Alert archive / Iowa / Special Weather Statements in 2026

Special Weather Statement, NWS Quad Cities, IA

September 19, 2026Delaware County, Iowa

NWS Quad Cities, IA issued this special weather statement at Sep 19, 2026, 2:21 AM CDT for Delaware County, Iowa. It was in force for 39 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: Sep 19, 2026, 2:21 AM CDT (07:21 UTC)
Expired: Sep 19, 2026, 3:00 AM CDT
In force: 39 min
Issued by: NWS Quad Cities, IA
Hail: 0.75 in
Wind: 40

County Delaware County, IA

The radar

The Quad Cities radar (KDVN), 123 km from the middle of the area, began a volume at 07:23 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 text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this special weather statement went out at Sep 19, 1:03 AM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Sep 19, 1:03 AM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, Sep 18, 3:07 PM CDT, 11 hours 14 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
307 PM CDT Fri Sep 18 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-192015-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
307 PM CDT Fri Sep 18 2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Scattered showers and isolated thunderstorms are likely to
develop this evening, mainly north of Highway 30. Primary hazard
will be gusty winds and heavy rain.

Another round of heavy rain with embedded thunder is likely north
of I-80 late tonight. A Flood Watch has been issued for much of
east-central Iowa and far northwestern Illinois through Saturday.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Additional rounds of rain with embedded thunderstorms are
expected through Sunday. The primary risks with each round will
be lightning and heavy rainfall. Rises on area tributary rivers
may result in flooding.

There is a Marginal Risk, Level 1 out of 5, for isolated severe
storms Saturday afternoon and evening. The primary severe hazard
will be damaging winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible tonight and Saturday.

In the hours before

Special weather statement, Sep 19, 2:21 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Quad Cities IA/IL
221 AM CDT Sat Sep 19 2026

IAZ040-041-051-052-190800-
Linn IA-Buchanan IA-Delaware IA-Benton IA-
221 AM CDT Sat Sep 19 2026

...A strong thunderstorm will impact portions of northern Linn,
southern Buchanan, southwestern Delaware and northeastern Benton
Counties through 300 AM CDT...

At 221 AM CDT, Doppler radar was tracking a strong thunderstorm over
Rowley, or 9 miles southeast of Independence, moving east at 35 mph.

HAZARD...Winds in excess of 40 mph and minor flooding.

SOURCE...Radar indicated.

IMPACT...Gusty winds could cause minor tree limb damage and blow
         around unsecured objects. Slowing or redirecting of traffic
         due to ponding or flowing water. Closure of waterfront
         access due to flooding.

Locations impacted include...
Independence, Manchester, Center Point, Urbana, Winthrop, Walker,
Coggon, Quasqueton, Ryan, Rowley, Prairieburg, Masonville, Troy
Mills, Paris, Lime Creek County Park, Robinson, Delaware County
Fairgrounds, Buffalo Creek Park, Monti, and Baileys Ford Park.

This includes Interstate 380 between mile markers 39 and 51.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4218 9198 4244 9200 4251 9136 4223 9137
TIME...MOT...LOC 0721Z 264DEG 29KT 4235 9181

MAX HAIL SIZE...<0.75 IN
MAX WIND GUST...40 MPH

McClure

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 19, 4:00 AM CDT	Special Weather Statement	DVN	Dubuque	45 min
Sep 19, 4:19 AM CDT	Flash Flood Warning	DVN	Dubuque, Jackson	6 hr
Sep 19, 8:54 AM CDT	River Flood Watch	DVN	Johnson, Washington	20 hr
Sep 19, 8:54 AM CDT	River Flood Watch	DVN	Louisa, Muscatine	25 hr
Sep 19, 9:37 AM CDT	River Flood Watch	DVN	Jackson	11 hr
Sep 19, 9:37 AM CDT	River Flood Watch	DVN	Clinton, Scott	21 days
Sep 19, 9:37 AM CDT	River Flood Watch	DVN	Cedar, Jones, Linn	35 hr
Sep 19, 7:06 AM CDT	Special Weather Statement	DVN	Henry, Rock Island, Whiteside	39 min
Sep 19, 9:41 AM CDT	River Flood Watch	DVN	Henry, Rock Island, Whiteside	6 days
Sep 19, 9:41 AM CDT	River Flood Watch	DVN	Henry, Rock Island	5 days

Nearby

Special Weather Statements in Iowa, 2026 Every special weather statement 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.