June 11-12, 2026 Overnight Severe Weather

Radar

Loop of NEXRAD Base Reflectivity Radar from 9:45 pm on June 11, 2026 to 3:30 am on June 12, 2026 - courtesy Iowa Environmental Mesonet (IEM)

Storm Reports

Preliminary Local Storm Report...Summary
National Weather Service Detroit/Pontiac MI
1055 AM EDT Fri Jun 12 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1032 PM     Tstm Wnd Dmg     Laingsburg              42.89N  84.35W
06/11/2026                   Shiawassee         MI   Public          

            Social media photo shows tree uprooted in Laingsburg, 
            MI. 

1047 PM     Tstm Wnd Dmg     Owosso                  43.00N  84.18W
06/11/2026                   Shiawassee         MI   Public          

            Social media photo shows large branch split from tree 
            onto road. 

1055 PM     Tstm Wnd Gst     Owosso Community Airpor 42.99N  84.14W
06/11/2026  M50 mph          Shiawassee         MI   AWOS            

1219 AM     Tstm Wnd Dmg     Onsted                  42.01N  84.19W
06/12/2026                   Lenawee            MI   Public          

            Social media photo shows tree down in Onsted. 

1220 AM     Tstm Wnd Dmg     2 N Tecumseh            42.04N  83.94W
06/12/2026                   Lenawee            MI   Trained Spotter 

            A large tree was blown down due to thunderstorm winds. 

1246 AM     Tstm Wnd Dmg     1 S Azalia              42.01N  83.67W
06/12/2026                   Monroe             MI   911 Call Center 

            Report of multiple large trees and wires down across 
            northern Monroe County. 

1258 AM     Tstm Wnd Dmg     2 E Inkster             42.30N  83.27W
06/12/2026                   Wayne              MI   Broadcast Media 

            *** 1 Inj *** Media relayed photos of a large tree down 
            on a house, partially destroying a chimney. 

0102 AM     Tstm Wnd Dmg     Ferndale                42.46N  83.13W
06/12/2026                   Oakland            MI   Broadcast Media 

            A large tree and wires were blown down do to 
            thunderstorms winds. 

0115 AM     Marine Tstm Wind Grosse Ile Airport      42.10N  83.16W
06/12/2026  M45 mph          Wayne              MI   AWOS            

0116 AM     Marine Tstm Wind Detroit River Light     42.00N  83.14W
06/12/2026  M58 mph          Monroe             MI   Mesonet         

0119 AM     Marine Tstm Wind Grosse Pointe YC        42.43N  82.87W
06/12/2026  M61 mph          Wayne              MI   Mesonet         

0122 AM     Marine Tstm Wind Peche Island Light      42.36N  82.91W
06/12/2026  M56 mph          LCZ460             MI   Mesonet         

0136 AM     Tstm Wnd Dmg     1 W Pointe aux Tremble  42.62N  82.58W
06/12/2026                   St. Clair          MI   Emergency Mngr  

            Photos of snapped and bent power poles, siding damage, 
            and blown in garage doors. Short damage path consistent 
            with straight line winds. 

0136 AM     Tstm Wnd Dmg     1 NW Pointe aux Tremble 42.62N  82.58W
06/12/2026                   St. Clair          MI   NWS Employee    

            Numerous large tree limbs down some on houses along 
            Taft Rd near Muskrat Run 

SPC Storm Reports

Photos & Video

Marginal Wind Damage and Large Hail.

Harsens Island, MI (Stephen Szulborski)	Ferndale, MI (Bryan Schuerman)

Environment

SPC Outlooks

Figure 1: Severe Outlook on June 12, 2026 at 01 UTC	Figure 2: Damaging Winds Outlook on June 12, 2026 at 01 UTC	Figure 3: Tornado Outlook on June 12, 2026 at 01 UTC

Environment summary

Figure 4: 18Z June 11 DTX Sounding	Figure 5: 00Z June 11 DTX Sounding	Figure 6: WPC Surface Analysis June 12 03Z

Figure 7: 04Z June 12 Temperature, Wind and Dewpoint	Figure 8: 04Z June 12 MLcape/cin	Figure 9: 04Z June 12 Effective Shear