Alert archive / Minnesota / Otter Tail County
Weather alerts in Otter Tail County, Minnesota, 2025
136 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Otter Tail County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 136
- Warnings
- 34
- Watches
- 25
- Advisories
- 45
- Busiest month
- June32 alerts
- Busiest day
- June 16, 202510 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 6 tornado warnings covering Otter Tail County in 2025 had a tornado report inside them; 4 of 8 tornado reports fell inside a warning, on average 23 minutes after it went out.
Otter Tail County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 3 | 50% | 8 | 50% | 23 min |
| Severe thunderstorm warnings | 13 | 12 | 8% | 17 | 24% | 16 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Forks, ND: tornado warnings | 52 | 23 | 56% | 48 | 63% | 19 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 191 | 118 | 38% | 280 | 78% | 26 min |
| NWS Grand Forks, ND: flash flood warnings | 13 | 7 | 46% | 13 | 92% | 31 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 4, 1:32 PM CST | Cold Weather Advisory | FGF | 20 hr |
| Jan 11, 3:07 AM CST | Winter Weather Advisory | FGF | 36 hr |
| Jan 13, 12:19 PM CST | Cold Weather Advisory | FGF | 24 hr |
| Jan 16, 1:58 PM CST | Winter Weather Advisory | FGF | 30 hr |
| Jan 17, 2:00 PM CST | Extreme Cold Warning | FGF | 4 days |
| Jan 24, 8:03 PM CST | Winter Weather Advisory | FGF | 22 hr |
| Feb 2, 3:19 AM CST | Winter Weather Advisory | FGF | 31 hr |
| Feb 5, 3:52 AM CST | Winter Weather Advisory | FGF | 36 hr |
| Feb 6, 2:07 PM CST | Winter Storm Watch | FGF | 12 hr |
| Feb 7, 2:01 AM CST | Winter Weather Advisory | FGF | 11 hr |
| Feb 7, 1:13 PM CST | Winter Storm Warning | FGF | 22 hr |
| Feb 10, 3:00 AM CST | Cold Weather Advisory | FGF | 33 hr |
| Feb 11, 2:11 PM CST | Cold Weather Advisory | FGF | 21 hr |
| Feb 12, 12:26 PM CST | Cold Weather Advisory | FGF | 24 hr |
| Feb 15, 2:45 AM CST | Extreme Cold Watch | FGF | 23 hr |
| Feb 16, 1:53 AM CST | Extreme Cold Warning | FGF | 58 hr |
| Feb 18, 2:44 AM CST | Extreme Cold Warning | FGF | 31 hr |
| Feb 27, 12:50 PM CST | Wind Advisory | FGF | 28 hr |
| Mar 9, 3:01 AM CDT | Red Flag Warning | FGF | 40 hr |
| Mar 9, 2:58 PM CDT | Fire Weather Watch | FGF | 13 hr |
| Mar 13, 3:00 PM CDT | Winter Storm Watch | FGF | 23 hr |
| Mar 14, 2:01 PM CDT | Wind Advisory | FGF | 29 hr |
| Mar 14, 2:07 PM CDT | Blizzard Warning | FGF | 23 hr |
| Mar 15, 7:47 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 15, 1:35 PM CDT | Winter Weather Advisory | FGF | 4 hr |
| Mar 22, 3:07 AM CDT | Winter Weather Advisory | FGF | 40 hr |
| Mar 22, 2:23 PM CDT | Wind Advisory | FGF | 24 hr |
| Mar 30, 2:33 PM CDT | Winter Storm Watch | FGF | 37 hr |
| Apr 1, 3:14 AM CDT | Winter Storm Warning | FGF | 40 hr |
| Apr 2, 6:57 PM CDT | Winter Storm Warning | FGF | 11 hr |
| Apr 11, 12:45 AM CDT | Dense Fog Advisory | FGF | 8 hr |
| May 8, 2:53 PM CDT | Fire Weather Watch | FGF | 47 hr |
| May 10, 1:47 PM CDT | Fire Weather Watch | FGF | 24 hr |
| May 10, 1:47 PM CDT | Red Flag Warning | FGF | 55 hr |
| May 12, 2:46 PM CDT | Fire Weather Watch | FGF | 12 hr |
| May 13, 3:13 AM CDT | Red Flag Warning | FGF | 18 hr |
| May 13, 3:18 PM CDT | Fire Weather Watch | FGF | 12 hr |
| May 15, 12:46 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 2:21 PM CDT | Tornado Warning | FGF | 39 min |
| May 17, 1:56 PM CDT | Frost Advisory | FGF | 18 hr |
| May 19, 3:11 AM CDT | Wind Advisory | FGF | 19 hr |
| May 21, 2:06 PM CDT | Frost Advisory | FGF | 19 hr |
| Jun 2, 1:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 2, 2:06 PM CDT | Severe Thunderstorm Warning | FGF | 39 min |
| Jun 2, 2:32 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 2, 2:41 PM CDT | Severe Thunderstorm Warning | FGF | 64 min |
| Jun 16, 6:51 AM CDT | Special Weather Statement | FGF | 24 min |
| Jun 16, 7:00 AM CDT | Severe Thunderstorm Warning | FGF | 45 min |
| Jun 16, 7:31 AM CDT | Special Weather Statement | FGF | 44 min |
| Jun 16, 1:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 2:20 PM CDT | Tornado Warning | FGF | 40 min |
| Jun 16, 2:52 PM CDT | Tornado Warning | FGF | 38 min |
| Jun 16, 2:52 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 16, 3:05 PM CDT | Tornado Warning | FGF | 25 min |
| Jun 16, 3:23 PM CDT | Tornado Warning | FGF | 37 min |
| Jun 16, 4:00 PM CDT | Tornado Warning | FGF | 30 min |
| Jun 18, 2:45 PM CDT | Extreme Heat Watch | FGF | 36 hr |
| Jun 19, 8:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 9:11 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 19, 11:53 PM CDT | Severe Thunderstorm Warning | FGF | 67 min |
| Jun 20, 12:43 AM CDT | Severe Thunderstorm Warning | FGF | 62 min |
| Jun 20, 2:51 AM CDT | Heat Advisory | FGF | 64 hr |
| Jun 20, 7:54 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 20, 11:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 20, 11:52 PM CDT | Severe Thunderstorm Warning | FGF | 53 min |
| Jun 21, 12:45 AM CDT | Severe Thunderstorm Warning | FGF | 60 min |
| Jun 21, 1:29 AM CDT | Severe Thunderstorm Warning | FGF | 31 min |
| Jun 22, 7:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 22, 8:05 AM CDT | Special Weather Statement | FGF | 40 min |
| Jun 22, 2:58 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 28, 12:47 AM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 28, 5:21 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 28, 8:10 PM CDT | Severe Thunderstorm Warning | FGF | 38 min |
| Jun 28, 8:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 3, 12:05 PM CDT | Heat Advisory | FGF | 31 hr |
| Jul 3, 2:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 1:10 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 4, 2:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 5:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 9:25 PM CDT | Special Weather Statement | FGF | 35 min |
| Jul 11, 12:06 PM CDT | Special Weather Statement | FGF | 24 min |
| Jul 11, 12:15 PM CDT | Special Weather Statement | FGF | 30 min |
| Jul 11, 12:50 PM CDT | Special Weather Statement | FGF | 25 min |
| Jul 15, 2:45 PM CDT | Special Weather Statement | FGF | 30 min |
| Jul 23, 4:54 AM CDT | Flood Watch | FGF | 10 hr |
| Jul 25, 2:17 PM CDT | Heat Advisory | FGF | 30 hr |
| Jul 26, 7:00 AM CDT | Special Weather Statement | FGF | 60 min |
| Jul 26, 9:17 AM CDT | Special Weather Statement | FGF | 28 min |
| Jul 26, 2:10 PM CDT | Heat Advisory | FGF | 30 hr |
| Aug 7, 11:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 3:55 AM CDT | Severe Thunderstorm Warning | FGF | 65 min |
| Aug 8, 4:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 8, 5:00 AM CDT | Severe Thunderstorm Warning | FGF | 60 min |
| Aug 8, 5:04 AM CDT | Special Weather Statement | FGF | 56 min |
| Aug 8, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 11, 4:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 7:32 PM CDT | Special Weather Statement | FGF | 43 min |
| Aug 11, 7:55 PM CDT | Severe Thunderstorm Warning | FGF | 50 min |
| Aug 15, 7:01 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 21, 5:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 31, 3:16 AM CDT | Dense Fog Advisory | FGF | 9 hr |
| Sep 9, 7:04 PM CDT | Dense Fog Advisory | FGF | 16 hr |
| Sep 12, 8:41 AM CDT | Severe Thunderstorm Warning | FGF | 64 min |
| Sep 12, 11:17 AM CDT | Mesoscale Discussion | SPC | 58 min |
| Sep 21, 11:17 PM CDT | Dense Fog Advisory | FGF | 10 hr |
| Oct 5, 2:41 AM CDT | Wind Advisory | FGF | 16 hr |
| Oct 6, 1:35 PM CDT | Freeze Watch | FGF | 13 hr |
| Oct 7, 2:29 AM CDT | Freeze Warning | FGF | 31 hr |
| Oct 11, 2:55 PM CDT | Wind Advisory | FGF | 29 hr |
| Oct 20, 3:31 AM CDT | Wind Advisory | FGF | 33 hr |
| Oct 25, 2:13 PM CDT | Wind Advisory | FGF | 28 hr |
| Nov 23, 2:10 PM CST | Winter Storm Watch | FGF | 24 hr |
| Nov 24, 2:04 PM CST | Winter Storm Warning | FGF | 34 hr |
| Nov 24, 2:04 PM CST | Winter Weather Advisory | FGF | 34 hr |
| Nov 25, 10:49 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Nov 25, 5:32 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 7, 2:06 PM CST | Winter Storm Watch | FGF | 24 hr |
| Dec 8, 1:46 PM CST | Winter Storm Warning | FGF | 33 hr |
| Dec 8, 1:46 PM CST | Winter Weather Advisory | FGF | 37 hr |
| Dec 9, 11:56 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 11, 1:56 PM CST | Cold Weather Advisory | FGF | 70 hr |
| Dec 11, 1:56 PM CST | Winter Weather Advisory | FGF | 25 hr |
| Dec 15, 1:37 PM CST | Wind Advisory | FGF | 28 hr |
| Dec 17, 12:56 PM CST | Blizzard Warning | FGF | 29 hr |
| Dec 17, 12:56 PM CST | Winter Weather Advisory | FGF | 29 hr |
| Dec 18, 9:09 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 18, 5:57 PM CST | Winter Weather Advisory | FGF | 3 hr |
| Dec 25, 2:56 AM CST | Winter Weather Advisory | FGF | 24 hr |
| Dec 26, 4:51 PM CST | Dense Fog Advisory | FGF | 31 hr |
| Dec 26, 6:09 PM CST | Winter Weather Advisory | FGF | 18 hr |
| Dec 27, 1:37 PM CST | Winter Storm Watch | FGF | 10 hr |
| Dec 27, 6:39 PM CST | Winter Weather Advisory | FGF | 38 hr |
| Dec 27, 11:20 PM CST | Blizzard Warning | FGF | 28 hr |
| Dec 28, 2:02 PM CST | Cold Weather Advisory | FGF | 19 hr |
| Dec 30, 8:44 AM CST | Winter Weather Advisory | FGF | 6 hr |
| Dec 30, 8:05 PM CST | Winter Weather Advisory | FGF | 13 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 | 13 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 12 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 3 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 18 |
| Heat | |
| Extreme Heat Watch | 1 |
| Heat Advisory | 4 |
| Cold | |
| Extreme Cold Warning | 3 |
| Freeze Warning | 1 |
| Extreme Cold Watch | 1 |
| Freeze Watch | 1 |
| Cold Weather Advisory | 7 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
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.