Heavy Snow in Wisconsin, March 9 to 10, 2023

Name: Heavy Snow in Wisconsin, March 9 to 10, 2023
Start: 2023-03-09T17:00
End: 2023-03-10T12:00
Location: Wisconsin

March 9 to 10, 2023 · NWS GRB · 8 events in 8 counties and zones

A low pressure system tracking through the southern Great Lakes brought a swath of heavy snow to central and east-central Wisconsin from Thursday afternoon (3/9) through Friday morning (3/10). Snowfall amounts were generally 6 to 13 inches, with the highest totals in Manitowoc County due to lake enhanced snowfall from Lake Michigan.

Where it happened

Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
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Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 8

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GRB wrote it up.

The highest snowfall totals included 13 inches near Millhome (Manitowoc Co.), 10 inches in Kiel (Manitowoc Co.), 9 inches near Oshkosh (Winnebago Co.), 8.3 inches near Valders (Manitowoc Co.), 8 inches near Two Rivers (Manitowoc Co.) as well as near Auroraville (Waushara Co.), and 7.5 inches in Tigerton (Shawano Co.) as well as Iola (Waupaca Co.).

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before the first event at Mar 9, 2:45 PM CST, 2 hours 15 minutes earlier.

Area forecast discussion, Mar 9, 2:45 PM CST, 2 hours 15 minutes before

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Hazardous weather outlook, Mar 9, 2:46 PM CST, 2 hours 14 minutes before

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In the hours before

Special weather statement, Mar 9, 2:52 PM CST, 2 hours 8 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

8 heavy snow. Local standard time, as filed.

Heavy Snow, Waushara

When: March 9, 5:00 PM CST to March 10, 9:00 AM CST
Where: Waushara forecast zone
Reported by: COOP Observer
Coordinates: 44.113, -89.243 (the zone’s center; the record gives no point)

The highest snowfall totals across Waushara County included 8 inches near Auroraville, 7 inches in Mount Morris, and 6.5 inches in Redgranite.

Heavy Snow, Marathon

When: March 9, 7:00 PM CST to March 10, 9:00 AM CST
Where: Marathon forecast zone
Reported by: COOP Observer
Coordinates: 44.898, -89.759 (the zone’s center; the record gives no point)

The highest snowfall totals across Marathon County included 6.8 inches in Weston and 6.2 inches northeast of Weston.

Heavy Snow, Shawano

When: March 9, 7:00 PM CST to March 10, 9:00 AM CST
Where: Shawano forecast zone
Reported by: COOP Observer
Coordinates: 44.789, -88.765 (the zone’s center; the record gives no point)

The highest snowfall total in Shawano County was 7.5 inches in Tigerton.

Heavy Snow, Portage

When: March 9, 7:00 PM CST to March 10, 9:00 AM CST
Where: Portage forecast zone
Reported by: COOP Observer
Coordinates: 44.476, -89.501 (the zone’s center; the record gives no point)

The highest snowfall totals across Portage County included 6.9 inches near Blaine and 6 inches in Rosholt.

Heavy Snow, Waupaca

When: March 9, 7:00 PM CST to March 10, 9:00 AM CST
Where: Waupaca forecast zone
Reported by: COOP Observer
Coordinates: 44.470, -88.965 (the zone’s center; the record gives no point)

The highest snowfall total in Waupaca County was 7.5 inches in Iola.

Heavy Snow, Winnebago

When: March 9, 7:00 PM CST to March 10, 12:00 PM CST
Where: Winnebago forecast zone
Reported by: COOP Observer
Coordinates: 44.069, -88.645 (the zone’s center; the record gives no point)

The highest snowfall total in Winnebago County was 9 inches near Oshkosh.

Heavy Snow, Calumet

When: March 9, 7:00 PM CST to March 10, 12:00 PM CST
Where: Calumet forecast zone
Reported by: COOP Observer
Coordinates: 44.082, -88.218 (the zone’s center; the record gives no point)

The highest snowfall total in Calumet County was 6 inches near Chilton.

Heavy Snow, Manitowoc

When: March 9, 7:00 PM CST to March 10, 12:00 PM CST
Where: Manitowoc forecast zone
Reported by: COOP Observer
Coordinates: 44.091, -87.700 (the zone’s center; the record gives no point)

The highest snowfall totals across Manitowoc County included 13 inches near Millhome, 10 inches in Kiel, 8.3 inches near Valders, 8 inches near Two Rivers, and 7 inches near Saint Nazianz.

What these are

Heavy Snow: Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wisconsin in 2023 Every state in 2023 This day in weather history Warnings in Wisconsin, March 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1075856, 1075850, 1075851, 1075854, 1075855, 1075857, 1075858, 1075859.