Alert archive / Wisconsin / River Flood Warnings in 2026
River Flood Warning 45, NWS Green Bay, WI
NWS Green Bay, WI issued this river flood warning at Apr 20, 2026, 8:25 AM CDT for Florence County, Marinette County, Wisconsin; Dickinson County, Menominee County, Michigan. It was in force for 37 hr.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2026, 8:25 AM CDT (13:25 UTC)
- Expired
- Apr 21, 2026, 9:31 PM CDT
- In force
- 37 hr
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Dickinson County, MI, Menominee County, MI, Florence County, WI, Marinette County, WI
The radar
The Marquette radar (KMQT), 99 km from the middle of the area, began a volume at 13:25 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 river
Written for the forecast point Menominee River at Twin Falls (TWFM4). The gauge peaked at 20.99 ft at Apr 20, 2026, 9:00 PM CDT.
- Action stage
- 18.5 ft
- Minor stage
- 20.5 ft
- Moderate stage
- 22.5 ft
- Major stage
- 25 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 04063522, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 1:15 AM CDT | Small Craft Advisory | GRB | 36 hr | |
| Apr 20, 8:24 AM CDT | River Flood Warning | GRB | Waushara, Winnebago | 21 days |
Nearby
River Flood Warnings in Wisconsin, 2026River Flood Warnings in Michigan, 2026Every river flood 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; the gauge from the NWS water service and the USGS.