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Tornado History

Sheridan Tornado History

This county-level tornado history page focuses on Sheridan, Montana. The records below identify 9 tornadoes from 1988 through 2018, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $300K, with 2 deaths and 1 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes9
Total Deaths2
Total Injuries1
Property Damage$300K
Avg Length57.9 mi
Avg Width136 yd

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Key Tornado Facts for Sheridan, Montana

Top local patterns from the historical tornado records in this group.

Average 0.3 tornadoes per year (0.3/yr in last decade)
July is the peak tornado month with 7 recorded events
Deadliest tornado: EF3 in Sheridan, Montana with 2 deaths
2004 was the most active year with 3 tornadoes
The 2010s had the most tornado activity (4 events)
Longest tornado: 300 miles in Sheridan, Montana
Widest tornado: 880.0 yards in Sheridan, Montana
Most tornadoes in one day: 3 on Jul 14, 2004

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In Sheridan, Montana, July is the most active month with 7 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

3210

Summary: 2004 was the most active year with 3 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
EF1
EF3

Summary: F0 tornadoes are the most common in this group, with 5 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$300K$30K$3K$0

Summary: The highest reported property damage year in this group is 2010 with at least $300K in NOAA-listed property damage.

Historical Track Sketch

EF3 July 26, 20102010EF1 July 9, 20182018F0 July 5, 19881988F0 May 25, 19911991F0 July 14, 20042004F0 July 14, 20042004F0 July 14, 20042004EF0 May 9, 20162016EF0 July 29, 20172017© OpenStreetMap contributors

Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
July 26, 2010EF3Sheridan, Montana18 mi880 yd21$300K
July 9, 2018EF1Sheridan, Montana2.1 mi250 yd00N/A
July 5, 1988F0Sheridan, Montana0.2 mi10 yd00N/A
May 25, 1991F0Sheridan, Montana0.2 mi10 yd00N/A
July 14, 2004F0Sheridan, Montana300 mi10 yd00N/A
July 14, 2004F0Sheridan, Montana100 mi10 yd00N/A
July 14, 2004F0Sheridan, Montana100 mi10 yd00N/A
May 9, 2016EF0Sheridan, Montana0.46 mi30 yd00N/A
July 29, 2017EF0Sheridan, Montana0.13 mi10 yd00N/A

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.