Alert archive / Minnesota / Pennington County
Weather alerts in Pennington County, Minnesota, 2025
125 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pennington County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 125
- Warnings
- 29
- Watches
- 21
- Advisories
- 56
- Busiest month
- July20 alerts
- Busiest day
- July 4, 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.
Pennington County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 17 | 13 | 24% | 6 | 83% | 27 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 3, 1:53 PM CST | Cold Weather Advisory | FGF | 22 hr |
| Jan 4, 1:32 PM CST | Cold Weather Advisory | FGF | 20 hr |
| Jan 12, 1:35 PM CST | Cold Weather Advisory | FGF | 22 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 | Cold Weather Advisory | FGF | 28 hr |
| Jan 17, 2:00 PM CST | Extreme Cold Warning | FGF | 4 days |
| Jan 22, 1:49 PM CST | Cold Weather Advisory | FGF | 19 hr |
| Jan 24, 8:03 PM CST | Winter Weather Advisory | FGF | 22 hr |
| Jan 28, 2:13 AM CST | Wind Advisory | FGF | 16 hr |
| Feb 5, 3:52 AM CST | Winter Weather Advisory | FGF | 36 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 | Cold Weather Advisory | FGF | 31 hr |
| Feb 27, 12:50 PM CST | Wind Advisory | FGF | 28 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 | Winter Weather Advisory | FGF | 23 hr |
| Mar 22, 3:07 AM CDT | Winter Weather Advisory | FGF | 40 hr |
| Mar 27, 3:11 AM CDT | Winter Weather Advisory | FGF | 42 hr |
| Apr 1, 3:14 AM CDT | Winter Weather Advisory | FGF | 40 hr |
| Apr 2, 6:57 PM CDT | Winter Weather Advisory | FGF | 6 hr |
| Apr 11, 12:45 AM CDT | Dense Fog Advisory | FGF | 8 hr |
| Apr 28, 2:29 AM CDT | Wind Advisory | FGF | 22 hr |
| May 4, 2:06 AM CDT | Red Flag Warning | FGF | 19 hr |
| May 5, 2:48 AM CDT | Red Flag Warning | FGF | 18 hr |
| May 8, 2:53 PM CDT | Fire Weather Watch | FGF | 47 hr |
| May 10, 2:35 AM CDT | Red Flag Warning | FGF | 18 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, 2:55 AM CDT | Wind Advisory | FGF | 17 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, 3:45 PM CDT | Severe Thunderstorm Warning | FGF | 60 min |
| May 15, 4:04 PM CDT | Severe Thunderstorm Warning | FGF | 41 min |
| May 17, 1:56 PM CDT | Frost Advisory | FGF | 18 hr |
| May 21, 2:06 PM CDT | Frost Advisory | FGF | 19 hr |
| Jun 7, 3:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 7, 5:29 PM CDT | Special Weather Statement | FGF | 46 min |
| Jun 20, 7:08 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 20, 7:54 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 20, 11:49 PM CDT | Severe Thunderstorm Warning | FGF | 56 min |
| Jun 21, 2:07 AM CDT | Severe Thunderstorm Warning | FGF | 53 min |
| Jun 21, 2:59 AM CDT | Severe Thunderstorm Warning | FGF | 31 min |
| Jun 22, 7:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 22, 9:09 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 22, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 22, 2:58 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 22, 5:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 28, 5:21 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 3, 12:05 PM CDT | Heat Advisory | FGF | 31 hr |
| Jul 4, 2:51 AM CDT | Severe Thunderstorm Warning | FGF | 39 min |
| Jul 4, 2:51 AM CDT | Severe Thunderstorm Warning | FGF | 39 min |
| Jul 4, 11:17 AM CDT | Flood Watch | FGF | 11 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 7, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 12:15 AM CDT | Special Weather Statement | FGF | 30 min |
| Jul 10, 12:49 AM CDT | Special Weather Statement | FGF | 56 min |
| Jul 14, 10:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 14, 11:28 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 15, 1:41 AM CDT | Special Weather Statement | FGF | 34 min |
| Jul 19, 12:39 AM CDT | Dense Fog Advisory | FGF | 9 hr |
| Jul 25, 2:17 PM CDT | Heat Advisory | FGF | 30 hr |
| Jul 26, 11:48 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 1:09 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 27, 2:35 AM CDT | Severe Thunderstorm Warning | FGF | 55 min |
| Jul 27, 3:23 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 27, 3:25 AM CDT | Severe Thunderstorm Warning | FGF | 65 min |
| Aug 7, 11:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 4:28 AM CDT | Severe Thunderstorm Warning | FGF | 62 min |
| Aug 8, 4:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 8, 5:27 AM CDT | Severe Thunderstorm Warning | FGF | 63 min |
| Aug 11, 4:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 8:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 14, 9:39 PM CDT | Severe Thunderstorm Warning | FGF | 66 min |
| Aug 14, 10:27 PM CDT | Severe Thunderstorm Warning | FGF | 63 min |
| Aug 14, 11:17 PM CDT | Severe Thunderstorm Warning | FGF | 58 min |
| Aug 21, 7:55 PM CDT | Severe Thunderstorm Warning | FGF | 50 min |
| Aug 22, 3:00 AM CDT | Wind Advisory | FGF | 17 hr |
| Aug 27, 6:54 PM CDT | Special Weather Statement | FGF | 36 min |
| Aug 31, 3:16 AM CDT | Dense Fog Advisory | FGF | 9 hr |
| Sep 3, 1:58 PM CDT | Frost Advisory | FGF | 18 hr |
| Sep 5, 2:37 PM CDT | Frost Advisory | FGF | 17 hr |
| Sep 6, 2:15 PM CDT | Frost Advisory | FGF | 18 hr |
| Sep 9, 3:17 AM CDT | Dense Fog Advisory | FGF | 7 hr |
| Sep 12, 5:40 AM CDT | Severe Thunderstorm Warning | FGF | 65 min |
| Sep 12, 6:07 AM CDT | Severe Thunderstorm Warning | FGF | 38 min |
| Sep 13, 4:55 AM CDT | Dense Fog Advisory | FGF | 5 hr |
| Sep 24, 3:08 AM CDT | Dense Fog Advisory | FGF | 9 hr |
| Oct 5, 2:41 AM CDT | Wind Advisory | FGF | 16 hr |
| Oct 5, 2:57 PM CDT | Frost Advisory | FGF | 18 hr |
| Oct 6, 1:35 PM CDT | Frost Advisory | FGF | 19 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 25, 2:13 PM CDT | Wind Advisory | FGF | 28 hr |
| Nov 2, 1:49 AM CST | Wind Advisory | FGF | 16 hr |
| Nov 23, 2:10 PM CST | Winter Storm Watch | FGF | 24 hr |
| Nov 24, 2:04 PM CST | Winter Weather Advisory | FGF | 34 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 11, 1:56 PM CST | Cold Weather Advisory | FGF | 70 hr |
| Dec 12, 2:33 PM CST | Cold Weather Advisory | FGF | 45 hr |
| Dec 12, 2:33 PM CST | Extreme Cold Warning | FGF | 21 hr |
| Dec 15, 1:37 PM CST | Wind Advisory | FGF | 28 hr |
| Dec 16, 2:06 PM CST | Winter Storm Watch | FGF | 23 hr |
| Dec 17, 12:51 PM CST | Cold Weather Advisory | FGF | 47 hr |
| Dec 17, 12:56 PM CST | Blizzard Warning | FGF | 29 hr |
| Dec 18, 9:09 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 19, 3:33 AM CST | Winter Weather Advisory | FGF | 16 hr |
| Dec 25, 2:56 AM CST | Winter Weather Advisory | FGF | 24 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 | 17 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 5 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 16 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Extreme Cold Warning | 3 |
| Freeze Warning | 1 |
| Extreme Cold Watch | 1 |
| Freeze Watch | 1 |
| Cold Weather Advisory | 14 |
| Frost Advisory | 7 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
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.