NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Chisholm, 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 Chisholm, Minnesota since records began in 1851. Since 1950, 13 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 13
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
1 deaths in all
What the records show for Chisholm
The strongest of the 13 tornadoes within 25 miles was an F3 on August 6, 1969; its path came within 7 miles. The deadliest, an F1 on July 1, 1958, killed 1 person. Of the 13, one had a path within 5 miles of the city centre, and 3 have come since 2000. June and July have had the most tornadoes, 4 each. The most recent tornado was on June 19, 2016. Of the 341 Minnesota cities on this site, 94% have more tornadoes within 25 miles than Chisholm. Hail has been reported within 10 miles 54 times since 1974, with stones up to 2.5 inches (tennis ball size). Of the 341 Minnesota cities, 78% have more hail reports within 10 miles than Chisholm.
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Tornadoes within 25 miles of Chisholm
By decade
- 2010s2
- 2000s1
- 1990s2
- 1970s5
- 1960s1(1 EF3+)
- 1950s2
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Aug 6, 1969 | F3 | 7 mi | 10 mi | 0 / 9 |
| Jun 7, 1977 | F2 | 25 mi | 0.5 mi | 0 / 0 |
| Sep 6, 1959 | F2 | 13 mi | 30.3 mi | 0 / 0 |
| Jul 1, 1958 | F1 | 12 mi | 2 mi | 1 / 2 |
| Jun 19, 2016 | EF1 | 18 mi | 7.23 mi | 0 / 0 |
| Aug 8, 2015 | EF1 | 24 mi | 1.58 mi | 0 / 0 |
| Jul 19, 1978 | F1 | 21 mi | 1 mi | 0 / 0 |
| Aug 25, 1974 | F1 | 15 mi | 34.7 mi | 0 / 0 |
| Jun 19, 1971 | F1 | 8 mi | 1 mi | 0 / 0 |
| Jul 14, 2003 | F0 | 5 mi | 5 mi | 0 / 0 |
| Jul 12, 1995 | F0 | 24 mi | 0.2 mi | 0 / 0 |
| Sep 16, 1992 | F0 | 18 mi | 0.1 mi | 0 / 0 |
The strongest 12 of 13, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Chisholm
The Storm Prediction Center has 54 hail reports within 10 miles of Chisholm since 1974, made on 32 separate days. Of these, 33 were 1 inch across or larger, and 9 reached 2 inches. The largest size, 2.5 inches (tennis ball size), was reported on 2 days, most recently June 12, 2024. The most recent report is from June 20, 2025. June has the most reports, 22.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Chisholm
The nearest NOAA station with 1991–2020 climate normals is Hibbing Chisholm Hibbing Airport, MN, 9 miles south of Chisholm at 1,352 feet. July is the warmest, with an average high of 77°F and low of 50°F; January is the coolest, at 17°F and -4°F. June is the wettest at 4.4 inches of precipitation on average and January and February the driest at 0.5 inches; the year adds up to 24.9 inches over 55 days with at least a tenth of an inch. Highs reach 90°F on about 2 days a year, almost all from July. Lows fall below freezing on about 205 nights a year. That 24.9 inches is more than at 10 of the 124 Minnesota stations used on this site (8%). Mountain Iron, 10 miles east, has its own station (Eveleth Wwtp, MN): 27.8 inches a year, 2.9 more than here, and the same July average high, 77°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 17 | -4 | 0.5 | 2 |
| Feb | 23 | -1 | 0.5 | 2 |
| Mar | 35 | 12 | 0.9 | 3 |
| Apr | 50 | 25 | 1.6 | 4 |
| May | 63 | 36 | 2.8 | 7 |
| Jun | 72 | 46 | 4.4 | 9 |
| Jul | 77 | 50 | 3.9 | 7 |
| Aug | 75 | 48 | 3.1 | 6 |
| Sep | 66 | 40 | 3.1 | 6 |
| Oct | 51 | 30 | 2.4 | 5 |
| Nov | 34 | 17 | 1.1 | 3 |
| Dec | 21 | 3 | 0.6 | 2 |
| Year | 49 | 25 | 24.9 | 55 |
Averages for 1991–2020 at Hibbing Chisholm Hibbing Airport, MN (1,352 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 Chisholm
Since 1996, the National Weather Service has logged 49 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Chisholm: 35 thunderstorm wind reports, 12 flash floods, 1 flood and 1 lightning strike. They killed 0 people and injured 1, and the NWS estimated $83,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on July 4, 1999. June has had the most flash floods, 10 of 12. Of the 312 Minnesota cities on this site with a flash flood on record, 240 have had fewer than Chisholm.
July 27, 2025: thunderstorm wind 4 miles from the centre of Chisholm — 1 injured.
NWS: “A tree fell at a campground on Stubler Lake landing on a tent and injuring a 7 year old boy.”
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
St. Louis County, which includes Chisholm, has been named in 17 federal disaster or emergency declarations since 1970, 13 of them major disasters (by incident: 9 floods, 3 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 St. Louis County a Relatively Moderate rating for natural hazard risk overall; by hazard: Very High for lightning; Relatively Moderate for hail, inland flooding, strong wind and heat waves; Relatively Low for tornadoes; Very Low for coastal flooding. It models the county's expected loss from all 18 hazards it covers at $112.4 million a year, the 5th highest of 87 Minnesota counties; of the hazards above, the largest share, $49.8 million (44%), 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 Chisholm
- Hibbing, MN7 mi
- Mountain Iron, MN10 mi
- Nashwauk, MN15 mi
- Virginia, MN16 mi
- Eveleth, MN18 mi
- Gilbert, MN22 mi
- Bovey, MN26 mi
- Aurora, MN30 mi
- Grand Rapids, MN36 mi
- Hoyt Lakes, MN38 mi
- Cohasset, MN41 mi
- Saginaw, MN46 mi
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