Alert archive / Iowa / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 252, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jul 2, 2026, 4:45 PM CDT for Hamilton County, Webster County, Wright County, Iowa. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 2, 2026, 4:45 PM CDT (21:45 UTC)
- Expired
- Jul 2, 2026, 5:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Hamilton County, IA, Webster County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 80 km from the middle of the area, began a volume at 21:48 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 2, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.8 hours before the alert went out and 274 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
- 152 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.0
The text
As transmitted.
645
WUUS53 KDMX 022145
SVRDMX
IAC079-187-197-022230-
/O.NEW.KDMX.SV.W.0252.260702T2145Z-260702T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
445 PM CDT Thu Jul 2 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
East central Webster County in central Iowa...
Southwestern Wright County in north central Iowa...
Northwestern Hamilton County in central Iowa...
* Until 530 PM CDT.
* At 445 PM CDT, a severe thunderstorm was located over Otho, or 7
miles south of Fort Dodge, moving east at 35 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Fort Dodge, Webster City, Coalville, Otho, Lehigh, Duncombe,
Kamrar, Moorland, Woolstock, Woodman Hollow State Park, Dolliver
Memorial State Park, Lizard Creek State Recreation Area, Brushy
Creek St Recreation Area, and Webster City Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4231 9427 4247 9430 4262 9376 4232 9372
TIME...MOT...LOC 2145Z 258DEG 29KT 4240 9418
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fowle2 follow-up statements
869
WWUS53 KDMX 022206
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
506 PM CDT Thu Jul 2 2026
IAC079-187-197-022230-
/O.CON.KDMX.SV.W.0252.000000T0000Z-260702T2230Z/
Webster IA-Wright IA-Hamilton IA-
506 PM CDT Thu Jul 2 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EAST CENTRAL WEBSTER...SOUTHWESTERN WRIGHT AND NORTHWESTERN
HAMILTON COUNTIES...
At 506 PM CDT, a severe thunderstorm was located near Duncombe, or 7
miles west of Webster City, moving east at 35 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Fort Dodge, Webster City, Coalville, Lehigh, Duncombe, Kamrar,
Woolstock, Woodman Hollow State Park, Brushy Creek St Recreation
Area, Webster City Municipal Airport, and Dolliver Memorial State
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4233 9406 4251 9415 4262 9376 4232 9372
TIME...MOT...LOC 2206Z 258DEG 29KT 4244 9395
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ansorge576 WWUS53 KDMX 022223 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 523 PM CDT Thu Jul 2 2026 IAC079-187-197-022233- /O.EXP.KDMX.SV.W.0252.000000T0000Z-260702T2230Z/ Webster IA-Wright IA-Hamilton IA- 523 PM CDT Thu Jul 2 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WEBSTER... SOUTHWESTERN WRIGHT AND NORTHWESTERN HAMILTON COUNTIES WILL EXPIRE AT 530 PM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 700 PM CDT for central and north central Iowa. LAT...LON 4233 9406 4251 9415 4262 9376 4232 9372 TIME...MOT...LOC 2223Z 258DEG 29KT 4247 9379 $$ Ansorge
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:47 AM CDT | Special Weather Statement | DMX | Winnebago | 28 min |
| Jul 2, 8:15 AM CDT | Special Weather Statement | DMX | Worth | 30 min |
| Jul 2, 11:23 AM CDT | Special Weather Statement | DMX | Cerro Gordo, Hancock | 52 min |
| Jul 2, 11:44 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Worth | 61 min |
| Jul 2, 1:05 PM CDT | Flood Watch | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 39 more | 42 hr |
| Jul 2, 1:29 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 46 min |
| Jul 2, 1:57 PM CDT | Tornado Warning | DMX | Bremer | 18 min |
| Jul 2, 2:19 PM CDT | River Flood Watch | DMX | Black Hawk, Bremer, Butler | 59 hr |
| Jul 2, 2:19 PM CDT | River Flood Watch | DMX | Black Hawk | 5 days |
| Jul 2, 2:19 PM CDT | River Flood Watch | DMX | Black Hawk | 4 days |
| Jul 2, 2:21 PM CDT | River Flood Watch | DMX | Black Hawk, Bremer | 21 days |
| Jul 2, 2:21 PM CDT | River Flood Watch | DMX | Franklin, Wright | 21 days |
| Jul 2, 2:21 PM CDT | River Flood Watch | DMX | Cerro Gordo, Floyd, Worth | 21 days |
| Jul 2, 4:00 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 45 min |
| Jul 2, 4:03 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 43 min |
| Jul 2, 4:13 PM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall, Story | 47 min |
| Jul 2, 4:17 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 58 min |
| Jul 2, 4:32 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 58 min |
| Jul 2, 4:54 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 25 min |
| Jul 2, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Grundy, Hardin, Marshall | 29 min |
| Jul 2, 5:10 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 50 min |
| Jul 2, 5:15 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin | 45 min |
| Jul 2, 5:16 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 44 min |
| Jul 2, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk, Story | 32 min |
| Jul 2, 6:58 PM CDT | Flash Flood Warning | DMX | Black Hawk, Grundy, Marshall, Tama | 6 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 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.