Tornado History
Montana Tornado History
This page summarizes tornado history for Montana. The local dataset contains 424 tornado records from 1952 through 2024, with a strongest listed rating of F3 (Severe damage) and at least $56.2M in reported property damage. The latest tornado record in this group is July 12, 2024. Across these records, NOAA lists 4 deaths and 29 injuries.
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Key Tornado Statistics
Key Tornado Facts for Montana
Top local patterns from the historical tornado records in this group.
Average 5.8 tornadoes per year (3.8/yr in last decade)
June is the peak tornado month with 155 recorded events
Deadliest tornado: EF3 in Montana with 2 deaths
1991 was the most active year with 30 tornadoes
The 1990s had the most tornado activity (113 events)
Longest tornado: 300 miles in Montana
Widest tornado: 1,320.0 yards in Montana
Most tornadoes in one day: 11 on Jul 5, 1988
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Montana, June is the most active month with 155 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1991 was the most active year with 30 recorded tornadoes.
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.
Summary: The highest reported property damage year in this group is 2010 with at least $30.6M in NOAA-listed property damage.
Tornado Count By County
Compares the counties with the most tornado records in this state dataset.
Summary: Valley County has the highest count in this state group with 41 tornado records.
Historical Track Sketch
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Montana.
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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.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| June 11, 2016 | EF3 | Fallon, Montana | 3 mi | 200 yd | 0 | 7 | $1.5M |
| July 26, 2010 | EF3 | Sheridan, Montana | 18 mi | 880 yd | 2 | 1 | $300K |
| July 19, 1952 | F3 | Wibaux, Montana | 9.1 mi | 33 yd | 1 | 2 | $250K |
| July 5, 1988 | F3 | Chouteau, Montana | 3 mi | 200 yd | 0 | 2 | $250K |
| July 5, 1988 | F3 | Chouteau, Montana | 12 mi | 200 yd | 0 | 0 | $25K |
| July 5, 1988 | F3 | Chouteau, Montana | 10 mi | 200 yd | 0 | 0 | $2K |
| June 17, 2014 | EF3 | Carter, Montana | 10 mi | 880 yd | 0 | 0 | N/A |
| June 20, 2010 | EF2 | Yellowstone, Montana | 0.69 mi | 120 yd | 0 | 0 | $30.0M |
| August 14, 1999 | F2 | Fergus, Montana | 5 mi | 100 yd | 0 | 3 | $4.0M |
| July 2, 1958 | F2 | Yellowstone, Montana | 0.5 mi | 50 yd | 0 | 2 | $2.5M |
| April 24, 1994 | F2 | Judith Basin, Montana | 1.5 mi | 100 yd | 0 | 0 | $500K |
| July 15, 2013 | EF2 | Roosevelt, Montana | 22.99 mi | 440 yd | 0 | 0 | $500K |
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Top County Pages
- Valley tornado history41
- Fergus tornado history27
- Yellowstone tornado history21
- Carter tornado history18
- Powder River tornado history18
- Roosevelt tornado history16
- Judith Basin tornado history16
- Dawson tornado history15
- Chouteau tornado history15
- Fallon tornado history14
- Phillips tornado history14
- Cascade tornado history12
- Beaverhead tornado history12
- Richland tornado history12
- Garfield tornado history12
- Daniels tornado history10
- Big Horn tornado history10
- Sheridan tornado history10
- Rosebud tornado history9
- Wibaux tornado history8
Top Location Pages
- Glasgow tornado history10
- Lewistown tornado history6
- Moore tornado history5
- Capitol tornado history5
- Glendive tornado history4
- Stanford tornado history4
- Baker tornado history4
- Jordan tornado history4
- Winnett tornado history4
- Denton tornado history3
- Broadus tornado history3
- Hobson tornado history3
- Bainville tornado history2
- Kirby tornado history2
- White Sulphur Spgs tornado history2
- Rock Spgs tornado history2
- Carlyle tornado history2
- Bozeman tornado history2
- Judith Gap tornado history2
- Dillon tornado history2
Source And Limits
Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.