NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Onsted, MI
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
5 tropical systems have passed within 75 miles of Onsted, Michigan since 1851, 0 of them at hurricane strength; the most recent was Ike in 2008. Since 1950, 81 tornadoes have touched down within 25 miles, 6 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 5
- Tornadoes
- 81
- EF3 or stronger
- 6
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
48 deaths in all
What the records show for Onsted
None of the 5 tropical systems was at hurricane strength as it passed Onsted; the strongest was Ike in 2008, a tropical storm with 58 mph winds when its centre passed 7 miles away. The record near Onsted begins with an unnamed storm in 1892; the most recent system was Ike in 2008. Of the 5 systems, one has come since 2000. Onsted has more tropical storms and hurricanes within 75 miles than 48% of the 546 Michigan cities on this site. The highest rating among the 81 tornadoes within 25 miles is F4, reached 2 times; the most recent, on April 11, 1965, came within 6 miles. Of the 81, 9 had paths within 5 miles of the city centre, and 14 have come since 2000. June has had the most tornadoes, 23. The most recent tornado was on March 30, 2025. Onsted has more tornadoes within 25 miles than 73% of the 546 Michigan cities. Hail has been reported within 10 miles 40 times since 1962, with stones up to 1.75 inches (golf ball size). Onsted has more hail reports within 10 miles than 57% of the 546 Michigan cities.
Compare Onsted's storm record with another city →
Tropical storms and hurricanes near Onsted
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2008 | IkeSep 14 | 7 mi | Tropical storm (58 mph) | Category 4 |
| 1932 | Unnamed 1932 stormSep 4 | 36 mi | Tropical storm (47 mph) | Category 1 |
| 1923 | Unnamed 1923 stormOct 19 | 52 mi | Tropical storm (40 mph) | Tropical storm |
| 1902 | Unnamed 1902 stormJun 29 | 71 mi | Tropical storm (40 mph) | Category 1 |
| 1892 | Unnamed 1892 stormSep 13 | 55 mi | Tropical storm (58 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Onsted: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Onsted
By decade
- 2020s4
- 2010s6
- 2000s4
- 1990s9(1 EF3+)
- 1980s18(1 EF3+)
- 1970s20
- 1960s14(3 EF3+)
- 1950s6(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 11, 1965 | F4 | 6 mi | 90.3 mi | 23 / 294 |
| Apr 11, 1965 | F4 | 5 mi | 80.5 mi | 21 / 293 |
| Jun 15, 1982 | F3 | 25 mi | 13 mi | 1 / 1 |
| Jun 8, 1953 | F3 | 15 mi | 11.3 mi | 1 / 5 |
| Mar 27, 1991 | F3 | 25 mi | 5 mi | 0 / 0 |
| Aug 22, 1964 | F3 | 1 mi | 0.1 mi | 0 / 2 |
| Apr 3, 1974 | F2 | 12 mi | 19.3 mi | 2 / 31 |
| Jun 6, 2010 | EF2 | 21 mi | 13.01 mi | 0 / 11 |
| Jun 2, 1990 | F2 | 21 mi | 15 mi | 0 / 0 |
| Sep 25, 1984 | F2 | 14 mi | 2.1 mi | 0 / 2 |
| May 1, 1983 | F2 | 11 mi | 2 mi | 0 / 0 |
| May 1, 1983 | F2 | 5 mi | 5.9 mi | 0 / 0 |
The strongest 12 of 81, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Onsted
The Storm Prediction Center has 40 hail reports within 10 miles of Onsted since 1962, made on 31 separate days. Of these, 19 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 4 days, most recently July 26, 2007. The most recent report is from June 15, 2023. May has the most reports, 13.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Onsted
The nearest NOAA station with 1991–2020 climate normals is Adrian 2 NNE, MI, 11 miles southeast of Onsted at 760 feet. July is the warmest, with an average high of 85°F and low of 60°F; January is the coolest, at 33°F and 17°F. June is the wettest at 4.1 inches of precipitation on average and February the driest at 2.0 inches; the year adds up to 36.7 inches over 77 days with at least a tenth of an inch. Highs reach 90°F on about 14 days a year, almost all from June to September. Lows fall below freezing on about 142 nights a year. Snowfall averages 26.0 inches a year, most of it in January. That 36.7 inches is more than at 103 of the 131 Michigan stations used on this site (79%). Tipton, 4 miles east, has its own station (Manchester, MI): 33.8 inches a year, 2.9 less than here, and a July average high of 83°F against 85°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 33 | 17 | 2.2 | 6 | 9.0 |
| Feb | 36 | 18 | 2.0 | 5 | 5.8 |
| Mar | 47 | 26 | 2.5 | 6 | 4.1 |
| Apr | 60 | 36 | 3.5 | 8 | 1.0 |
| May | 72 | 47 | 4.0 | 9 | 0.0 |
| Jun | 81 | 57 | 4.1 | 7 | 0.0 |
| Jul | 85 | 60 | 3.4 | 6 | 0.0 |
| Aug | 83 | 59 | 3.6 | 6 | 0.0 |
| Sep | 76 | 51 | 3.3 | 6 | 0.0 |
| Oct | 63 | 40 | 3.0 | 6 | 0.0 |
| Nov | 49 | 31 | 2.8 | 6 | 1.3 |
| Dec | 38 | 23 | 2.3 | 6 | 4.8 |
| Year | 60 | 39 | 36.7 | 77 | 26.0 |
Averages for 1991–2020 at Adrian 2 NNE, MI (760 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 Onsted
Since 1996, the National Weather Service has logged 99 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Onsted: 97 thunderstorm wind reports and 2 flash floods. They killed 0 people and injured 3, and the NWS estimated $985,000 in property and crop damage. The strongest thunderstorm gust on record here was 86 mph, on August 16, 1997.
June 5, 2005: thunderstorm wind 10 miles from the centre of Onsted — 2 injured, $10,000 damage.
July 21, 1998: thunderstorm wind 10 miles from the centre of Onsted — 1 injured, $65,000 damage.
August 12, 2021: thunderstorm wind 8 miles from the centre of Onsted — $200,000 damage.
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
Lenawee County, which includes Onsted, has been named in 6 federal disaster or emergency declarations since 1965, 2 of them major disasters (by incident: 2 biological emergencies, 2 snowstorms, 1 hurricane, 1 tornado). The latest major disaster declaration was Covid-19 Pandemic, on March 27, 2020. FEMA's National Risk Index gives Lenawee County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for strong wind; Relatively Moderate for tornadoes, hail and lightning; Relatively Low for inland flooding and heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $30.4 million a year, the 21st highest of 83 Michigan counties; of the hazards above, the largest share, $14.8 million (49%), 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.