Alert archive / Iowa / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 200, NWS Des Moines, IA

June 10, 20264 counties in Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 10, 2026, 3:22 PM CDT for 4 counties in Iowa. It was in force for 38 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 10, 2026, 3:22 PM CDT (20:22 UTC)
Expired: Jun 10, 2026, 4:00 PM CDT
In force: 38 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Clarke County, IA, Lucas County, IA, Marion County, IA, Monroe County, IA

The radar

The Des Moines radar (KDMX), 79 km from the middle of the area, began a volume at 20:20 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
Jun 10, 2:12 PM CDT	Tornado Watch	SPC	9 hr

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 Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 3:05 PM CDT, 17 minutes earlier.

Area forecast discussion, Jun 10, 3:05 PM CDT, 17 minutes before

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Hazardous weather outlook, Jun 10, 3:08 PM CDT, 14 minutes before

Hazardous Weather Outlook
National Weather Service Des Moines IA
308 PM CDT Wed Jun 10 2026

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-112015-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
308 PM CDT Wed Jun 10 2026

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

Several rounds of thunderstorms are forecast today through
Thursday. Severe storms with large hail, damaging wind gusts, and
tornadoes are all possible, as is heavy rain. There is an
Enhanced Risk (Level 3 of 5) for severe weather both days in
eastern to southern Iowa.

A Flood Watch is in effect for the area. Please refer to the
National Weather Service website at weather.gov/desmoines for
further details.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Storms continue from overnight Wednesday night into Thursday
morning with additional development possible in the afternoon to
evening. Severe storms with all hazards are possible.

Additional storms are expected to develop on Saturday with severe
storms possible in southern Iowa.

A Flood Watch is in effect for the area. Please refer to the
National Weather Service website at weather.gov/desmoines for
further details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times today through Thursday.
Rainfall reports are also appreciated.

In the hours before

Local storm report, Jun 10, 1:10 PM CDT, 2 hours 12 minutes before

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Local storm report, Jun 10, 1:11 PM CDT, 2 hours 11 minutes before

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Local storm report, Jun 10, 1:14 PM CDT, 2 hours 8 minutes before

Preliminary Local Storm Report
National Weather Service Des Moines IA
114 PM CDT Wed Jun 10 2026

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

1144 AM     Tstm Wnd Gst     1 W La Porte City       42.31N 92.21W
06/10/2026  M62 MPH          Black Hawk         IA   Mesonet

            Delayed report. Peak wind gust from a
            personal weather station.

&&

Fowle

Local storm report, Jun 10, 1:16 PM CDT, 2 hours 6 minutes before

Preliminary Local Storm Report
National Weather Service Des Moines IA
116 PM CDT Wed Jun 10 2026

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

1149 AM     Tstm Wnd Gst     4 S Jesup Golf Course   42.42N 92.10W
06/10/2026  E69 MPH          Black Hawk         IA   Mesonet

            Delayed report. Peak wind gust from a
            personal weather station.

&&

Fowle

Local storm report, Jun 10, 1:20 PM CDT, 2 hours 2 minutes before

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Local storm report, Jun 10, 1:23 PM CDT, 1 hour 59 minutes before

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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 10:30 AM CDT	Special Weather Statement	DMX	Boone, Marshall, Story	30 min
Jun 10, 10:42 AM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hamilton, Hardin, Marshall, Story	48 min
Jun 10, 11:02 AM CDT	Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more	29 hr
Jun 10, 11:08 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Marshall, Tama	52 min
Jun 10, 11:33 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	27 min
Jun 10, 11:58 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	15 min
Jun 10, 3:42 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Lucas, Wayne	48 min
Jun 10, 3:44 PM CDT	Tornado Warning	DMX	Decatur, Lucas, Wayne	46 min
Jun 10, 3:57 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Marion, Monroe, Wapello	63 min
Jun 10, 4:23 PM CDT	Tornado Warning	DMX	Appanoose, Lucas, Monroe, Wayne	19 min
Jun 10, 4:27 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Wayne	48 min
Jun 10, 4:41 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DMX	Appanoose	38 min
Jun 10, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Monroe, Wapello	19 min
Jun 10, 5:05 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DMX	Davis	55 min
Jun 10, 6:55 PM CDT	Flash Flood Warning	DMX	Appanoose, Davis	6 hr

Nearby

Severe Thunderstorm Warnings in Iowa, 2026 Every 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; radar from the NEXRAD Level II archive.