April 28th, 2025 Western Shawano County Tornadoes

News Headlines

April 28th, 2025 Severe Weather Summary

Overview

Multiple rounds of thunderstorms impacted central and northern Wisconsin from early in the morning into the evening hours of April 28th. Stronger storms during the daytime hours produced hail ranging from pea to quarter size.

Warm, moist air lifted northward through the afternoon ahead of a more organized line of storms that moved across the region during the evening hours. Wind damage was reported at a few locations across central Wisconsin with these storms. Two tornadoes were documented - One near Mattoon, WI and the other near Birnamwood, WI in Shawano County.

Radar loop from 6 PM Apr 28 to 1 AM Apr 29

Tornadoes
Storm Reports
Environmental
Photo & Video

Tornadoes

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EF-Scale

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Tornadoes that fail to impact any ratable structures on the EF-Scale are rated EF-Unknown (EF-U)

Storm Reports

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

0730 AM     Hail             1 SSE Zittau            44.20N 88.77W
04/28/2025  M0.88 Inch       Winnebago          WI   Trained Spotter  

            6 SE Fremont. Hail covering the ground. 

0802 AM     Hail             3 NW Neenah             44.22N 88.49W
04/28/2025  E0.75 Inch       Winnebago          WI   Public           

            Report from mPING: Dime (0.75 in.). 

1053 AM     Hail             1 ENE Crivitz           45.24N 87.99W
04/28/2025  M0.75 Inch       Marinette          WI   Public           

             

0209 PM     Hail             1 S Marshfield          44.65N 90.16W
04/28/2025  M0.50 Inch       Wood               WI   Trained Spotter  

             

0233 PM     Hail             2 N Wausau              44.99N 89.63W
04/28/2025  M0.75 Inch       Marathon           WI   Public           

             

0233 PM     Hail             2 NW Wausau             44.98N 89.66W
04/28/2025  M0.50 Inch       Marathon           WI   Public           

             

0335 PM     Hail             Merrill                 45.18N 89.68W
04/28/2025  M0.25 Inch       Lincoln            WI   Public           

             

0336 PM     Hail             2 W Merrill             45.19N 89.71W
04/28/2025  E1.00 Inch       Lincoln            WI   Public           

            Report from mPING: Quarter (1.00 in.). 

0418 PM     Hail             3 SW Vesper             44.45N 90.00W
04/28/2025  E0.50 Inch       Wood               WI   Public           

            Report from mPING: Half-inch (0.50 in.). 

0700 PM     Hail             2 E Sunset              44.97N 89.45W
04/28/2025  M0.50 Inch       Marathon           WI   Public           

             

0744 PM     Hail             1 NE Mountain           45.19N 88.47W
04/28/2025  M0.50 Inch       Oconto             WI   Trained Spotter  

             

1009 PM     Hail             Antigo                  45.15N 89.14W
04/28/2025  E0.75 Inch       Langlade           WI   Public           

            Report from mPING: Dime (0.75 in.). 

1002 PM     Tornado          3 E Birnamwood          44.93N 89.12W
04/28/2025                   Shawano            WI   NWS Storm Survey 

            . 

1004 PM     Tornado          Mattoon                 45.00N 89.03W
04/28/2025                   Shawano            WI   NWS Storm Survey 

             

0925 PM     Tstm Wnd Dmg     4 SE Rothschild         44.84N 89.55W
04/28/2025                   Marathon           WI   Public           

            Tree caught fire and fell on power line. 

1004 PM     Tstm Wnd Dmg     1 S Mattoon             44.99N 89.03W
04/28/2025                   Shawano            WI   NWS Storm Survey 

            Trees and power poles down. 

0921 PM     Tstm Wnd Gst     Rhinelander Airport     45.63N 89.48W
04/28/2025  M55 MPH          Oneida             WI   ASOS             

            . 

0924 PM     Tstm Wnd Gst     6 NE Halder             44.86N 89.79W
04/28/2025  M67 MPH          Marathon           WI   Trained Spotter  

            Delayed report. Reported by mobile trained 
            weather spotter with measuring equipment 
            northwest of Mosinee. Confirmed by Marathon 
            County Emergency Manager. 

0937 PM     Tstm Wnd Gst     Wausau Downtown Airport 44.93N 89.63W
04/28/2025  M51 MPH          Marathon           WI   Public           

             

0954 PM     Tstm Wnd Gst     2 NE Port Edwards       44.36N 89.84W
04/28/2025  M46 MPH          Wood               WI   ASOS             

            At Wisconsin Rapids airport. Outflow wind 
            gust. 

1130 PM     Tstm Wnd Gst     2 SE Menominee          45.10N 87.59W
04/28/2025  M61 MPH          Marinette          WI   Buoy             

            Buoy station MNMM4 Menominee. 

1140 PM     Tstm Wnd Gst     1 NNW Chambers Island   45.20N 87.36W
04/28/2025  M44 MPH          Door               WI   Mesonet          

            Mesonet station CBRW3 Chambers Island 1 NNW. 

1141 PM     Tstm Wnd Gst     3 ESE Oneida            44.48N 88.13W
04/28/2025  M45 MPH          Brown              WI   ASOS             

            ASOS station KGRB Green Bay Airport.

Environment/Radar

Radar:


Reflectivity and storm relative velocity around 10:05 PM	Figure 2: Caption	Figure 3: Caption

Near-storm environment:


Mixed Layer Cape (instability) at 10 PM	0-1 km shear at 10 PM	Effective shear at 10 PM

Watches and Warnings


Graphic highlighting approaching storms	Tornado Warning	Tornado Watch

Photos & Video


Storm damage (NWS Damage Survey)	Storm damage (NWS Damage Survey)	Storm damage (NWS Damage Survey)	Storm damage (NWS Damage Survey)

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