Alert archive / Iowa / Snow Squall Warnings in 2026

Snow Squall Warning 1, NWS Quad Cities, IA

January 21, 2026Cedar County, Clinton County, Jackson County, Iowa

NWS Quad Cities, IA issued this snow squall warning at Jan 21, 2026, 5:50 PM CST for Cedar County, Clinton County, Jackson County, Iowa. It was in force for 40 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: Jan 21, 2026, 5:50 PM CST (23:50 UTC)
Expired: Jan 21, 2026, 6:30 PM CST
In force: 40 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon

Counties Cedar County, IA, Clinton County, IA, Jackson County, IA

The radar

The Quad Cities radar (KDVN), 40 km from the middle of the area, began a volume at 23:52 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, 11.8 hours before the alert went out and 269 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1849 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 398 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this snow squall 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 snow squall warning went out at Jan 21, 5:46 PM CST, 4 minutes earlier.

Area forecast discussion, Jan 21, 5:46 PM CST, 4 minutes before

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Hazardous weather outlook, Jan 21, 2:53 PM CST, 2 hours 57 minutes before

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In the hours before

Local storm report, Jan 21, 4:00 PM CST, 1 hour 50 minutes before

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Local storm report, Jan 21, 4:40 PM CST, 1 hour 10 minutes before

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Special weather statement, Jan 21, 4:57 PM CST, 53 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
Jan 21, 2:46 AM CST	Extreme Cold Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	31 hr
Jan 21, 2:46 AM CST	Wind Advisory	DVN	Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more	21 hr
Jan 21, 2:46 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more	21 hr
Jan 21, 11:24 AM CST	Blizzard Warning	DVN	Benton, Buchanan, Delaware, Jones, Linn	10 hr
Jan 21, 11:24 AM CST	High Wind Warning	DVN	Cedar, Iowa, Johnson, Keokuk, Louisa, Muscatine and 1 more	10 hr
Jan 21, 4:57 PM CST	Special Weather Statement	DVN	Clinton, Jackson	78 min

Nearby

Snow Squall Warnings in Iowa, 2026 Every snow squall 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.