Alert archive / Wisconsin / River Flood Warnings in 2026

River Flood Warning 47, NWS Green Bay, WI

April 22, 2026Winnebago County, Wisconsin

NWS Green Bay, WI issued this river flood warning at Apr 22, 2026, 8:27 AM CDT for Winnebago County, Wisconsin. It was in force for 10 days.

The area

The counties it named.

The facts

Issued
Apr 22, 2026, 8:27 AM CDT (13:27 UTC)
Expired
May 2, 2026, 7:26 AM CDT
In force
10 days
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Flood severity
Minor

County Winnebago County, WI

The radar

The Green Bay radar (KGRB), 64 km from the middle of the area, began a volume at 13:24 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 river

Written for the forecast point Fox River (North) at Oshkosh (OSSW3). The gauge peaked at 7.73 ft at Apr 27, 2026, 4:00 PM CDT.

actionminormoderate678904/2204/2304/2404/2504/2604/2704/2804/2904/3005/0105/0205/03
Action stage
7 ft
Minor stage
7.5 ft
Moderate stage
8.5 ft
Major stage
9.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04082400, 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.

IssuedProductOfficeCountiesLasted
Apr 22, 6:53 AM CDTRiver Flood WarningGRBWinnebago11 days

Nearby

River Flood Warnings in Wisconsin, 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.