NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Cass Lake, 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 Cass Lake, Minnesota since records began in 1851. Since 1950, 23 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 23
- 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 Cass Lake
The highest rating among the 23 tornadoes within 25 miles is F1 or EF1, reached 9 times; the most recent, on July 4, 2018, came within 16 miles. Of the 23, one had a path within 5 miles of the city centre, and 16 have come since 2000. June has had the most tornadoes, 8. The most recent tornado was on July 19, 2023. Of the 341 Minnesota cities on this site, 91% have more tornadoes within 25 miles than Cass Lake. Hail has been reported within 10 miles 29 times since 1964, with stones up to 2.75 inches (baseball size). Of the 341 Minnesota cities, 97% have more hail reports within 10 miles than Cass Lake.
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Tornadoes within 25 miles of Cass Lake
By decade
- 2020s2
- 2010s8
- 2000s6
- 1990s1
- 1980s2
- 1970s2
- 1960s2
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 4, 2018 | EF1 | 16 mi | 0.7 mi | 0 / 0 |
| Jun 10, 2017 | EF1 | 14 mi | 0.6 mi | 0 / 0 |
| Jun 6, 2008 | EF1 | 22 mi | 2.42 mi | 0 / 0 |
| Jun 23, 2005 | F1 | 23 mi | 2 mi | 0 / 0 |
| Aug 18, 1982 | F1 | 17 mi | 0.3 mi | 0 / 0 |
| Aug 2, 1981 | F1 | 6 mi | 0.5 mi | 0 / 0 |
| Jun 27, 1977 | F1 | 2 mi | 0.1 mi | 0 / 0 |
| Jul 22, 1976 | F1 | 17 mi | 4.5 mi | 0 / 1 |
| Jul 26, 1969 | F1 | 17 mi | 0.5 mi | 0 / 0 |
| Jul 26, 2021 | EF0 | 22 mi | 8.53 mi | 0 / 0 |
| Aug 3, 2017 | EF0 | 14 mi | 0.1 mi | 0 / 0 |
| Aug 3, 2017 | EF0 | 16 mi | 0.2 mi | 0 / 0 |
The strongest 12 of 23, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Cass Lake
The Storm Prediction Center has 29 hail reports within 10 miles of Cass Lake since 1964, made on 20 separate days. Of these, 18 were 1 inch across or larger, and 5 reached 2 inches. The largest size, 2.75 inches (baseball size), was reported on 2 days, most recently July 26, 2021. The most recent report is from July 28, 2021. June has the most reports, 10.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Cass Lake
The nearest NOAA station with 1991–2020 climate normals is Cass Lake, MN, 2 miles northwest of Cass Lake 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%). Walker, 19 miles south, has its own station (Walker, MN): 28.1 inches a year, 1.6 more than here, and the same July average high, 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 Cass Lake
Since 1996, the National Weather Service has logged 30 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Cass Lake: 30 thunderstorm wind reports. None is recorded as killing or injuring anyone; the NWS estimated $81,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on May 18, 2012.
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
Cass County, which includes Cass Lake, has been named in 14 federal disaster or emergency declarations since 1965, 11 of them major disasters (by incident: 5 floods, 5 severe storms, 2 biological emergencies, 1 drought). The latest major disaster declaration was Severe Storms and Flooding, on June 28, 2024. FEMA's National Risk Index gives Cass County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for strong wind; Relatively Low for tornadoes, inland flooding, lightning and heat waves; Very Low for hail. It models the county's expected loss from all 18 hazards it covers at $13.9 million a year, the 45th highest of 87 Minnesota counties; of the hazards above, the largest share, $7.9 million (56%), 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 Cass Lake
- Laporte, MN14 mi
- Bemidji, MN16 mi
- Walker, MN19 mi
- Blackduck, MN24 mi
- Nevis, MN30 mi
- Deer River, MN35 mi
- Park Rapids, MN36 mi
- Backus, MN38 mi
- Bagley, MN39 mi
- Red Lake, MN43 mi
- Cohasset, MN44 mi
- Pine River, MN46 mi
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