County Hazards

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Winter in Grundy County, Missouri

53 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.

53 events · 0 deaths recorded · peak month January · county share of state 0.8%

Winter event locations in and around Grundy 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.

Grundy County, Missouri, has 53 winter events in the NCEI record since 1950, with at least one in 26 different years.

January is the busiest month, with 17 of the recorded events. The last 20 years account for 37 events against 16 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.8% of the 6,559 winter events recorded in Missouri; its 12.2 per 100 square miles compares with 9.5 statewide.

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 Missouri

MeasureGrundy CountyMissouriUS
Winter events since 1950536,559287,339
Per 100 square miles12.29.58.1
Per 10,000 residents54.510.68.7
Deaths recorded0582,509
Busiest monthJanuaryJanuaryJanuary

By year

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

Seasonality

Jan
17
Feb
15
Mar
3
Apr
1
May
1
Jun
0
Jul
0
Aug
0
Sep
0
Oct
0
Nov
3
Dec
13
Winter events in Grundy County by month of occurrence, all years.

Recorded events

All 53 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
24 Jan 2026Heavy Snow—————Forecast zone
28 Nov 2025Winter Storm—————Forecast zone
21 Jan 2023Heavy Snow—————Forecast zone
14 Jan 2022Winter Storm—————Forecast zone
29 Dec 2020Winter Storm—————Forecast zone
10 Jan 2020Winter Storm—————Forecast zone
7 Feb 2019Ice Storm—————Forecast zone
11 Jan 2019Winter Storm—————Forecast zone
25 Nov 2018Blizzard—————Forecast zone
27 Dec 2015Winter Storm—————Forecast zone
1 Feb 2015Heavy Snow—————Forecast zone
31 Jan 2015Heavy Snow—————Forecast zone
4 Feb 2014Heavy Snow—————Forecast zone
21 Dec 2013Heavy Snow—————Forecast zone
2 May 2013Winter Weather—————Forecast zone
25 Feb 2013Winter Storm—————Forecast zone
21 Feb 2013Winter Storm—————Forecast zone
30 Jan 2013Winter Weather—————Forecast zone
20 Dec 2012Winter Storm—————Forecast zone
13 Feb 2012Winter Weather—————Forecast zone
27 Jan 2012Winter Weather—————Forecast zone
11 Jan 2012Winter Weather—————Forecast zone
11 Jan 2012Winter Weather—————Forecast zone
24 Feb 2011Winter Storm—————Forecast zone
1 Feb 2011Blizzard—————Forecast zone
10 Jan 2011Winter Weather—————Forecast zone
21 Feb 2010Winter Storm—————Forecast zone
6 Jan 2010Winter Storm—————Forecast zone
24 Dec 2009Winter Storm—————Forecast zone
7 Dec 2009Blizzard—————Forecast zone
28 Mar 2009Winter Storm—————Forecast zone
18 Dec 2008Ice Storm—————Forecast zone
16 Feb 2008Winter Storm—————Forecast zone
5 Feb 2008Heavy Snow—————Forecast zone
22 Dec 2007Winter Storm—————Forecast zone
10 Dec 2007Ice Storm—$5K———Forecast zone
1 Dec 2007Ice Storm—————Forecast zone
29 Nov 2006Ice Storm—————Forecast zone
20 Jan 2006Winter Weather—————Forecast zone
4 Jan 2005Ice Storm—————Forecast zone
5 Feb 2004Winter Storm—————Forecast zone
10 Dec 2003Winter Storm—————Forecast zone
2 Mar 2002Winter Storm—————Forecast zone
30 Jan 2002Heavy Snow—————Forecast zone
15 Mar 2001Heavy Snow—————Forecast zone
27 Feb 2001Heavy Snow—————Forecast zone
9 Feb 2001Winter Storm—————Forecast zone
28 Jan 2001Winter Storm—————Forecast zone
11 Dec 2000Winter Storm—————Forecast zone
5 Dec 1999Heavy Snow—————Forecast zone
4 Jan 1998Ice Storm—————Forecast zone
10 Apr 1997Heavy Snow—$3.0M——2Forecast zone
21 Feb 1997Winter Storm—————Forecast zone

Questions and answers

How many winter events has Grundy County had?

53 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 Grundy County?

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

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

The heavy snow of 10 Apr 1997, with property damage estimated by NCEI at $3.0M.

How does Grundy County compare with Missouri for winter?

12.2 events per 100 square miles against 9.5 statewide; the county holds 53 of the state's 6,559 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.