Alert archive / Michigan / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 76, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 25, 2026, 3:15 PM EDT for Saint Clair County, Michigan. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 25, 2026, 3:15 PM EDT (19:15 UTC)
- Expired
- Jun 25, 2026, 3:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Saint Clair County, MI
The radar
The Detroit radar (KDTX), 71 km from the middle of the area, began a volume at 19:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 7.3 hours before the alert went out and 239 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 924 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 3:13 PM EDT, 2 minutes earlier.
Area forecast discussion, Jun 25, 3:13 PM EDT, 2 minutes before
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</html>Hazardous weather outlook, Jun 25, 4:15 AM EDT, 11 hours before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 415 AM EDT Thu Jun 25 2026 MIZ047>049-053>055-060>063-068>070-075-076-082-083-260815- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 415 AM EDT Thu Jun 25 2026 This hazardous weather outlook is for southeast Michigan. .DAY ONE...Today and Tonight Morning showers with isolated thunderstorms dissipate. Thunderstorm chances rises again this afternoon, more so for the Tri-Cities, The Thumb, and southward toward Metro Detroit. Overall coverage with this marginal event will be isolated to scattered, but some organized storms still pose a low-end isolated severe wind threat. Latest SPC Convective Outlook did include a small Marginal Risk area tied to the potential for a few discrete stronger cells, but the bulk of Southeast Michigan that sees storms later today should be sub-severe. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Very hot and humid conditions are likely through the first half of the next week as heat indices could exceed 100F. Additional thunderstorm chances exist during the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected today or tonight. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-260815- Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 415 AM EDT Thu Jun 25 2026 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight Morning showers with isolated thunderstorms dissipate. Thunderstorm chances rises again this afternoon, more so for the Tri-Cities, The Thumb, and southward toward Metro Detroit. Overall coverage with this marginal event will be isolated to scattered, but some organized storms still pose a low-end isolated severe wind threat. Latest SPC Convective Outlook did include a small Marginal Risk area tied to the potential for a few discrete stronger cells, but the bulk of Southeast Michigan that sees storms later today should be sub-severe. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Additional thunderstorm chances exist during the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected today or tonight. You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. KGK
In the hours before
Special weather statement, Jun 25, 2:35 PM EDT, 40 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
235 PM EDT Thu Jun 25 2026
MIZ063-251900-
St. Clair MI-
235 PM EDT Thu Jun 25 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN ST. CLAIR COUNTY
THROUGH 300 PM EDT...
At 235 PM EDT, Doppler radar was tracking a strong thunderstorm near
Emmett, or 7 miles southeast of Yale, moving northeast at 35 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 damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Lakeport around 245 PM EDT.
Other locations impacted by this storm include Fort Gratiot, North
Street, Avoca, Blaine, Fargo, Goodells, Ruby, Wadhams, and Brockway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4301 8240 4300 8242 4299 8242 4295 8274
4306 8280 4317 8253 4317 8250 4318 8251
4318 8250
TIME...MOT...LOC 1835Z 244DEG 32KT 4305 8269
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
MannSpecial weather statement, Jun 25, 2:47 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
247 PM EDT Thu Jun 25 2026
MIZ048-251915-
Bay MI-
247 PM EDT Thu Jun 25 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN BAY COUNTY THROUGH
315 PM EDT...
At 247 PM EDT, Doppler radar was tracking a strong thunderstorm over
Pinconning, moving east at 15 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 damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Pinconning around 250 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4373 8391 4380 8411 4391 8408 4391 8387
TIME...MOT...LOC 1847Z 287DEG 11KT 4384 8401
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
MannThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 2:35 PM EDT | Special Weather Statement | DTX | Saint Clair | 25 min |
| Jun 25, 2:47 PM EDT | Special Weather Statement | DTX | Bay | 28 min |
| Jun 25, 2:59 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 31 min |
| Jun 25, 3:00 PM EDT | Special Marine Warning | DTX | 46 min | |
| Jun 25, 3:16 PM EDT | Special Marine Warning | DTX | 33 min | |
| Jun 25, 3:20 PM EDT | Special Weather Statement | DTX | Oakland | 40 min |
| Jun 25, 3:35 PM EDT | Special Weather Statement | DTX | Midland | 55 min |
| Jun 25, 3:51 PM EDT | Special Weather Statement | DTX | Lenawee | 39 min |
| Jun 25, 3:53 PM EDT | Special Weather Statement | DTX | Genesee | 52 min |
| Jun 25, 4:14 PM EDT | Special Weather Statement | DTX | Bay | 46 min |
| Jun 25, 4:24 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 52 min |
| Jun 25, 4:34 PM EDT | Special Weather Statement | DTX | Lapeer | 56 min |
| Jun 25, 4:51 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 39 min |
| Jun 25, 5:14 PM EDT | Special Weather Statement | DTX | Saint Clair | 61 min |
| Jun 25, 5:15 PM EDT | Special Weather Statement | DTX | Tuscola | 60 min |
| Jun 25, 5:23 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 29 min |
| Jun 25, 5:45 PM EDT | Special Weather Statement | DTX | Saginaw | 45 min |
| Jun 25, 5:50 PM EDT | Special Weather Statement | DTX | Macomb | 25 min |
| Jun 25, 5:56 PM EDT | Special Marine Warning | DTX | 49 min | |
| Jun 25, 6:03 PM EDT | Special Weather Statement | DTX | Saint Clair | 57 min |
| Jun 25, 6:11 PM EDT | Special Weather Statement | DTX | Sanilac | 64 min |
| Jun 25, 6:13 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 17 min |
| Jun 25, 7:54 PM EDT | Special Weather Statement | DTX | Sanilac | 66 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.