Alert archive / Iowa / Winter Storm Warnings in 2025
Winter Storm Warning 5, NWS Quad Cities, IA
NWS Quad Cities, IA issued this winter storm warning at Dec 18, 2025, 4:06 PM CST for 13 counties in Iowa; Rock Island County, Illinois. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 18, 2025, 4:06 PM CST (22:06 UTC)
- Expired
- Dec 18, 2025, 10:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
Counties Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Muscatine County, IA, Scott County, IA, Rock Island County, IL
The radar
The Quad Cities radar (KDVN), 66 km from the middle of the area, began a volume at 22:11 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, 10.1 hours before the alert went out and 298 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 483 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 538 m²/s²
- 0-3 km storm-relative helicity
- 551 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 2:19 AM CST | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 22 hr |
| Dec 18, 6:08 AM CST | Special Weather Statement | DVN | Benton, Iowa, Jefferson, Keokuk, Van Buren, Washington | 37 min |
| Dec 18, 6:40 AM CST | Special Weather Statement | DVN | Benton, Iowa, Jefferson, Keokuk, Van Buren, Washington | 65 min |
| Dec 18, 6:41 AM CST | Special Weather Statement | DVN | Benton, Iowa, Jefferson, Keokuk, Van Buren, Washington | 64 min |
| Dec 18, 7:38 AM CST | Special Weather Statement | DVN | Henry, Jefferson, Johnson, Jones, Keokuk, Linn and 2 more | 52 min |
| Dec 18, 8:27 AM CST | Special Weather Statement | DVN | Cedar, Des Moines, Henry, Jackson, Jones, Lee and 2 more | 48 min |
| Dec 18, 9:41 AM CST | Special Weather Statement | DVN | Clinton, Scott | 49 min |
| Dec 18, 10:27 AM CST | Special Weather Statement | DVN | Bureau, Henry | 63 min |
| Dec 18, 11:13 AM CST | Special Weather Statement | DVN | Putnam | 47 min |
Nearby
Winter Storm Warnings in Iowa, 2025Winter Storm Warnings in Illinois, 2025Every winter storm warning in 2025
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.