning | MPX | 49 min |
| May 17, 7:12 PM CDT | Tornado Warning | MPX | 33 min |
| May 17, 7:32 PM CDT | Severe Thunderstorm Warning | MPX | 58 min |
| May 17, 7:40 PM CDT | Tornado Warning | MPX | 24 min |
| May 17, 7:48 PM CDT | Tornado Warning | MPX | 42 min |
| May 17, 7:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 17, 9:19 PM CDT | Severe Thunderstorm Warning | MPX | 56 min |
| May 24, 4:53 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 24, 6:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 24, 8:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 25, 7:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 5, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 9:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 1:12 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 2:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 12:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 23, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| 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, 4:51 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 28, 5:59 AM CDT | Severe Thunderstorm Warning | MPX | 61 min |
| Jun 28, 12:32 PM CDT | Heat Advisory | MPX | 56 hr |
| Jun 29, 6:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 8:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 30, 1:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 2:46 AM CDT | Severe Thunderstorm Warning | MPX | 59 min |
| Jun 30, 2:59 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 4:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 1, 3:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 1, 6:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 10:53 AM CDT | Severe Thunderstorm Warning | MPX | 52 min |
| Jul 2, 11:26 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 2, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 2, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 8:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 2, 9:42 PM CDT | Special Weather Statement | MPX | 48 min |
| 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 19, 1:53 PM CDT | Heat Advisory | MPX | 29 hr |
| Jul 24, 1:50 AM CDT | Extreme Heat Watch | MPX | 11 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 25, 7:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 7:58 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 25, 11:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 2:19 AM CDT | Heat Advisory | MPX | 42 hr |
| Jul 30, 4:08 PM CDT | Flood Watch | MPX | 20 hr |
| Aug 7, 10:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 8, 9:01 PM CDT | Special Weather Statement | MPX | 44 min |
| Aug 9, 4:38 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 9, 5:12 AM CDT | Special Weather Statement | MPX | 63 min |
| Aug 20, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 20, 6:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 29, 5:50 AM CDT | Special Weather Statement | MPX | 40 min |
| Sep 1, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 1, 11:30 PM CDT | Severe Thunderstorm Warning | MPX | 45 min |
| Sep 1, 11:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 6, 8:34 AM CDT | Special Weather Statement | MPX | 41 min |
| Sep 6, 10:26 AM CDT | Flood Watch | MPX | 8 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.