Alert archive / Iowa / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 211, NWS Quad Cities, IA

July 3, 2026Clinton County, Jackson County, Scott County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 3, 2026, 9:38 AM CDT for Clinton County, Jackson County, Scott County, Iowa. It was in force for 37 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: Jul 3, 2026, 9:38 AM CDT (14:38 UTC)
Expired: Jul 3, 2026, 10:15 AM CDT
In force: 37 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clinton County, IA, Jackson County, IA, Scott County, IA

The radar

The Quad Cities radar (KDVN), 32 km from the middle of the area, began a volume at 14:37 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.6 hours before the alert went out and 256 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2722 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 932 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

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 Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 7:22 AM CDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jul 3, 7:22 AM CDT, 2 hours 16 minutes before

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Hazardous weather outlook, Jul 3, 3:58 AM CDT, 5 hours 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 7:26 PM CDT	Special Weather Statement	DVN	Delaware, Linn	64 min
Jul 2, 8:29 PM CDT	Special Weather Statement	DVN	Linn	46 min
Jul 3, 9:50 AM CDT	Severe Thunderstorm Warning	DVN	Henry	24 min
Jul 3, 11:31 AM CDT	River Flood Watch	DVN	Benton, Iowa	22 hr
Jul 3, 11:35 AM CDT	River Flood Watch	DVN	Cedar, Jones, Linn	4 days
Jul 3, 11:35 AM CDT	River Flood Watch	DVN	Clinton, Scott	23 hr
Jul 3, 4:55 PM CDT	Special Weather Statement	DVN	Iowa	65 min
Jul 3, 5:13 PM CDT	Special Weather Statement	DVN	Delaware, Dubuque, Jackson, Jones, Linn	77 min
Jul 3, 6:15 PM CDT	Special Weather Statement	DVN	Cedar, Clinton, Jackson, Johnson	45 min
Jul 3, 6:25 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	50 min
Jul 3, 6:54 PM CDT	Special Weather Statement	DVN	Clinton, Muscatine, Scott	66 min
Jul 2, 10:59 PM CDT	Special Weather Statement	DVN	Henry, Mercer	61 min
Jul 2, 11:21 PM CDT	Special Weather Statement	DVN	Bureau	39 min
Jul 3, 10:18 AM CDT	Special Weather Statement	DVN	Carroll, Jo Daviess, Stephenson	72 min
Jul 3, 10:57 AM CDT	Severe Thunderstorm Warning	DVN	Carroll, Stephenson	37 min
Jul 3, 12:41 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	26 min
Jul 3, 5:19 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess, Stephenson	56 min
Jul 3, 5:21 PM CDT	Severe Thunderstorm Warning	DVN	Bureau	28 min
Jul 3, 5:26 PM CDT	Tornado Warning	DVN	Jo Daviess	34 min
Jul 3, 5:42 PM CDT	Tornado Warning	DVN	Stephenson	42 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.