County Hazards

States › South Dakota › Day County › Winter

Winter in Day County, South Dakota

155 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.

155 events · 1 deaths recorded · peak month December · county share of state 1.5%

Winter event locations in and around Day County. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Day County, South Dakota, has 155 winter events in the NCEI record since 1950, with at least one in 28 different years.

December is the busiest month, with 34 of the recorded events. The last 20 years account for 116 events against 39 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.5% of the 10,128 winter events recorded in South Dakota; its 15.1 per 100 square miles compares with 13.4 statewide.

NCEI attributes 1 death in the county to winter storms and snow.

Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.

Compared with South Dakota

MeasureDay CountySouth DakotaUS
Winter events since 195015510,128287,339
Per 100 square miles15.113.48.1
Per 10,000 residents286.3113.18.7
Deaths recorded1732,509
Busiest monthDecemberDecemberJanuary

By year

195019882026
Winter events recorded in Day County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
31
Feb
26
Mar
25
Apr
17
May
0
Jun
0
Jul
0
Aug
0
Sep
0
Oct
4
Nov
18
Dec
34
Winter events in Day County by month of occurrence, all years.

Recorded events

All 155 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
3 Apr 2026Heavy Snow—————Forecast zone
28 Feb 2026Heavy Snow—————Forecast zone
18 Feb 2026Blizzard—————Forecast zone
18 Jan 2026Blizzard—————Forecast zone
16 Jan 2026Winter Weather—————Forecast zone
28 Dec 2025Winter Weather—————Forecast zone
18 Dec 2025Blizzard—————Forecast zone
25 Nov 2025Blizzard—————Forecast zone
1 Apr 2025Winter Storm—————Forecast zone
9 Dec 2024Winter Weather—————Forecast zone
24 Mar 2024Heavy Snow—————Forecast zone
25 Dec 2023Ice Storm—————Forecast zone
30 Oct 2023Winter Weather—————Forecast zone
5 Apr 2023Winter Weather—————Forecast zone
4 Apr 2023Heavy Snow—————Forecast zone
31 Mar 2023Blizzard—————Forecast zone
16 Mar 2023Winter Weather—————Forecast zone
1 Mar 2023Heavy Snow—————Forecast zone
22 Feb 2023Blizzard—————Forecast zone
20 Feb 2023Winter Weather—————Forecast zone
14 Feb 2023Blizzard—————Forecast zone
9 Feb 2023Winter Weather—————Forecast zone
16 Jan 2023Winter Weather—————Forecast zone
23 Dec 2022Blizzard—————Forecast zone
15 Dec 2022Blizzard—————Forecast zone
13 Dec 2022Ice Storm—————Forecast zone
9 Nov 2022Ice Storm—————Forecast zone
14 Apr 2022Blizzard—————Forecast zone
20 Feb 2022Heavy Snow—————Forecast zone
4 Jan 2022Blizzard—————Forecast zone
17 Dec 2021Heavy Snow—————Forecast zone
11 Nov 2021Blizzard—————Forecast zone
10 Mar 2021Heavy Snow—————Forecast zone
14 Jan 2021Blizzard—————Forecast zone
23 Dec 2020Blizzard———1—Forecast zone
22 Oct 2020Heavy Snow—————Forecast zone
20 Oct 2020Heavy Snow—————Forecast zone
12 Feb 2020Blizzard—————Forecast zone
17 Jan 2020Blizzard—————Forecast zone
29 Dec 2019Blizzard—————Forecast zone
28 Dec 2019Winter Storm—————Forecast zone
1 Dec 2019Winter Storm—————Forecast zone
29 Nov 2019Winter Storm—————Forecast zone
10 Oct 2019Heavy Snow—————Forecast zone
11 Apr 2019Blizzard—————Forecast zone
14 Mar 2019Blizzard—————Forecast zone
9 Mar 2019Heavy Snow—————Forecast zone
24 Feb 2019Blizzard—————Forecast zone
19 Feb 2019Heavy Snow—————Forecast zone
7 Feb 2019Blizzard—————Forecast zone
27 Jan 2019Heavy Snow—————Forecast zone
27 Jan 2019Blizzard—————Forecast zone
31 Dec 2018Blizzard—————Forecast zone
27 Dec 2018Blizzard—————Forecast zone
13 Apr 2018Blizzard—————Forecast zone
8 Apr 2018Heavy Snow—————Forecast zone
23 Mar 2018Heavy Snow—————Forecast zone
5 Mar 2018Heavy Snow—————Forecast zone
4 Dec 2017Blizzard—————Forecast zone
12 Mar 2017Heavy Snow—————Forecast zone
26 Dec 2016Blizzard—————Forecast zone
25 Dec 2016Ice Storm—$665K———Forecast zone
18 Nov 2016Blizzard—————Forecast zone
13 Feb 2016Winter Storm—————Forecast zone
1 Dec 2015Heavy Snow—————Forecast zone
30 Nov 2015Heavy Snow—————Forecast zone
3 Mar 2015Blizzard—————Forecast zone
10 Feb 2015Winter Weather—————Forecast zone
8 Jan 2015Blizzard—————Forecast zone
15 Dec 2014Winter Weather—————Forecast zone
9 Nov 2014Heavy Snow—————Forecast zone
31 Mar 2014Blizzard—————Forecast zone
13 Feb 2014Blizzard—————Forecast zone
25 Jan 2014Blizzard—————Forecast zone
22 Jan 2014Blizzard—————Forecast zone
18 Jan 2014Blizzard—————Forecast zone
16 Jan 2014Blizzard—————Forecast zone
3 Jan 2014Blizzard—————Forecast zone
3 Dec 2013Winter Storm—————Forecast zone
14 Apr 2013Winter Storm—————Forecast zone
10 Apr 2013Winter Storm—————Forecast zone
18 Mar 2013Blizzard—————Forecast zone
8 Mar 2013Ice Storm—————Forecast zone
18 Feb 2013Blizzard—————Forecast zone
10 Feb 2013Blizzard—————Forecast zone
28 Jan 2013Winter Storm—————Forecast zone
9 Dec 2012Blizzard—————Forecast zone
29 Feb 2012Blizzard—————Forecast zone
22 Mar 2011Heavy Snow—————Forecast zone
11 Mar 2011Blizzard—————Forecast zone
20 Feb 2011Blizzard—————Forecast zone
30 Jan 2011Heavy Snow—————Forecast zone
1 Jan 2011Blizzard—————Forecast zone
31 Dec 2010Blizzard—————Forecast zone
30 Dec 2010Blizzard—————Forecast zone
11 Dec 2010Blizzard—————Forecast zone
25 Jan 2010Blizzard—————Forecast zone
22 Jan 2010Winter Storm—————Forecast zone
6 Jan 2010Winter Storm—————Forecast zone
23 Dec 2009Blizzard—————Forecast zone
30 Mar 2009Blizzard—————Forecast zone
10 Mar 2009Blizzard—————Forecast zone
26 Feb 2009Winter Storm—————Forecast zone
12 Jan 2009Blizzard—————Forecast zone
19 Dec 2008Blizzard—————Forecast zone
13 Dec 2008Blizzard—————Forecast zone
6 Nov 2008Blizzard—————Forecast zone
25 Apr 2008Winter Storm—————Forecast zone
10 Apr 2008Blizzard—————Forecast zone
6 Apr 2008Heavy Snow—————Forecast zone
20 Mar 2008Heavy Snow—————Forecast zone
1 Dec 2007Heavy Snow—————Forecast zone
2 Apr 2007Heavy Snow—————Forecast zone
2 Mar 2007Blizzard—————Forecast zone
28 Feb 2007Heavy Snow—————Forecast zone
24 Feb 2007Winter Storm—————Forecast zone
30 Dec 2006Winter Storm—————Forecast zone
11 Mar 2006Heavy Snow—————Forecast zone
29 Dec 2005Winter Storm—————Forecast zone
27 Nov 2005Ice Storm—————Forecast zone
21 Jan 2005Blizzard—————Forecast zone
26 Nov 2001Winter Storm—————Forecast zone
22 Apr 2001Winter Storm—————Forecast zone
24 Feb 2001Winter Storm—————Forecast zone
7 Feb 2001Winter Storm—————Forecast zone
29 Jan 2001Winter Storm—————Forecast zone
28 Dec 2000Blizzard—————Forecast zone
16 Dec 2000Blizzard—————Forecast zone
30 Nov 2000Heavy Snow—————Forecast zone
28 Nov 2000Heavy Snow—————Forecast zone
11 Nov 2000Winter Storm—————Forecast zone
16 Apr 2000Heavy Snow—————Forecast zone
17 Jan 1999Blizzard—————Forecast zone
1 Jan 1999Winter Storm—————Forecast zone
9 Nov 1998Blizzard—————Forecast zone
31 Mar 1998Blizzard—————Forecast zone
4 Apr 1997Blizzard—————Forecast zone
12 Mar 1997Winter Storm—————Forecast zone
3 Mar 1997Winter Storm—————Forecast zone
3 Feb 1997Winter Storm—————Forecast zone
22 Jan 1997Blizzard—————Forecast zone
15 Jan 1997Blizzard—————Forecast zone
9 Jan 1997Blizzard—————Forecast zone
3 Jan 1997Winter Storm—————Forecast zone
23 Dec 1996Blizzard—————Forecast zone
16 Dec 1996Blizzard—————Forecast zone
29 Nov 1996Winter Storm—————Forecast zone
22 Nov 1996Heavy Snow—————Forecast zone
19 Nov 1996Winter Storm—————Forecast zone
16 Nov 1996Winter Storm—————Forecast zone
24 Mar 1996Blizzard—————Forecast zone
26 Feb 1996Heavy Snow—————Forecast zone
10 Feb 1996Blizzard—————Forecast zone
17 Jan 1996Blizzard—————Forecast zone
10 Jan 1996Ice Storm—————Forecast zone

Questions and answers

How many winter events has Day County had?

155 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.

When was the last recorded winter event in Day County?

3 Apr 2026 (Heavy Snow). Records reach NCEI about 120 days after the month ends.

What was the most damaging winter event recorded in Day County?

The ice storm of 25 Dec 2016, with property damage estimated by NCEI at $665K.

How does Day County compare with South Dakota for winter?

15.1 events per 100 square miles against 13.4 statewide; the county holds 155 of the state's 10,128 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Winter hub and the county page.