Alert archive / North Dakota / McLean County
Weather alerts in McLean County, North Dakota, 2026
113 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McLean County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 113
- Warnings
- 51
- Watches
- 14
- Advisories
- 23
- Busiest month
- June46 alerts
- Busiest day
- June 29, 202611 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering McLean County in 2026 had a tornado report inside them; 1 of 2 tornado reports fell inside a warning, on average 7 minutes after it went out.
McLean County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 2 | 50% | 7 min |
| Severe thunderstorm warnings | 39 | 28 | 28% | 32 | 88% | 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 Bismarck, ND: tornado warnings | 21 | 4 | 81% | 11 | 36% | 13 min |
| NWS Bismarck, ND: severe thunderstorm warnings | 354 | 164 | 54% | 360 | 84% | 24 min |
| NWS Bismarck, ND: flash flood warnings | 4 | 0 | 100% | 0 |
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 |
|---|---|---|---|
| Mar 12, 2:41 PM CDT | Severe Thunderstorm Warning | BIS | 49 min |
| Apr 22, 1:09 PM CDT | Wind Advisory | BIS | 33 hr |
| Apr 24, 11:26 AM CDT | Wind Advisory | BIS | 8 hr |
| May 2, 4:18 AM CDT | Fire Weather Watch | BIS | 9 hr |
| May 2, 1:13 PM CDT | Red Flag Warning | BIS | 32 hr |
| May 8, 2:58 AM CDT | Red Flag Warning | BIS | 19 hr |
| May 8, 1:35 PM CDT | Frost Advisory | BIS | 19 hr |
| May 9, 11:39 AM CDT | Freeze Warning | BIS | 21 hr |
| May 10, 1:34 AM CDT | Fire Weather Watch | BIS | 23 hr |
| May 11, 12:51 AM CDT | Red Flag Warning | BIS | 21 hr |
| May 11, 2:01 PM CDT | Red Flag Warning | BIS | 31 hr |
| May 12, 1:28 PM CDT | Red Flag Warning | BIS | 33 hr |
| May 13, 1:28 AM CDT | Fire Weather Watch | BIS | 21 hr |
| May 13, 1:47 PM CDT | Wind Advisory | BIS | 55 hr |
| May 13, 2:02 PM CDT | Red Flag Warning | BIS | 55 hr |
| May 14, 12:44 PM CDT | Blowing Dust Advisory | BIS | 11 hr |
| May 14, 2:00 PM CDT | Blowing Dust Warning | BIS | 7 hr |
| May 18, 12:34 PM CDT | Freeze Warning | BIS | 20 hr |
| May 19, 11:35 AM CDT | Frost Advisory | BIS | 21 hr |
| May 23, 1:58 AM CDT | Dense Fog Advisory | BIS | 8 hr |
| May 29, 12:23 PM CDT | Wind Advisory | BIS | 9 hr |
| Jun 2, 11:59 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 2, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 7, 1:17 AM CDT | Wind Advisory | BIS | 19 hr |
| Jun 7, 2:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 7, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jun 7, 8:02 PM CDT | Severe Thunderstorm Warning | BIS | 58 min |
| Jun 7, 9:00 PM CDT | Severe Thunderstorm Warning | BIS | 60 min |
| Jun 7, 9:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 7, 9:12 PM CDT | Severe Thunderstorm Warning | BIS | 33 min |
| Jun 7, 9:28 PM CDT | Severe Thunderstorm Warning | BIS | 47 min |
| Jun 7, 9:38 PM CDT | Severe Thunderstorm Warning | BIS | 82 min |
| Jun 7, 10:02 PM CDT | Severe Thunderstorm Warning | BIS | 43 min |
| Jun 7, 10:12 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jun 7, 10:43 PM CDT | Severe Thunderstorm Warning | BIS | 77 min |
| Jun 9, 2:13 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 9, 4:32 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 9, 5:12 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jun 9, 5:55 PM CDT | Severe Thunderstorm Warning | BIS | 50 min |
| Jun 9, 6:12 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jun 9, 6:14 PM CDT | Severe Thunderstorm Warning | BIS | 46 min |
| Jun 9, 6:24 PM CDT | Severe Thunderstorm Warning | BIS | 36 min |
| Jun 9, 6:52 PM CDT | Severe Thunderstorm Warning | BIS | 53 min |
| Jun 9, 7:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 16, 5:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 7:36 PM CDT | Severe Thunderstorm Warning | BIS | 39 min |
| Jun 27, 2:19 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 8:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 8:55 PM CDT | Severe Thunderstorm Warning | BIS | 65 min |
| Jun 27, 9:35 PM CDT | Severe Thunderstorm Warning | BIS | 55 min |
| Jun 27, 9:37 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 27, 10:27 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jun 27, 10:29 PM CDT | Severe Thunderstorm Warning | BIS | 61 min |
| Jun 28, 6:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 8:13 PM CDT | Special Weather Statement | BIS | 32 min |
| Jun 28, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | 54 min |
| Jun 28, 9:28 PM CDT | Severe Thunderstorm Warning | BIS | 62 min |
| Jun 28, 9:50 PM CDT | Severe Thunderstorm Warning | BIS | 40 min |
| Jun 28, 10:18 PM CDT | Severe Thunderstorm Warning | BIS | 57 min |
| Jun 28, 10:28 PM CDT | Severe Thunderstorm Warning | BIS | 25 min |
| Jun 28, 11:06 PM CDT | Special Weather Statement | BIS | 24 min |
| Jun 29, 2:00 PM CDT | Tornado Watch | SPC | 10 hr |
| Jun 29, 2:18 PM CDT | Severe Thunderstorm Warning | BIS | 57 min |
| Jun 29, 3:36 PM CDT | Severe Thunderstorm Warning | BIS | 54 min |
| Jun 29, 4:11 PM CDT | Severe Thunderstorm Warning | BIS | 49 min |
| Jun 30, 2:18 AM CDT | Wind Advisory | BIS | 15 hr |
| Jul 2, 9:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 5, 2:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 5, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 5, 8:06 PM CDT | Severe Thunderstorm Warning | BIS | 39 min |
| Jul 5, 9:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 9, 2:04 AM CDT | Extreme Heat Watch | BIS | 24 hr |
| Jul 9, 5:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 2:02 AM CDT | Extreme Heat Warning | BIS | 5 days |
| Jul 14, 12:53 PM CDT | Heat Advisory | BIS | 57 hr |
| Jul 17, 2:36 AM CDT | Dense Fog Advisory | BIS | 8 hr |
| Jul 18, 12:42 PM CDT | Heat Advisory | BIS | 32 hr |
| Jul 19, 3:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 4:26 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 19, 5:17 PM CDT | Severe Thunderstorm Warning | BIS | 43 min |
| Jul 24, 11:03 AM CDT | Heat Advisory | BIS | 58 hr |
| Jul 24, 4:16 PM CDT | Severe Thunderstorm Warning | BIS | 59 min |
| Jul 29, 1:46 AM CDT | Heat Advisory | BIS | 18 hr |
| Jul 29, 2:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 29, 4:29 PM CDT | Special Weather Statement | BIS | 31 min |
| Jul 29, 5:00 PM CDT | Special Weather Statement | BIS | 30 min |
| Jul 29, 5:12 PM CDT | Severe Thunderstorm Warning | BIS | 48 min |
| Aug 10, 9:19 AM CDT | Severe Thunderstorm Warning | BIS | 41 min |
| Aug 10, 10:00 AM CDT | Severe Thunderstorm Warning | BIS | 45 min |
| Aug 23, 8:02 PM CDT | Severe Thunderstorm Warning | BIS | 58 min |
| Aug 30, 5:30 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 30, 12:40 PM CDT | Wind Advisory | BIS | 30 hr |
| Aug 30, 3:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 30, 4:38 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 30, 5:20 PM CDT | Severe Thunderstorm Warning | BIS | 55 min |
| Sep 4, 1:53 AM CDT | Dense Fog Advisory | BIS | 10 hr |
| Sep 6, 10:18 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 6, 11:02 AM CDT | Special Weather Statement | BIS | 28 min |
| Sep 6, 11:11 AM CDT | Severe Thunderstorm Warning | BIS | 64 min |
| Sep 7, 1:11 PM CDT | Wind Advisory | BIS | 30 hr |
| Sep 7, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 5:42 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 7, 6:08 PM CDT | Severe Thunderstorm Warning | BIS | 67 min |
| Sep 7, 6:28 PM CDT | Tornado Warning | BIS | 47 min |
| Sep 7, 7:04 PM CDT | Severe Thunderstorm Warning | BIS | 56 min |
| Sep 13, 1:00 PM CDT | Wind Advisory | BIS | 42 hr |
| Sep 14, 4:40 AM CDT | High Wind Warning | BIS | 19 hr |
| Sep 17, 4:14 AM CDT | Dense Fog Advisory | BIS | 9 hr |
| Sep 24, 1:25 AM CDT | Dense Fog Advisory | BIS | 9 hr |
| Sep 25, 12:47 AM CDT | Dense Fog Advisory | BIS | 10 hr |
| Sep 28, 11:22 PM CDT | Special Weather Statement | BIS | 38 min |
| Sep 29, 3:14 AM CDT | Dense Fog Advisory | BIS | 7 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 | 39 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 6 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 2 |
| Wind and dust | |
| Blowing Dust Warning | 1 |
| High Wind Warning | 1 |
| Blowing Dust Advisory | 1 |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 3 |
| 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 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.