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Tornado History

Fergus Tornado History

This county-level tornado history page focuses on Fergus, Montana. The records below identify 25 tornadoes from 1964 through 2005, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $4.2M, with 0 deaths and 3 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes25
Total Deaths0
Total Injuries3
Property Damage$4.2M
Avg Length2.3 mi
Avg Width38 yd

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Key Tornado Facts for Fergus, Montana

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

Average 0.6 tornadoes per year (0.0/yr in last decade)
June is the peak tornado month with 12 recorded events
Deadliest tornado: F2 in Fergus, Montana with 0 deaths
1999 was the most active year with 5 tornadoes
The 1990s had the most tornado activity (10 events)
Longest tornado: 10 miles in Fergus, Montana
Widest tornado: 200.0 yards in Fergus, Montana
Most tornadoes in one day: 3 on Aug 23, 1998

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 Fergus, Montana, June is the most active month with 12 tornadoes.

Annual Tornado Trend

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

5420

Summary: 1999 was the most active year with 5 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
F1
F2

Summary: F0 tornadoes are the most common in this group, with 17 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.

$4.0M$400K$40K$0

Summary: The highest reported property damage year in this group is 1999 with at least $4.0M in NOAA-listed property damage.

Historical Track Sketch

F2 August 14, 19991999F2 July 8, 20022002F2 June 8, 19761976F2 June 25, 19961996F2 July 20, 19641964F2 May 28, 19811981F1 August 23, 19981998F1 June 3, 19711971F0 August 23, 19981998F0 June 21, 19991999F0 June 8, 19881988F0 July 7, 19991999F0 August 19, 19751975F0 June 21, 19911991F0 August 23, 1998F0 August 14, 1999F0 June 30, 1999F0 July 8, 2000F0 August 5, 2002F0 June 28, 2002F0 April 25, 2003F0 June 5, 2004F0 June 17, 2005F0 June 25, 2005F0 June 28, 2005© 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
August 14, 1999F2Fergus, Montana5 mi100 yd03$4.0M
July 8, 2002F2Fergus, Montana10 mi200 yd00$100K
June 8, 1976F2Fergus, Montana0 mi33 yd00$25K
June 25, 1996F2Fergus, Montana2 mi30 yd00$25K
July 20, 1964F2Fergus, Montana2 mi33 yd00N/A
May 28, 1981F2Fergus, Montana1.5 mi100 yd00N/A
August 23, 1998F1Fergus, Montana3.5 mi10 yd00$35K
June 3, 1971F1Fergus, Montana2.3 mi30 yd00$2K
August 23, 1998F0Fergus, Montana0.3 mi7 yd00$4K
June 21, 1999F0Fergus, Montana0.2 mi10 yd00$3K
June 8, 1988F0Fergus, Montana0.2 mi10 yd00$2K
July 7, 1999F0Fergus, Montana0.2 mi20 yd00$2K

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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.