Alert archive / Wisconsin / Small Craft Advisories in 2026

Small Craft Advisory 37, NWS Milwaukee, WI

April 3, 2026

NWS Milwaukee, WI issued this small craft advisory at Apr 3, 2026, 3:04 PM CDT. It took effect at Apr 3, 2026, 9:00 PM CDT. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued: Apr 3, 2026, 3:04 PM CDT (20:04 UTC)
In effect from: Apr 3, 2026, 9:00 PM CDT
Expired: Apr 5, 2026, 1:00 PM CDT
In force: 40 hr
Issued by: NWS Milwaukee, WI

What forecasters said that day

The local office's own words before this small craft advisory 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 small craft advisory went out at Apr 3, 2:20 PM CDT, 44 minutes earlier.

Area forecast discussion, Apr 3, 2:20 PM CDT, 44 minutes before

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Hazardous weather outlook, Apr 3, 3:02 PM CDT, 2 minutes before

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In the hours before

Local storm report, Apr 3, 10:09 AM CDT, 4 hours 55 minutes before

Preliminary Local Storm Report
National Weather Service Milwaukee/Sullivan WI
1009 AM CDT Fri Apr 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0707 PM     Hail             3 NNW Janesville        42.73N 89.03W
04/02/2026  E0.88 Inch       Rock               WI   Emergency Mngr

&&

MG

Local storm report, Apr 3, 10:52 AM CDT, 4 hours 12 minutes before

Preliminary Local Storm Report
National Weather Service Milwaukee/Sullivan WI
1052 AM CDT Fri Apr 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0627 PM     Hail             2 E Janesville          42.69N 88.97W
04/02/2026  E0.75 Inch       Rock               WI   Public

&&

MG

Local storm report, Apr 3, 11:05 AM CDT, 3 hours 59 minutes before

Preliminary Local Storm Report
National Weather Service Milwaukee/Sullivan WI
1105 AM CDT Fri Apr 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0619 PM     Hail             1 WNW Janesville        42.69N 89.03W
04/02/2026  E1.25 Inch       Rock               WI   Broadcast Media

            Hail at Mercy Hospital.

&&

MG

Local storm report, Apr 3, 11:25 AM CDT, 3 hours 39 minutes before

Preliminary Local Storm Report
National Weather Service Milwaukee/Sullivan WI
1125 AM CDT Fri Apr 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0622 PM     Hail             2 NNE Janesville        42.71N 89.01W
04/02/2026  E1.50 Inch       Rock               WI   Broadcast Media

&&

MG

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 2, 7:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MKX	Rock, Walworth	30 min
Apr 2, 7:03 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge	20 min
Apr 2, 7:03 PM CDT	Severe Thunderstorm Warning	MKX	Waukesha	57 min
Apr 2, 7:14 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Rock, Walworth, Waukesha	31 min
Apr 2, 7:30 PM CDT	Severe Thunderstorm Warning	MKX	Walworth	30 min
Apr 2, 7:39 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	14 min
Apr 2, 7:42 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha	32 min
Apr 2, 7:45 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Washington, Waukesha	30 min
Apr 2, 7:46 PM CDT	Special Marine Warning	MKX		89 min
Apr 2, 7:51 PM CDT	River Flood Warning	MKX	Racine	3 days
Apr 2, 7:52 PM CDT	Special Marine Warning	MKX		83 min
Apr 2, 8:34 PM CDT	Areal Flood Advisory	MKX	Kenosha, Racine	3 hr
Apr 3, 11:43 AM CDT	River Flood Warning	MKX	Kenosha	6 days

Nearby

Small Craft Advisories in Wisconsin, 2026 Every small craft advisory 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.