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Winter in Mills County, Iowa

66 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.

66 events · 1 deaths recorded · peak month January · county share of state 0.6%

Winter event locations in and around Mills 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.

Mills County, Iowa, has 66 winter events in the NCEI record since 1950, with at least one in 27 different years.

January is the busiest month, with 21 of the recorded events. The last 20 years account for 44 events against 22 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.6% of the 10,746 winter events recorded in Iowa; its 15.1 per 100 square miles compares with 19.2 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 Iowa

MeasureMills CountyIowaUS
Winter events since 19506610,746287,339
Per 100 square miles15.119.28.1
Per 10,000 residents45.633.78.7
Deaths recorded1472,509
Busiest monthJanuaryJanuaryJanuary

By year

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

Seasonality

Jan
21
Feb
18
Mar
7
Apr
2
May
0
Jun
0
Jul
0
Aug
0
Sep
0
Oct
1
Nov
2
Dec
15
Winter events in Mills County by month of occurrence, all years.

Recorded events

All 66 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
19 Feb 2026Winter Storm—————Forecast zone
4 Mar 2025Blizzard—————Forecast zone
11 Jan 2024Winter Storm—————Forecast zone
16 Feb 2023Winter Storm—————Forecast zone
25 Jan 2021Winter Storm—————Forecast zone
14 Jan 2021Blizzard—————Forecast zone
29 Dec 2020Winter Storm—————Forecast zone
16 Apr 2020Winter Storm—————Forecast zone
23 Feb 2019Blizzard—————Forecast zone
16 Feb 2019Heavy Snow—————Forecast zone
16 Feb 2019Heavy Snow—————Forecast zone
22 Jan 2019Winter Storm—————Forecast zone
12 Jan 2019Winter Storm—————Forecast zone
1 Dec 2018Winter Storm—————Forecast zone
25 Nov 2018Winter Weather—————Forecast zone
11 Jan 2018Heavy Snow—————Forecast zone
1 Feb 2015Winter Storm—————Forecast zone
31 Jan 2015Winter Storm—————Forecast zone
4 Feb 2014Winter Weather—————Forecast zone
10 Mar 2013Winter Weather—————Forecast zone
21 Feb 2013Heavy Snow—————Forecast zone
29 Jan 2013Heavy Snow—————Forecast zone
20 Dec 2012Blizzard—————Forecast zone
4 Feb 2012Winter Storm—————Forecast zone
11 Jan 2012Winter Weather———1—Forecast zone
24 Feb 2011Winter Weather—————Forecast zone
1 Feb 2011Winter Storm—————Forecast zone
31 Jan 2011Winter Storm—————Forecast zone
22 Jan 2011Winter Storm—————Forecast zone
9 Jan 2011Winter Weather—————Forecast zone
11 Dec 2010Blizzard—————Forecast zone
24 Jan 2010Winter Weather—————Forecast zone
6 Jan 2010Winter Weather—————Forecast zone
6 Jan 2010Winter Storm—————Forecast zone
24 Dec 2009Blizzard—————Forecast zone
24 Dec 2009Winter Storm—————Forecast zone
8 Dec 2009Blizzard—————Forecast zone
7 Dec 2009Winter Storm—————Forecast zone
18 Dec 2008Winter Storm—————Forecast zone
10 Dec 2007Ice Storm—————Forecast zone
1 Dec 2007Ice Storm—————Forecast zone
2 Mar 2007Winter Weather—————Forecast zone
1 Mar 2007Blizzard—————Forecast zone
20 Jan 2007Heavy Snow—————Forecast zone
4 Jan 2005Winter Storm—————Forecast zone
5 Feb 2004Winter Storm—————Forecast zone
1 Feb 2004Winter Storm—————Forecast zone
25 Jan 2004Winter Storm—————Forecast zone
3 Jan 2004Winter Storm—————Forecast zone
9 Dec 2003Winter Storm—————Forecast zone
14 Feb 2003Winter Storm—————Forecast zone
15 Jan 2003Winter Storm—————Forecast zone
30 Jan 2002Winter Storm—————Forecast zone
23 Feb 2001Winter Storm—————Forecast zone
8 Feb 2001Winter Storm—————Forecast zone
17 Dec 2000Winter Storm—————Forecast zone
16 Dec 2000Winter Storm—————Forecast zone
10 Dec 2000Winter Storm—————Forecast zone
8 Mar 1999Winter Storm—————Forecast zone
22 Feb 1999Winter Storm—————Forecast zone
7 Mar 1998Winter Storm—————Forecast zone
25 Oct 1997Heavy Snow—$1.0M$150K——Forecast zone
11 Apr 1997Winter Storm—————Forecast zone
26 Feb 1997Winter Storm—————Forecast zone
14 Nov 1996Winter Storm—————Forecast zone
24 Mar 1996Blizzard—————Forecast zone

Questions and answers

How many winter events has Mills County had?

66 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 Mills County?

19 Feb 2026 (Winter Storm). Records reach NCEI about 120 days after the month ends.

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

The heavy snow of 25 Oct 1997, with property damage estimated by NCEI at $1.0M and crop damage at $150K.

How does Mills County compare with Iowa for winter?

15.1 events per 100 square miles against 19.2 statewide; the county holds 66 of the state's 10,746 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.