A cold front passed through Upper Michigan on the 30th, causing tree damage to the central and eastern portions of the region.
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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 MQT wrote it up.
A cold front passed through Upper Michigan on the 30th, causing tree damage to the central and eastern portions of the region.
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 Marquette, MI wrote its last area forecast discussion before the first event at Jun 30, 1:25 PM EST, 2 hours 45 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service Marquette MI 225 PM EDT Mon Jun 30 2025 .KEY MESSAGES... - Scattered showers and storms are expected this afternoon and evening. Stronger storms may bring gusty winds and hail. - Isolated and scattered thunderstorm activity is possible Wednesday. Thunderstorms are also possible in the afternoon and evening of Friday, the Fourth of July. && .SHORT TERM /THROUGH TONIGHT/... Issued at 225 PM EDT Mon Jun 30 2025 Overhead our forecast area, weak mid-level wave pressing through, alongside about 1000j/kg SBCAPE and 30-40 kts of effective bulk shear, per SPC mesoanalysis, is supporting showers progressing west to east through western Upper Michigan into the central third. These will continue growing in the next few hours. Additionally, with continued destabilization expected alongside continued lake breeze activity in the central/east, isolated to scattered thunderstorms should develop. Given that shear is in place and there's the potential for lake breeze enhancement, large hail or stronger winds will be possible. West of the boundary, clear skies or clearing skies are noted across the western third of Upper Michigan. SPC mesoanalysis paints this clear sky region with ~1500j/kg of SBCAPE with about 30kts of effective bulk shear. GOES Water Vapor imagery and RAP analysis highlight a trough extending south into Minnesota with an attendant weak cold front supporting showers and some thunderstorm activity across northern Minnesota and the Arrowhead. This front may be the focus for additional thunderstorm activity later this afternoon over the western half of Upper Michigan given the ongoing destabilization. Similarly, to the central and east in the next few hours, strong storms capable of producing hail and stronger winds will be possible. Trough axis and cold front will dive through Upper Michigan this evening, followed by northwest flow aloft thanks to upstream ridging building into the Canadian Rockies. Surface ridging will inch into the region alongside a drier airmass. This will help keep the region partly cloudy to clear tonight into Tuesday. The first shortwave driving southeast within the broad trough to our north looks to glance the northern and eastern portions of Lake Superior tonight, but should remain mostly dry for a majority of our forecast area. Overnight lows tonight in the upper 50s to low 60s look to warm into the upper 70s to low 80s Tuesday, then cool back into the upper 50s to low 60s Tuesday night. && .LONG TERM /TUESDAY THROUGH SUNDAY/... Issued at 225 PM EDT Mon Jun 30 2025 Long term period begins Wednesday with a mid-level low descending southeast through northern Ontario and mid-upper level ridging stretching north just east of the Canadian Rockies. Initial wave with the descending trough axis will dive through the region Wednesday afternoon, with the main shortwave following along the northern and eastern portions of Lake Superior Wednesday evening and Wednesday night. Growing instability along with the lake breeze may be enough to support a wave of showers and/or thunderstorms drifting southeast through the region. Models suggest greater likelihood of the focus being across the south half, with chances increasing into Wisconsin. Severe weather is not expected, but there is a window in the early afternoon where enough shear looks to be in place to support stronger updrafts capable of small hail and stronger winds should we destabilize enough. Any isolated or scattered convective activity that develops should diminish in the evening hours. Surface high builds in afterwards which will linger Thursday overhead. This will work to keep the region mostly dry. Friday, the 4th of July, mid-upper level ridge axis moves through the Great Lakes with multiple impulses pressing through the Central/Northern Plains. GEFS 500mb height spaghetti plots depict enough variances to suggest some level of uncertainty in when these will lift into the Great Lakes. This continues to be reflected in the GFS, CA, and EC deterministic suites as well. Its possible an early wave may bring showers and storms to the region Friday morning and or showers and thunderstorms later in the day. 12z guidance continues to suggest timing could result in impacts to 4th of July outdoor plans in the afternoon and evening hours. In addition, latest LREF continues to suggest a non-zero chance for strong to severe thunderstorms should enough vertical forcing exist, which is unclear at this point. As we get closer, suspect better consensus of when and where peak instability/shear and forcing for ascent will align. Afterwards, timing and spatial differences become more pronounced, with the eventual cold front potentially moving through Saturday or Sunday. Depending on the timing of the front, Saturday additional showers and storms will be possible and humid conditions with warm to hot temperatures may be realized. && .AVIATION /18Z TAFS THROUGH 18Z TUESDAY/... Issued at 124 PM EDT Mon Jun 30 2025 VFR conditions are expected for this TAF period. A band of showers moving through west-central Upper Michigan is expected to move over KSAW as thunderstorms in a few hours. Afterwards, chances for shower and thunderstorm activity increases this afternoon and evening for KIWD/KSAW and prob30 groups were added for these. Otherwise, westerly winds increase this afternoon to around 20 kts at KCMX. && .MARINE... Issued at 225 PM EDT Mon Jun 30 2025 SW winds increase to 15-20 kts this afternoon ahead of a cold front this evening. As this moves W to E across the lake, winds veer W and become ~10-15 kts across the lake. Pressure rises behind a departing low pressure on Tuesday will increase W to SW to 15-25 kts, strongest over the W half of the lake. This will build waves up to 4 ft over the N Central portion of the lake for Tuesday evening. Winds settle below 20 kts Tuesday night, allowing for waves to settle below 4ft again. W to SW winds rise to ~15-20 kts again over the W half of the lake on Wednesday before becoming light (mainly 15 kts or less) and variable into the late portion of the work week. && .MQT WATCHES/WARNINGS/ADVISORIES... Upper Michigan... None. Lake Superior... None. Lake Michigan... None. && SHORT TERM...JTP LONG TERM...JTP AVIATION...JTP MARINE...PK
Hazardous Weather Outlook National Weather Service Marquette MI 232 PM EDT Mon Jun 30 2025 MIZ001>007-009>014-084-085-011845- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 232 PM EDT Mon Jun 30 2025 /132 PM CDT Mon Jun 30 2025/ This Hazardous Weather Outlook is for portions of central Upper Michigan and western Upper Michigan. .DAY ONE...Rest of Today and Tonight Scattered showers and storms are expected this afternoon and evening. Stronger storms may bring gusty winds and hail. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Isolated to scattered thunderstorms are possible each day this week, including in the afternoon and evening of Friday, the Fourth of July. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LSZ162-240>251-263>267-011845- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 232 PM EDT Mon Jun 30 2025 /132 PM CDT Mon Jun 30 2025/ This Hazardous Weather Outlook is for portions of Central Lake Superior...Eastern Lake Superior and Western Lake Superior. .DAY ONE...Rest of Today and Tonight There is a slight chance of thunderstorms this afternoon and evening, mainly near the lakeshores. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Isolated to scattered thunderstorms are possible each day this week, including in the afternoon and evening of Friday, the Fourth of July. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LMZ221-248-250-011845- Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 232 PM EDT Mon Jun 30 2025 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Rest of Today and Tonight Thunderstorms are possible this afternoon and evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Isolated to scattered thunderstorms are possible each day this week, including in the afternoon and evening of Friday, the Fourth of July. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. JTP
Special Weather Statement
National Weather Service Marquette MI
110 PM CDT Mon Jun 30 2025
MIZ010-301845-
Iron MI-
110 PM CDT Mon Jun 30 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN IRON COUNTY THROUGH
145 PM CDT...
At 109 PM CDT, Doppler radar was tracking a strong thunderstorm near
Amasa, or 9 miles north of Crystal Falls, moving northeast at 35 mph.
HAZARD...Wind gusts up to 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Amasa and Way Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4611 8842 4627 8854 4642 8812 4616 8812
TIME...MOT...LOC 1809Z 243DEG 31KT 4623 8839
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
KurimskiSpecial Weather Statement
National Weather Service Marquette MI
225 PM EDT Mon Jun 30 2025
MIZ004-005-010-301915-
Marquette MI-Baraga MI-Iron MI-
225 PM EDT Mon Jun 30 2025
...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL MARQUETTE AND
SOUTHEASTERN BARAGA COUNTIES THROUGH 315 PM EDT/215 PM CDT/...
At 225 PM EDT/125 PM CDT/, Doppler radar was tracking a strong
thunderstorm near Lake Michigamme, or 21 miles west of Ishpeming,
moving east at 20 mph.
HAZARD...Wind gusts up to 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This strong thunderstorm will be near...
Lake Michigamme around 230 PM EDT.
West Ishpeming around 300 PM EDT.
Other locations impacted by this storm include Humboldt, National
Mine, Van Riper State Park, Diorite, and Republic.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4632 8817 4650 8822 4662 8764 4635 8757
TIME...MOT...LOC 1825Z 259DEG 20KT 4643 8810
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
KurimskiSpecial Weather Statement
National Weather Service Marquette MI
225 PM EDT Mon Jun 30 2025
MIZ005-010-011-301915-
Marquette MI-Iron MI-Dickinson MI-
225 PM EDT Mon Jun 30 2025
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN IRON AND
NORTHWESTERN DICKINSON COUNTIES THROUGH 315 PM EDT/215 PM CDT/...
At 225 PM EDT/125 PM CDT/, Doppler radar was tracking a strong
thunderstorm near Crystal Falls, moving east at 25 mph.
HAZARD...Wind gusts up to 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This strong thunderstorm will be near...
Crystal Falls around 130 PM CDT.
Channing around 200 PM CDT.
Other locations impacted by this storm include Alpha, Sagola, Way
Dam, Bewabic State Park, and Silver Lake near Channing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4599 8845 4600 8846 4599 8849 4602 8851
4602 8854 4614 8860 4634 8801 4609 8787
4599 8843
TIME...MOT...LOC 1825Z 249DEG 23KT 4608 8846
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
KurimskiSpecial Weather Statement
National Weather Service Marquette MI
344 PM EDT Mon Jun 30 2025
MIZ005-011-302030-
Marquette MI-Dickinson MI-
344 PM EDT Mon Jun 30 2025
...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN DICKINSON AND
SOUTHEASTERN MARQUETTE COUNTIES THROUGH 430 PM EDT/330 PM CDT/...
At 344 PM EDT/244 PM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 10 miles southwest of Gwinn
to 7 miles north of Foster City. Movement was east at 20 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
These storms will remain over mainly rural areas of northeastern
Dickinson and southeastern Marquette Counties, including the
following locations... Northland, Anderson Lake, McFarland, and
Arnold.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4627 8724 4599 8725 4600 8782 4625 8765
TIME...MOT...LOC 1944Z 274DEG 16KT 4618 8760 4607 8768
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
KurimskiThe Marquette radar (KMQT), 107 km away, was scanning. The volume nearest the first event began at 21:10 UTC.
2 thunderstorm wind. Local standard time, as filed.
Public report of a tree blocking Southside Rd a half mile north of M-94. Time approximated by broadcast media who forwarded the report.
Public report from Daggett that a pine tree broke off at base approximately 2 to 3 feet in diameter. Another 1 to 2 foot diameter tree split and took down a power line. A large willow tree at 3 to 4 feet in diameter at the base took down additional powerlines, blocking N Frenchtown Road. Time estimated by broadcast media who forwarded the report.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2025Every state in 2025This day in weather historyWarnings in Michigan, June 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: 1277594, 1277591.