Alert archive / Wisconsin / Flash Flood Watches in 2026
Flash Flood Watch 1, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood watch at Apr 16, 2026, 12:46 PM CDT for Columbia County, Sauk County, Wisconsin. It took effect at Apr 16, 2026, 1:00 PM CDT. It was in force for 66 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2026, 12:46 PM CDT (17:46 UTC)
- In effect from
- Apr 16, 2026, 1:00 PM CDT
- Expired
- Apr 19, 2026, 7:00 AM CDT
- In force
- 66 hr
- Issued by
- NWS Milwaukee, WI
- Flood severity
- None
Counties Columbia County, WI, Sauk County, WI
The radar
The Milwaukee radar (KMKX), 103 km from the middle of the area, began a volume at 17:49 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.
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before this flash flood watch went out at Apr 16, 6:13 AM CDT, 6 hours 33 minutes earlier.
Area forecast discussion, Apr 16, 6:13 AM CDT, 6 hours 33 minutes before
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</html>Hazardous weather outlook, Apr 16, 6:17 AM CDT, 6 hours 29 minutes before
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Local storm report, Apr 16, 8:09 AM CDT, 4 hours 37 minutes before
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</html>The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:06 PM CDT | Special Weather Statement | MKX | Green | 24 min |
| Apr 15, 7:07 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson | 38 min |
| Apr 15, 7:19 PM CDT | Tornado Warning | MKX | Rock | 41 min |
| Apr 15, 7:26 PM CDT | Flash Flood Warning | MKX | Dane, Green, Jefferson, Lafayette, Rock, Walworth | 3 hr |
| Apr 15, 7:34 PM CDT | Special Weather Statement | MKX | Rock | 26 min |
| Apr 15, 7:38 PM CDT | Special Weather Statement | MKX | Rock | 37 min |
| Apr 15, 7:51 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 39 min |
| Apr 15, 8:01 PM CDT | Special Weather Statement | MKX | Waukesha | 44 min |
| Apr 15, 8:03 PM CDT | Flash Flood Warning | MKX | Dodge, Jefferson, Milwaukee, Ozaukee, Washington, Waukesha | 3 hr |
| Apr 15, 8:03 PM CDT | Tornado Warning | MKX | Walworth | 27 min |
| Apr 15, 8:07 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Rock, Walworth | 53 min |
| Apr 15, 8:08 PM CDT | Special Marine Warning | MKX | 2 hr | |
| Apr 15, 8:15 PM CDT | Severe Thunderstorm Warning | MKX | Waukesha | 30 min |
| Apr 15, 8:16 PM CDT | Tornado Warning | MKX | Kenosha, Racine, Walworth | 29 min |
| Apr 15, 8:22 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 53 min |
| Apr 15, 8:22 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee | 33 min |
| Apr 15, 8:24 PM CDT | Tornado Warning | MKX | Racine | 20 min |
| Apr 15, 8:52 PM CDT | Flash Flood Warning | MKX | Kenosha, Racine, Rock, Walworth | 3 hr |
| Apr 15, 9:13 PM CDT | Special Weather Statement | MKX | Kenosha, Racine | 32 min |
| Apr 15, 9:41 PM CDT | River Flood Warning | MKX | Waukesha | 22 hr |
| Apr 15, 10:09 PM CDT | Special Marine Warning | MKX | 36 min | |
| Apr 15, 10:46 PM CDT | River Flood Warning | MKX | Racine | 4 days |
| Apr 15, 10:46 PM CDT | River Flood Warning | MKX | Rock | 44 hr |
| Apr 15, 10:58 PM CDT | Areal Flood Warning | MKX | Milwaukee, Waukesha | 3 hr |
| Apr 15, 11:23 PM CDT | River Flood Warning | MKX | Green, Rock | 5 days |
| Apr 15, 11:23 PM CDT | River Flood Warning | MKX | Sheboygan | 13 hr |
| Apr 15, 11:23 PM CDT | River Flood Warning | MKX | Waukesha | 6 days |
| Apr 15, 11:23 PM CDT | River Flood Warning | MKX | Jefferson | 21 days |
| Apr 15, 11:23 PM CDT | River Flood Warning | MKX | Milwaukee | 44 hr |
| Apr 15, 11:27 PM CDT | River Flood Warning | MKX | Columbia, Sauk | 4 days |
| Apr 16, 3:01 AM CDT | Dense Fog Advisory | MKX | Sheboygan | 7 hr |
| Apr 16, 3:18 AM CDT | Areal Flood Advisory | MKX | Dane, Jefferson, Milwaukee, Racine, Rock, Walworth and 1 more | 3 hr |
| Apr 16, 4:38 AM CDT | River Flood Warning | MKX | Columbia, Sauk | 3 days |
| Apr 16, 5:27 AM CDT | Areal Flood Warning | MKX | Jefferson, Milwaukee, Racine, Walworth, Waukesha | 7 hr |
| Apr 16, 5:37 AM CDT | River Flood Warning | MKX | Milwaukee | 14 hr |
| Apr 16, 10:46 AM CDT | Marine Dense Fog Advisory | MKX | 41 hr | |
| Apr 16, 11:06 AM CDT | River Flood Warning | MKX | Dane | 8 hr |
| Apr 16, 11:39 AM CDT | River Flood Warning | MKX | Fond du Lac | 8 hr |
| Apr 16, 11:45 AM CDT | River Flood Watch | MKX | Jefferson, Rock | 34 hr |
| Apr 16, 12:23 PM CDT | River Flood Warning | MKX | Green Lake | 21 days |
| Apr 16, 12:25 PM CDT | River Flood Warning | MKX | Rock | 21 days |
| Apr 16, 12:26 PM CDT | River Flood Warning | MKX | Jefferson | 21 days |
| Apr 16, 12:28 PM CDT | River Flood Warning | MKX | Jefferson | 21 days |
| Apr 16, 3:11 PM CDT | Flood Watch | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more | 33 hr |
| Apr 16, 6:23 PM CDT | Dense Fog Advisory | MKX | Dodge, Fond du Lac, Jefferson, Kenosha, Milwaukee, Ozaukee and 6 more | 15 hr |
Nearby
Flash Flood Watches in Wisconsin, 2026Every flash flood watch 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.