Alert archive / Minnesota / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Minnesota, August 2026
71 severe thunderstorm warnings in August 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 71
- Busiest day
- August 7, 202618 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:47 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Marshall | 40 min |
| Aug 3, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Polk | 26 min |
| Aug 3, 8:55 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 50 min |
| Aug 4, 12:32 AM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 30 min |
| Aug 6, 6:36 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 19 min |
| Aug 6, 6:38 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 16 min |
| Aug 6, 6:40 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 37 min |
| Aug 7, 4:54 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen | 36 min |
| Aug 7, 5:06 AM CDT | Severe Thunderstorm Warning | ABR | Big Stone | 39 min |
| Aug 7, 5:19 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 41 min |
| Aug 7, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Hubbard | 43 min |
| Aug 7, 5:43 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 25 min |
| Aug 7, 5:53 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Wadena | 52 min |
| Aug 7, 6:14 AM CDT | Severe Thunderstorm Warning | DLH | Cass | 46 min |
| Aug 7, 6:44 AM CDT | Severe Thunderstorm Warning | FGF | Hubbard, Wadena | 46 min |
| Aug 7, 6:51 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Renville, Yellow Medicine | 38 min |
| Aug 7, 7:27 AM CDT | Severe Thunderstorm Warning | FSD | Jackson, Nobles | 22 min |
| Aug 7, 10:18 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 42 min |
| Aug 7, 10:46 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker | 28 min |
| Aug 7, 10:55 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 50 min |
| Aug 7, 11:01 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Stearns | 44 min |
| Aug 7, 11:33 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Sibley | 21 min |
| Aug 7, 11:36 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs | 28 min |
| Aug 7, 11:42 AM CDT | Severe Thunderstorm Warning | MPX | Faribault | 48 min |
| Aug 7, 12:28 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 47 min |
| Aug 9, 4:03 AM CDT | Severe Thunderstorm Warning | FSD | Jackson | 57 min |
| Aug 9, 4:44 AM CDT | Severe Thunderstorm Warning | FSD | Jackson | 17 min |
| Aug 9, 4:46 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 59 min |
| Aug 12, 2:59 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 46 min |
| Aug 12, 3:25 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail | 32 min |
| Aug 17, 3:18 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 57 min |
| Aug 17, 4:22 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 53 min |
| Aug 17, 5:04 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wadena | 38 min |
| Aug 17, 5:22 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca, Saint Louis | 53 min |
| Aug 17, 5:57 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 43 min |
| Aug 17, 6:32 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 43 min |
| Aug 17, 6:44 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Itasca, Saint Louis | 31 min |
| Aug 17, 7:01 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Pennington, Polk, Red Lake | 44 min |
| Aug 17, 7:11 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 34 min |
| Aug 18, 1:55 PM CDT | Severe Thunderstorm Warning | ARX | Olmsted, Wabasha | 65 min |
| Aug 18, 2:36 PM CDT | Severe Thunderstorm Warning | ARX | Winona | 39 min |
| Aug 18, 2:47 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Olmsted, Winona | 43 min |
| Aug 18, 3:03 PM CDT | Severe Thunderstorm Warning | ARX | Houston | 57 min |
| Aug 18, 5:39 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 36 min |
| Aug 18, 6:32 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 43 min |
| Aug 18, 7:07 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 20 min |
| Aug 20, 10:58 AM CDT | Severe Thunderstorm Warning | FGF | Wadena | 32 min |
| Aug 20, 5:10 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Itasca | 65 min |
| Aug 20, 5:40 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Saint Louis | 65 min |
| Aug 20, 6:16 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 44 min |
| Aug 20, 6:45 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing | 60 min |
| Aug 20, 6:48 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Saint Louis | 36 min |
| Aug 20, 6:58 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 47 min |
| Aug 20, 7:41 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Crow Wing, Pine | 64 min |
| Aug 20, 7:43 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 39 min |
| Aug 20, 7:55 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns | 50 min |
| Aug 20, 7:56 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns | 49 min |
| Aug 20, 8:21 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 54 min |
| Aug 20, 8:31 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood | 47 min |
| Aug 20, 8:34 PM CDT | Severe Thunderstorm Warning | DLH | Crow Wing | 56 min |
| Aug 20, 9:12 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 48 min |
| Aug 20, 9:15 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 17 min |
| Aug 21, 3:01 AM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 38 min |
| Aug 21, 3:57 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Roseau | 22 min |
| Aug 24, 9:06 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Polk | 54 min |
| Aug 24, 10:03 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 19 min |
| Aug 25, 3:35 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 55 min |
| Aug 25, 4:45 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 60 min |
| Aug 25, 5:23 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 67 min |
| Aug 25, 5:52 PM CDT | Severe Thunderstorm Warning | DLH | Pine | 53 min |
| Aug 25, 6:38 PM CDT | Severe Thunderstorm Warning | DLH | Pine | 67 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Louis County10
- Marshall County5
- Itasca County5
- Hubbard County4
- Wadena County4
- Cass County4
- Aitkin County4
- Redwood County4
- Beltrami County3
- Lake of the Woods County3
- Clearwater County3
- Polk County3
- Becker County3
- Yellow Medicine County3
- Jackson County3
- Nobles County3
- Martin County3
- McLeod County3
- Meeker County3
- Faribault County3
- Stearns County3
- Clay County3
- Otter Tail County3
- Morrison County3
- Crow Wing County3
- Pine County3
- Koochiching County2
- Renville County2
- Benton County2
- Olmsted County2
- Winona County2
- Fillmore County2
- Carlton County2
- Brown County2
- Mahnomen County1
- Big Stone County1
- Lincoln County1
- Chippewa County1
- Kandiyohi County1
- Carver County1
Nearby
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.