NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Blackduck, MN
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
No tropical storm or hurricane has passed within 75 miles of Blackduck, Minnesota since records began in 1851. Since 1950, 32 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 32
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Blackduck
The highest rating among the 32 tornadoes within 25 miles is F1 or EF1, reached 12 times; the most recent, on July 26, 2021, came within 24 miles. Of the 32, 2 had paths within 5 miles of the city centre, and 23 have come since 2000. July has had the most tornadoes, 18. The most recent tornado was on July 19, 2023. Of the 341 Minnesota cities on this site, 88% have more tornadoes within 25 miles than Blackduck. Hail has been reported within 10 miles 44 times since 1982, with stones up to 3 inches (tea cup size). Of the 341 Minnesota cities, 89% have more hail reports within 10 miles than Blackduck.
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Tornadoes within 25 miles of Blackduck
By decade
- 2020s4
- 2010s8
- 2000s11
- 1990s3
- 1980s2
- 1970s3
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 26, 2021 | EF1 | 16 mi | 4.06 mi | 0 / 0 |
| Jul 26, 2021 | EF1 | 24 mi | 0.83 mi | 0 / 0 |
| Jul 11, 2018 | EF1 | 21 mi | 5 mi | 0 / 0 |
| Jul 4, 2018 | EF1 | 23 mi | 0.7 mi | 0 / 0 |
| Jul 21, 2017 | EF1 | 15 mi | 2.81 mi | 0 / 0 |
| Jul 19, 2016 | EF1 | 14 mi | 4 mi | 0 / 0 |
| Jun 23, 2005 | F1 | 2 mi | 2 mi | 0 / 0 |
| Aug 2, 1981 | F1 | 24 mi | 0.5 mi | 0 / 0 |
| Aug 2, 1981 | F1 | 15 mi | 5.7 mi | 0 / 0 |
| Aug 17, 1978 | F1 | 6 mi | 13.5 mi | 0 / 0 |
| Jun 27, 1977 | F1 | 24 mi | 0.1 mi | 0 / 0 |
| Apr 27, 1974 | F1 | 10 mi | 14.3 mi | 0 / 0 |
The strongest 12 of 32, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Blackduck
The Storm Prediction Center has 44 hail reports within 10 miles of Blackduck since 1982, made on 29 separate days. Of these, 29 were 1 inch across or larger, and 2 reached 2 inches. The largest, 3 inches (tea cup size), fell on June 27, 1997. The most recent report is from August 3, 2024. July has the most reports, 16.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Blackduck
The nearest NOAA station with 1991–2020 climate normals is Cass Lake, MN, 24 miles south of Blackduck at 1,296 feet. July is the warmest, with an average high of 79°F and low of 58°F; January is the coolest, at 18°F and -4°F. June is the wettest at 4.1 inches of precipitation on average and February the driest at 0.7 inches; the year adds up to 26.5 inches over 58 days with at least a tenth of an inch. Highs reach 90°F on about 4 days a year, almost all from July to August. Lows fall below freezing on about 187 nights a year. Snowfall averages 48.9 inches a year, most of it in December. That 26.5 inches is more than at 18 of the 124 Minnesota stations used on this site (15%). Red Lake, 30 miles west, has its own station (Red Lake Indian Agcy, MN): 22.8 inches a year, 3.7 less than here, and a July average high of 77°F against 79°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 18 | -4 | 0.8 | 3 | 9.1 |
| Feb | 24 | 0 | 0.7 | 3 | 9.3 |
| Mar | 37 | 15 | 1.2 | 3 | 6.2 |
| Apr | 51 | 29 | 2.0 | 5 | 5.6 |
| May | 65 | 42 | 2.9 | 7 | 0.0 |
| Jun | 75 | 53 | 4.1 | 8 | 0.0 |
| Jul | 79 | 58 | 3.7 | 7 | 0.0 |
| Aug | 77 | 56 | 3.1 | 6 | 0.0 |
| Sep | 68 | 47 | 2.9 | 6 | 0.0 |
| Oct | 52 | 34 | 2.8 | 6 | 1.4 |
| Nov | 36 | 20 | 1.3 | 4 | 5.8 |
| Dec | 23 | 6 | 1.0 | 3 | 11.5 |
| Year | 50 | 30 | 26.5 | 58 | 48.9 |
Averages for 1991–2020 at Cass Lake, MN (1,296 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Blackduck
Since 1996, the National Weather Service has logged 26 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Blackduck: 25 thunderstorm wind reports and 1 flash flood. They killed 2 people and injured 0, and the NWS estimated $22,000 in property and crop damage. The strongest thunderstorm gust on record here was 86 mph, on June 29, 2018.
July 14, 2009: thunderstorm wind 4 miles from the centre of Blackduck — 2 killed, $5,000 damage.
NWS: “A boat with four occupants aboard overturned on Blackduck Lake, due to a combination of factors. The lake was rough at the time, but weather was not the main issue.”
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Beltrami County, which includes Blackduck, has been named in 21 federal disaster or emergency declarations since 1966, 18 of them major disasters (by incident: 10 floods, 7 severe storms, 2 biological emergencies, 1 drought). The latest major disaster declaration was Severe Storms, Straight-Line Winds, and Flooding, on July 13, 2022. FEMA's National Risk Index gives Beltrami County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for strong wind; Relatively Low for tornadoes, hail, inland flooding, lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $20.1 million a year, the 30th highest of 87 Minnesota counties; of the hazards above, the largest share, $13.5 million (67%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Blackduck
- Bemidji, MN22 mi
- Cass Lake, MN24 mi
- Red Lake, MN30 mi
- Laporte, MN35 mi
- Deer River, MN40 mi
- Walker, MN43 mi
- Bagley, MN46 mi
- Cohasset, MN52 mi
- Nevis, MN54 mi
- Fosston, MN57 mi
- Park Rapids, MN57 mi
- Grand Rapids, MN57 mi
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