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Windsor, CO Tornado History — 160 Tornadoes Since 1950

Colorado · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Windsor, CO had?

Windsor has had 160 tornadoes on record within 25 miles since 1950, including 3 strong to violent (EF3+) tornadoes.

When was the most recent tornado near Windsor?

The most recent tornado within 25 miles of Windsor was an Unrated on June 20, 2024.

When is tornado season in Windsor?

May is historically the peak month for tornadoes near Windsor, with 49 on record. April through June account for 101 of the 160 tornadoes on record near Windsor.

At a Glance

Tornadoes Since 1950
160
Within search radius
Violent (EF3+)
3
1.9% of total
Peak Month
May
49 on record
Per Year Avg
2.1
Across 76 years

Recent Tornado Activity Near Windsor

The last 20 years of confirmed tornadoes within 25 miles — 31 total, averaging 1.6 per year over this window.

2026 0+1 prelim
2025 0
2024 1
2023 1
2022 0
2021 1
2020 6
2019 1
2018 0
2017 0
2016 2
2015 2
2014 1
2013 2
2012 1
2011 0
2010 3
2009 4
2008 2
2007 4

Striped bars mark preliminary reports not yet confirmed by NWS survey — excluded from the confirmed counts.

Preliminary tornado reports near Windsor since December 29, 2025

This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is not counted in the confirmed totals above.

Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.

Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.

Preliminary May 29, 2026
3 NNE New Windsor Reser, Weld County, CO
(BOU)

Within 25 miles of Windsor. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.

Tornadoes by Decade

1950s 18
1960s 8
1970s 21
1980s 35
1990s 39
2000s 18
2010s 12
2020s 9

Tornadoes by Enhanced Fujita Rating

F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.

EF0 86
EF1 58
EF2 11
EF3 3
Unrated 2

Tornadoes by Month

Jan 0
Feb 0
Mar 2
Apr 3
May 49
Jun 49
Jul 35
Aug 16
Sep 2
Oct 4
Nov 0
Dec 0

Casualties on Record Near Windsor

1 fatality has been recorded within 25 miles of Windsor since 1950, across 1 event. 86 injuries have been reported across all events. 2008 was the deadliest year on record near Windsor.

The deadliest single event was an EF3 on May 22, 2008, which caused 1 fatality along a 38.7-mile track.

Notable Tornadoes Near Windsor

Deadliest Tornado
EF3 on May 22, 2008 — 1 fatality, 38.7 mi path, 1,760 yd wide.
Costliest Tornado
EF3 on May 22, 2008 — $147.0M in reported property damage.
Widest Tornado
EF3 on May 22, 2008 — 1,760 yards wide.
Longest Path
EF3 on May 22, 2008 — 38.7 mile track.
Most Recent
Unrated on June 20, 2024.

What the record shows near Windsor

The 1990s were the busiest decade near Windsor, with 39 of the 160 confirmed tornadoes within 25 miles; the 2020s have produced 9 so far. The Windsor record runs from the 1950s to today.

Of the tornadoes rated near Windsor, 144 reached EF0 or EF1 and 14 reached EF2 or stronger. The most intense on record near Windsor is rated EF3, of which 3 are logged. A further 2 near Windsor are unrated — events NOAA logged before a damage survey assigned a scale.

Across the last 20 years Windsor has averaged 1.6 confirmed tornadoes a year within 25 miles, 31 in total. 2020 was the busiest of them with 6, and 6 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Windsor, CO had?
Since 1950, 160 tornadoes have been recorded within 25 miles of Windsor. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Windsor?
The deadliest tornado on record within 25 miles of Windsor was an EF3 on May 22, 2008, which caused 1 fatality.
When is tornado season in Windsor?
May is historically the peak month for tornadoes near Windsor, with 49 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near Windsor?
The most recent tornado within 25 miles of Windsor was an Unrated on June 20, 2024.
How do I get tornado warnings for Windsor?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

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