NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Gregory, 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
6 tropical systems have passed within 75 miles of Gregory, Michigan since 1851, 0 of them at hurricane strength; the most recent was Ike in 2008. Since 1950, 82 tornadoes have touched down within 25 miles, 6 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 6
- Tornadoes
- 82
- EF3 or stronger
- 6
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
8 deaths in all
What the records show for Gregory
None of the 6 tropical systems was at hurricane strength as it passed Gregory; the strongest was an unnamed storm in 1900, a tropical storm with 63 mph winds when its centre passed 66 miles away. The record near Gregory begins with an unnamed storm in 1892; the most recent system was Ike in 2008, a tropical storm 28 miles away. Of the 6 systems, one has come since 2000. Gregory has more tropical storms and hurricanes within 75 miles than 76% of the 546 Michigan cities on this site. The strongest of the 82 tornadoes within 25 miles was an F4 on July 4, 1957; its path came within 18 miles. The deadliest, an EF2 on August 24, 2023, killed 2 people. Of the 82, 7 had paths within 5 miles of the city centre, and 22 have come since 2000. May and June have had the most tornadoes, 17 each. The most recent tornado was on May 15, 2025. Gregory has more tornadoes within 25 miles than 75% of the 546 Michigan cities. Hail has been reported within 10 miles 61 times since 1983, with stones up to 2 inches (hen egg size). Gregory has more hail reports within 10 miles than 74% of the 546 Michigan cities.
Compare Gregory's storm record with another city →
Tropical storms and hurricanes near Gregory
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2008 | IkeSep 14 | 28 mi | Tropical storm (58 mph) | Category 4 |
| 1941 | Unnamed 1941 stormSep 25 | 65 mi | Tropical storm (49 mph) | Category 3 |
| 1932 | Unnamed 1932 stormSep 4 | 17 mi | Tropical storm (47 mph) | Category 1 |
| 1923 | Unnamed 1923 stormOct 19 | 39 mi | Tropical storm (40 mph) | Tropical storm |
| 1900 | Unnamed 1900 stormSep 11 | 66 mi | Tropical storm (63 mph) | Category 4 |
| 1892 | Unnamed 1892 stormSep 14 | 58 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 Gregory: 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 Gregory
By decade
- 2020s6
- 2010s6(1 EF3+)
- 2000s10
- 1990s11
- 1980s19(1 EF3+)
- 1970s16(1 EF3+)
- 1960s5
- 1950s9(3 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 4, 1957 | F4 | 18 mi | 29.9 mi | 0 / 6 |
| Jun 15, 1982 | F3 | 3 mi | 13 mi | 1 / 1 |
| May 11, 1974 | F3 | 4 mi | 0.9 mi | 1 / 0 |
| Jun 8, 1953 | F3 | 17 mi | 11.3 mi | 1 / 5 |
| Mar 15, 2012 | EF3 | 6 mi | 7.57 mi | 0 / 0 |
| Jun 8, 1953 | F3 | 21 mi | 9.1 mi | 0 / 11 |
| Aug 24, 2023 | EF2 | 14 mi | 12.02 mi | 2 / 4 |
| Oct 18, 2007 | EF2 | 17 mi | 19 mi | 2 / 1 |
| Aug 14, 1988 | F2 | 2 mi | 26.6 mi | 1 / 0 |
| Aug 24, 2007 | EF2 | 18 mi | 23.52 mi | 0 / 1 |
| Aug 21, 2003 | F2 | 13 mi | 4.7 mi | 0 / 2 |
| May 21, 2001 | F2 | 20 mi | 10.9 mi | 0 / 3 |
The strongest 12 of 82, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Gregory
The Storm Prediction Center has 61 hail reports within 10 miles of Gregory since 1983, made on 26 separate days. Of these, 43 were 1 inch across or larger, and one reached 2 inches. The largest, 2 inches (hen egg size), fell on May 27, 2015. The most recent report is from June 15, 2023. May has the most reports, 26.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Gregory
The nearest NOAA station with 1991–2020 climate normals is Chelsea, MI, 9 miles south of Gregory at 900 feet. July is the warmest, with an average high of 82°F and low of 61°F; January is the coolest, at 31°F and 16°F. May is the wettest at 3.8 inches of precipitation on average and February the driest at 2.0 inches; the year adds up to 34.6 inches over 78 days with at least a tenth of an inch. Highs reach 90°F on about 11 days a year, almost all from June to September. Lows fall below freezing on about 141 nights a year. Snowfall averages 32.9 inches a year, most of it in January. That 34.6 inches is more than at 76 of the 131 Michigan stations used on this site (58%). Pinckney, 6 miles east, has its own station (Howell Wwtp, MI): 32.9 inches a year, 1.7 less than here, and a July average high of 83°F against 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 31 | 16 | 2.4 | 6 | 10.9 |
| Feb | 34 | 17 | 2.0 | 5 | 8.6 |
| Mar | 44 | 25 | 2.2 | 6 | 4.7 |
| Apr | 58 | 37 | 3.0 | 7 | 0.9 |
| May | 70 | 48 | 3.8 | 8 | 0.0 |
| Jun | 79 | 57 | 3.6 | 8 | 0.0 |
| Jul | 82 | 61 | 3.5 | 7 | 0.0 |
| Aug | 80 | 59 | 3.6 | 7 | 0.0 |
| Sep | 74 | 51 | 2.7 | 6 | 0.0 |
| Oct | 61 | 40 | 3.1 | 7 | 0.0 |
| Nov | 47 | 31 | 2.6 | 7 | 1.8 |
| Dec | 36 | 23 | 2.1 | 6 | 6.0 |
| Year | 58 | 39 | 34.6 | 78 | 32.9 |
Averages for 1991–2020 at Chelsea, MI (900 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 Gregory
Since 1996, the National Weather Service has logged 133 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Gregory: 122 thunderstorm wind reports, 8 floods, 2 lightning strikes and 1 flash flood. They killed 0 people and injured 4, and the NWS estimated $9.5 million in property and crop damage. The strongest thunderstorm gust on record here was 90 mph, on May 29, 2011.
July 8, 2021: lightning strike 5 miles from the centre of Gregory — 4 injured.
NWS: “Four men were injured by a lightning strike as they worked in a field in Iosco Township. |The lightning struck a field along Weller Road in Gregory around 9 am EDT.”
June 25, 2021: flash flood 5 miles from the centre of Gregory — $7.5 million damage.
March 10, 2009: flood 10 miles from the centre of Gregory — $500,000 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
Livingston County, which includes Gregory, has been named in 9 federal disaster or emergency declarations since 1975, 4 of them major disasters (by incident: 2 biological emergencies, 2 floods, 2 snowstorms, 1 hurricane). The latest major disaster declaration was Severe Storms, Tornadoes, and Flooding, on February 8, 2024. FEMA's National Risk Index gives Livingston County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for tornadoes and strong wind; Relatively Moderate for inland flooding; Relatively Low for hail, lightning and heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $55.5 million a year, the 10th highest of 83 Michigan counties; of the hazards above, the largest share, $26.7 million (48%), 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 Gregory
- Pinckney, MI6 mi
- Stockbridge, MI7 mi
- Chelsea, MI9 mi
- Dexter, MI11 mi
- Munith, MI11 mi
- Grass Lake, MI13 mi
- Dansville, MI13 mi
- Whitmore Lake, MI14 mi
- Howell, MI15 mi
- Webberville, MI15 mi
- Pleasant Lake, MI15 mi
- Fowlerville, MI15 mi
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