Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 146, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Sep 4, 2026, 1:57 AM CDT for Calumet County, Manitowoc County, Wisconsin. It was in force for 63 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
- Sep 4, 2026, 1:57 AM CDT (06:57 UTC)
- Expired
- Sep 4, 2026, 3:00 AM CDT
- In force
- 63 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Calumet County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 06:57 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 office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 7:29 PM CDT | Special Weather Statement | GRB | Wood | 31 min |
| Sep 3, 7:57 PM CDT | Special Weather Statement | GRB | Portage, Wood | 33 min |
| Sep 3, 8:30 PM CDT | Special Weather Statement | GRB | Waushara | 45 min |
| Sep 3, 11:56 PM CDT | Special Weather Statement | GRB | Menominee, Shawano | 34 min |
| Sep 4, 12:04 AM CDT | Severe Thunderstorm Warning | GRB | Menominee, Shawano | 41 min |
| Sep 4, 12:22 AM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca | 53 min |
| Sep 4, 12:43 AM CDT | Severe Thunderstorm Warning | GRB | Calumet, Winnebago | 18 min |
| Sep 4, 1:06 AM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Waushara, Winnebago | 39 min |
| Sep 4, 1:33 AM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Waupaca, Waushara, Winnebago | 57 min |
| Sep 4, 4:32 AM CDT | Special Weather Statement | GRB | Marinette | 28 min |
| Sep 4, 4:49 AM CDT | Areal Flood Advisory | GRB | Calumet, Outagamie, Winnebago | 4 hr |
| Sep 4, 6:53 AM CDT | Special Weather Statement | GRB | Waushara | 37 min |
| Sep 4, 7:19 AM CDT | Special Weather Statement | GRB | Calumet, Winnebago | 56 min |
| Sep 4, 7:39 AM CDT | Areal Flood Advisory | GRB | Calumet, Manitowoc, Winnebago | 2 hr |
| Sep 4, 4:27 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 48 min |
| Sep 4, 5:07 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 53 min |
| Sep 4, 5:48 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 57 min |
| Sep 4, 6:18 PM CDT | Areal Flood Advisory | GRB | Marathon, Portage, Wood | 3 hr |
| Sep 4, 6:18 PM CDT | Special Weather Statement | GRB | Wood | 42 min |
| Sep 4, 6:39 PM CDT | Special Weather Statement | GRB | Portage, Wood | 66 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.