Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 257, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 21, 2026, 3:23 PM CDT for Iowa County, Sauk County, Wisconsin. It was in force for 52 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
- Aug 21, 2026, 3:23 PM CDT (20:23 UTC)
- Expired
- Aug 21, 2026, 4:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Iowa County, WI, Sauk County, WI
The radar
The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 20:24 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 |
|---|---|---|---|
| Aug 21, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 2:53 PM CDT | Special Weather Statement | MKX | Sauk | 52 min |
| Aug 21, 3:54 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Iowa | 66 min |
| Aug 21, 3:56 PM CDT | Special Weather Statement | MKX | Sauk | 49 min |
| Aug 21, 4:18 PM CDT | Tornado Warning | MKX | Dane | 28 min |
| Aug 21, 4:41 PM CDT | Special Weather Statement | MKX | Marquette | 49 min |
| Aug 21, 5:14 PM CDT | Special Weather Statement | MKX | Lafayette | 31 min |
| Aug 21, 6:06 PM CDT | Special Weather Statement | MKX | Fond du Lac | 39 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2026Every 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.