A stalled boundary was situated across Minnesota with a northwest to southeast orientation. With just enough instability and moisture, scattered storms developed along the boundary during the afternoon and lasted into the early evening.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MPX wrote it up.
A stalled boundary was situated across Minnesota with a northwest to southeast orientation. With just enough instability and moisture, scattered storms developed along the boundary during the afternoon and lasted into the early evening. Despite there being limited low-level shear, interactions from storm outflows provided a favorable environment for brief, non-mesocyclonic, funnel clouds to form.
Out of the several funnel clouds during the day, only one was verified touching down. This was near Kenyon and Wannamingo in Goodhue County.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before the first event at Aug 29, 11:07 AM CST, 2 hours 1 minute earlier. Its key messages:
Area Forecast Discussion National Weather Service Twin Cities/Chanhassen MN 1207 PM CDT Fri Aug 29 2025 .KEY MESSAGES... - Mostly dry conditions expected through Labor Day, with a lower end chance for a few isolated storms today & Saturday. - Best chance for organized precipitation comes with an early Fall cold front Tuesday night into Wednesday. - Mild, near-normal temperatures will persist through Tuesday, then noticeably cooler behind the cold front for the latter half of next week. && .DISCUSSION... Issued at 251 AM CDT Fri Aug 29 2025 Regional radar shows an area of showers slowly progressing SE across the MN/WI border early this morning. These will continue through western WI for the first part of the day. Another period of afternoon storms looks likely along the stalled boundary over west-central to southeastern MN. The extent of coverage is lower confidence, as highlighted by the variability in recent CAMs, but with ~500-1500 J/kg of CAPE and dewpoints in the 60s folks should not be surprised if they hear a rumble of thunder this afternoon. Nothing to ruin outdoor plans, and likely nothing severe with shear values less than 25 kts. This weekend will feature more of the same, with the Canadian high lingering over the Great Lakes and a slow moving boundary draped along its western periphery. At the same time, an embedded mid level shortwave will situate over the northern Plains. It continues to look like the deepest moisture and best forcing will be closer to South Dakota and Iowa than Minnesota, but folks may still see an isolated shower during Saturday/Sunday afternoon (primarily in SW/S MN). Temperatures through Labor day will be fairly consistent with highs in the 70s and lows in the 50s. The next period to watch will be mid next week as a rather impressive upper low attempts to dig down into the Upper Midwest. Long range guidance brings an attendant cold front through the region some time Tuesday into Wednesday. The Euro is maybe the most bullish, with a broad area of 850mb temps below 0C on Thursday. While the highest confidence PoPs (40-50%) are tied to the frontal passage, impacts from this system may linger through the end of the week. Strong CAA on the backside of the low should lead to gusty winds and below normal temperatures for at least a couple days. I suspect we may see an increase in Midwesterners wearing jackets come Thursday... though who am I to question a Midwesterner's unwavering will to hold off any sign of an approaching winter. && .AVIATION /18Z TAFS THROUGH 18Z SATURDAY/... Issued at 1203 PM CDT Fri Aug 29 2025 The two main considerations for the TAF period are how to handle isolated -TS chances from roughly 21-03z and also BR overnight. Generally, -TS chances will be maximized for MKT after 22z as the boundary slides south of the Twin Cities, with a low but non-zero chance for -TSRA at MSP for a 1 to 2 hour window. BR becomes most likely after 07-09z lingering through 14-15z, with the chance for MVFR/IFR highest for RNH/EAU. KMSP...The prob30 window for -TSRA is realistically more of a prob15 as the likelihood seems fairly low given the suite of CAM guidance, with the most likely scenario being -TSRA forming south and west of the Twin Cities and continuing to move south with the boundary. A brief window of MVFR due to BR is possible overnight, however being radiation driven fog we likely remain VFR the majority of the time given the heat island. /OUTLOOK FOR KMSP/ SUN...VFR. Wind SE 5kts. MON...VFR, chc -TSRA/MVFR PM. Wind S 5kts. TUE...VFR, chc -TSRA/MVFR PM. Wind SW 5-10kts. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...None. WI...None. && DISCUSSION...BED AVIATION...TDH
Hazardous Weather Outlook National Weather Service Twin Cities/Chanhassen MN 323 AM CDT Fri Aug 29 2025 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 300830- Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth- Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk- St. Croix-Pierce-Dunn-Pepin-Eau Claire- 323 AM CDT Fri Aug 29 2025 This Hazardous Weather Outlook is for portions of central and southern Minnesota, and west central Wisconsin. .DAY ONE...Today and Tonight. Scattered thunderstorms are possible this afternoon into the early evening. The main hazard will be lightning, and the threat for severe weather is very low. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... SKYWARN spotter activation will not be needed. bed
Preliminary Local Storm Report
National Weather Service Twin Cities/Chanhassen MN
1031 AM CDT Fri Aug 29 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1031 AM Rain 2 NNW Little Falls 46.01N 94.38W
08/29/2025 M0.49 Inch Morrison MN Trained Spotter
&&
MEDThe Minneapolis radar (KMPX), 52 km away, was scanning. The volume nearest the first event began at 19:05 UTC.
4 funnel cloud, 1 tornado. Local standard time, as filed.
A trained spotter reported a brief funnel cloud near the intersection of MN-99 and 145th Ave in eastern Le Sueur county.
There were several reports of a funnel cloud near Belle Plaine.
There was a report of a funnel cloud southwest of Faribault relayed via HAM radio.
A funnel cloud lasted roughly 10 minutes and preceded the landspout tornado near Kenyon.
A video from a trained spotter verified a brief landspout tornado over farm field south of MN60 east of Kenyon. No damage was observed. Location and time approximate based on radar and video.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2025Every state in 2025This day in weather historyThe tornado archive for Minnesota, 2025Warnings in Minnesota, August 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1290211, 1290212, 1290213, 1290214, 1293005.