IEM VTEC Product Browser
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2025 [KDMX] DES_MOINES Severe Thunderstorm (SV) Warning (W) Number 100
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
853
WUUS53 KDMX 120025
SVRDMX
IAC013-075-127-171-120130-
/O.NEW.KDMX.SV.W.0100.250612T0025Z-250612T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
725 PM CDT Wed Jun 11 2025
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Northeastern Marshall County in central Iowa...
Black Hawk County in northeastern Iowa...
Tama County in central Iowa...
Eastern Grundy County in central Iowa...
* Until 830 PM CDT.
* At 725 PM CDT, severe thunderstorms were located along a line
extending from Waterloo Municipal Airport to Hudson to near Le
Grand, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Waterloo, Cedar Falls, Grundy Center, Toledo, Evansdale, Jesup, La
Porte City, Hudson, Traer, Reinbeck, Dysart, Dike, Elk Run Heights,
Crossroads Mall, Waterloo Municipal Airport, Uni-Dome And McLeod
Center, Gladbrook, Washburn, Dunkerton, and Raymond.
This includes Interstate 380 between mile markers 56 and 73.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 9230 4190 9230 4210 9291 4256 9264
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0025Z 283DEG 27KT 4255 9243 4244 9245 4203 9275
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Dodson
331
WWUS53 KDMX 120035
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
735 PM CDT Wed Jun 11 2025
IAC013-075-127-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Marshall IA-Black Hawk IA-Tama IA-Grundy IA-
735 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHEASTERN MARSHALL...BLACK HAWK...TAMA AND SOUTHEASTERN GRUNDY
COUNTIES...
At 734 PM CDT, severe thunderstorms were located along a line
extending from near Waterloo Municipal Airport to near Crossroads
Mall to Meskwaki Casino, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Emergency management and multiple personal weather stations
reported winds up to 66 mph in the Cedar Falls and Waterloo
areas.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waterloo, Cedar Falls, Toledo, Evansdale, Jesup, La Porte City,
Hudson, Traer, Reinbeck, Dysart, Dike, Elk Run Heights, Crossroads
Mall, Waterloo Municipal Airport, Uni-Dome And McLeod Center,
Gladbrook, Washburn, Dunkerton, Raymond, and Gilbertville.
This includes Interstate 380 between mile markers 56 and 73.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 9230 4190 9230 4210 9291 4257 9253
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0034Z 283DEG 27KT 4254 9236 4243 9238 4202 9268
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Dodson
657
WWUS53 KDMX 120054
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
754 PM CDT Wed Jun 11 2025
IAC075-127-120103-
/O.CAN.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Marshall IA-Grundy IA-
754 PM CDT Wed Jun 11 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MARSHALL AND
SOUTHEASTERN GRUNDY COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Iowa.
LAT...LON 4230 9230 4190 9230 4205 9277 4218 9277
4230 9265 4230 9253 4242 9253 4258 9237
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0053Z 283DEG 27KT 4251 9220 4240 9222 4199 9252
$$
IAC013-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
754 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR BLACK HAWK AND TAMA COUNTIES...
At 753 PM CDT, severe thunderstorms were located along a line
extending from near Raymond to Gilbertville to Toledo Municipal
Airport, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Emergency management reported 60 mph winds and blowing dust
near Trear.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waterloo, Cedar Falls, Toledo, Evansdale, Jesup, La Porte City,
Hudson, Traer, Dysart, Elk Run Heights, Crossroads Mall, Waterloo
Municipal Airport, Gladbrook, Washburn, Dunkerton, Raymond,
Gilbertville, Garwin, Chelsea, and Clutier.
This includes Interstate 380 between mile markers 56 and 73.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 9230 4190 9230 4205 9277 4218 9277
4230 9265 4230 9253 4242 9253 4258 9237
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0053Z 283DEG 27KT 4251 9220 4240 9222 4199 9252
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Dodson
457
WWUS53 KDMX 120109
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
809 PM CDT Wed Jun 11 2025
IAC013-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
809 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR EASTERN BLACK HAWK AND NORTHEASTERN TAMA COUNTIES...
At 809 PM CDT, severe thunderstorms were located along a line
extending from Jesup to 5 miles east of Gilbertville to Vining,
moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Personal weather station reported a wind gust of 67 mph at
752 PM near La Porte City.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waterloo, Evansdale, Jesup, La Porte City, Traer, Dysart, Elk Run
Heights, Washburn, Dunkerton, Raymond, Gilbertville, Clutier,
Elberon, Vining, and Tf Clark State Park.
This includes Interstate 380 between mile markers 56 and 71.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4195 9230 4209 9264 4221 9263 4234 9236
4258 9223 4259 9208 4247 9208 4247 9206
4230 9206 4230 9230
TIME...MOT...LOC 0109Z 270DEG 27KT 4250 9209 4239 9211 4198 9241
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Dodson
980
WWUS53 KDMX 120121
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
821 PM CDT Wed Jun 11 2025
IAC013-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
821 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN BLACK HAWK AND NORTHEASTERN TAMA COUNTIES...
At 821 PM CDT, severe thunderstorms were located along a line
extending from near Jesup to near Lime Creek County Park to near
Elberon, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jesup, La Porte City, Traer, Dysart, Clutier, Elberon, and Tf Clark
State Park.
This includes Interstate 380 between mile markers 56 and 59.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4199 9230 4212 9259 4222 9258 4230 9232
4236 9213 4257 9208 4247 9208 4247 9206
4230 9206 4230 9230
TIME...MOT...LOC 0121Z 283DEG 27KT 4249 9200 4238 9202 4197 9232
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Dodson
649
WWUS53 KDMX 120126
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
826 PM CDT Wed Jun 11 2025
IAC013-171-120136-
/O.EXP.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
826 PM CDT Wed Jun 11 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLACK HAWK AND
NORTHEASTERN TAMA COUNTIES WILL EXPIRE AT 830 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire. However, gusty winds are still possible with
these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Iowa.
LAT...LON 4199 9230 4212 9259 4222 9258 4230 9232
4236 9213 4257 9208 4247 9208 4247 9206
4230 9206 4230 9230
TIME...MOT...LOC 0126Z 283DEG 27KT 4249 9198 4238 9200 4197 9230
$$
Dodson
Permalink to 202506120025-KDMX-WUUS53-SVRDMX
853
WUUS53 KDMX 120025
SVRDMX
IAC013-075-127-171-120130-
/O.NEW.KDMX.SV.W.0100.250612T0025Z-250612T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
725 PM CDT Wed Jun 11 2025
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Northeastern Marshall County in central Iowa...
Black Hawk County in northeastern Iowa...
Tama County in central Iowa...
Eastern Grundy County in central Iowa...
* Until 830 PM CDT.
* At 725 PM CDT, severe thunderstorms were located along a line
extending from Waterloo Municipal Airport to Hudson to near Le
Grand, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Waterloo, Cedar Falls, Grundy Center, Toledo, Evansdale, Jesup, La
Porte City, Hudson, Traer, Reinbeck, Dysart, Dike, Elk Run Heights,
Crossroads Mall, Waterloo Municipal Airport, Uni-Dome And McLeod
Center, Gladbrook, Washburn, Dunkerton, and Raymond.
This includes Interstate 380 between mile markers 56 and 73.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 9230 4190 9230 4210 9291 4256 9264
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0025Z 283DEG 27KT 4255 9243 4244 9245 4203 9275
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Dodson
Permalink to 202506120035-KDMX-WWUS53-SVSDMX
331
WWUS53 KDMX 120035
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
735 PM CDT Wed Jun 11 2025
IAC013-075-127-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Marshall IA-Black Hawk IA-Tama IA-Grundy IA-
735 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHEASTERN MARSHALL...BLACK HAWK...TAMA AND SOUTHEASTERN GRUNDY
COUNTIES...
At 734 PM CDT, severe thunderstorms were located along a line
extending from near Waterloo Municipal Airport to near Crossroads
Mall to Meskwaki Casino, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Emergency management and multiple personal weather stations
reported winds up to 66 mph in the Cedar Falls and Waterloo
areas.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waterloo, Cedar Falls, Toledo, Evansdale, Jesup, La Porte City,
Hudson, Traer, Reinbeck, Dysart, Dike, Elk Run Heights, Crossroads
Mall, Waterloo Municipal Airport, Uni-Dome And McLeod Center,
Gladbrook, Washburn, Dunkerton, Raymond, and Gilbertville.
This includes Interstate 380 between mile markers 56 and 73.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 9230 4190 9230 4210 9291 4257 9253
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0034Z 283DEG 27KT 4254 9236 4243 9238 4202 9268
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Dodson
Permalink to 202506120054-KDMX-WWUS53-SVSDMX
657
WWUS53 KDMX 120054
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
754 PM CDT Wed Jun 11 2025
IAC075-127-120103-
/O.CAN.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Marshall IA-Grundy IA-
754 PM CDT Wed Jun 11 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MARSHALL AND
SOUTHEASTERN GRUNDY COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Iowa.
LAT...LON 4230 9230 4190 9230 4205 9277 4218 9277
4230 9265 4230 9253 4242 9253 4258 9237
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0053Z 283DEG 27KT 4251 9220 4240 9222 4199 9252
$$
IAC013-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
754 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR BLACK HAWK AND TAMA COUNTIES...
At 753 PM CDT, severe thunderstorms were located along a line
extending from near Raymond to Gilbertville to Toledo Municipal
Airport, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Emergency management reported 60 mph winds and blowing dust
near Trear.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waterloo, Cedar Falls, Toledo, Evansdale, Jesup, La Porte City,
Hudson, Traer, Dysart, Elk Run Heights, Crossroads Mall, Waterloo
Municipal Airport, Gladbrook, Washburn, Dunkerton, Raymond,
Gilbertville, Garwin, Chelsea, and Clutier.
This includes Interstate 380 between mile markers 56 and 73.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 9230 4190 9230 4205 9277 4218 9277
4230 9265 4230 9253 4242 9253 4258 9237
4259 9208 4247 9208 4247 9206 4230 9206
TIME...MOT...LOC 0053Z 283DEG 27KT 4251 9220 4240 9222 4199 9252
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Dodson
Permalink to 202506120109-KDMX-WWUS53-SVSDMX
457
WWUS53 KDMX 120109
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
809 PM CDT Wed Jun 11 2025
IAC013-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
809 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR EASTERN BLACK HAWK AND NORTHEASTERN TAMA COUNTIES...
At 809 PM CDT, severe thunderstorms were located along a line
extending from Jesup to 5 miles east of Gilbertville to Vining,
moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Personal weather station reported a wind gust of 67 mph at
752 PM near La Porte City.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waterloo, Evansdale, Jesup, La Porte City, Traer, Dysart, Elk Run
Heights, Washburn, Dunkerton, Raymond, Gilbertville, Clutier,
Elberon, Vining, and Tf Clark State Park.
This includes Interstate 380 between mile markers 56 and 71.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4195 9230 4209 9264 4221 9263 4234 9236
4258 9223 4259 9208 4247 9208 4247 9206
4230 9206 4230 9230
TIME...MOT...LOC 0109Z 270DEG 27KT 4250 9209 4239 9211 4198 9241
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Dodson
Permalink to 202506120121-KDMX-WWUS53-SVSDMX
980
WWUS53 KDMX 120121
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
821 PM CDT Wed Jun 11 2025
IAC013-171-120130-
/O.CON.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
821 PM CDT Wed Jun 11 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN BLACK HAWK AND NORTHEASTERN TAMA COUNTIES...
At 821 PM CDT, severe thunderstorms were located along a line
extending from near Jesup to near Lime Creek County Park to near
Elberon, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jesup, La Porte City, Traer, Dysart, Clutier, Elberon, and Tf Clark
State Park.
This includes Interstate 380 between mile markers 56 and 59.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4199 9230 4212 9259 4222 9258 4230 9232
4236 9213 4257 9208 4247 9208 4247 9206
4230 9206 4230 9230
TIME...MOT...LOC 0121Z 283DEG 27KT 4249 9200 4238 9202 4197 9232
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Dodson
Permalink to 202506120126-KDMX-WWUS53-SVSDMX
649
WWUS53 KDMX 120126
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
826 PM CDT Wed Jun 11 2025
IAC013-171-120136-
/O.EXP.KDMX.SV.W.0100.000000T0000Z-250612T0130Z/
Black Hawk IA-Tama IA-
826 PM CDT Wed Jun 11 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLACK HAWK AND
NORTHEASTERN TAMA COUNTIES WILL EXPIRE AT 830 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire. However, gusty winds are still possible with
these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Iowa.
LAT...LON 4199 9230 4212 9259 4222 9258 4230 9232
4236 9213 4257 9208 4247 9208 4247 9206
4230 9206 4230 9230
TIME...MOT...LOC 0126Z 283DEG 27KT 4249 9198 4238 9200 4197 9230
$$
Dodson
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