NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Granton, WI
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
1 tropical system has passed within 75 miles of Granton, Wisconsin since 1851, 0 of them at hurricane strength; the most recent was Cristobal in 2020. Since 1950, 47 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 1
- Tornadoes
- 47
- EF3 or stronger
- 3
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
5 deaths in all
What the records show for Granton
None of the 1 tropical systems was at hurricane strength as it passed Granton; the strongest was Cristobal in 2020, a tropical storm with 39 mph winds when its centre passed 39 miles away. Granton is tied for the most tropical storms and hurricanes within 75 miles among the 416 Wisconsin cities on this site. The highest rating among the 47 tornadoes within 25 miles is F4, reached 2 times; the most recent, on August 31, 1977, came within 23 miles. The deadliest, an F4 on June 4, 1958, killed 4 people. Of the 47, none had a path within 5 miles of the city centre, and 26 have come since 2000. May has had the most tornadoes, 13. The most recent tornado was on May 15, 2025. Of the 416 Wisconsin cities, 83% have more tornadoes within 25 miles than Granton. Hail has been reported within 10 miles 35 times since 1957, with stones up to 3 inches (tea cup size). Of the 416 Wisconsin cities, 75% have more hail reports within 10 miles than Granton.
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Tropical storms and hurricanes near Granton
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2020 | CristobalJun 10 | 39 mi | Tropical storm (39 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Granton: 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 Granton
By decade
- 2020s17
- 2010s5
- 2000s4
- 1990s2
- 1980s5
- 1970s2(1 EF3+)
- 1960s8
- 1950s4(2 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 4, 1958 | F4 | 21 mi | 59.2 mi | 4 / 3 |
| Aug 31, 1977 | F4 | 23 mi | 31.8 mi | 0 / 10 |
| May 26, 1959 | F3 | 22 mi | 34.3 mi | 0 / 2 |
| Jun 25, 1950 | F2 | 19 mi | 7.8 mi | 1 / 0 |
| May 15, 2025 | EF2 | 21 mi | 4.63 mi | 0 / 0 |
| Dec 15, 2021 | EF2 | 7 mi | 1.13 mi | 0 / 0 |
| Dec 15, 2021 | EF2 | 14 mi | 2.8 mi | 0 / 0 |
| Dec 15, 2021 | EF2 | 16 mi | 3.13 mi | 0 / 0 |
| Aug 23, 2011 | EF2 | 9 mi | 7.61 mi | 0 / 2 |
| Aug 12, 1985 | F2 | 14 mi | 10 mi | 0 / 14 |
| Jul 3, 1983 | F2 | 20 mi | 12 mi | 0 / 0 |
| Dec 1, 1970 | F2 | 22 mi | 2 mi | 0 / 0 |
The strongest 12 of 47, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Granton
The Storm Prediction Center has 35 hail reports within 10 miles of Granton since 1957, made on 26 separate days. Of these, 16 were 1 inch across or larger, and 4 reached 2 inches. The largest, 3 inches (tea cup size), fell on October 24, 2023. The most recent report is from April 28, 2025. April has the most reports, 10.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Granton
The nearest NOAA station with 1991–2020 climate normals is Neillsville 3ESE, WI, 5 miles west of Granton at 1,080 feet. July is the warmest, with an average high of 80°F and low of 58°F; January is the coolest, at 24°F and 5°F. June is the wettest at 5.3 inches of precipitation on average and January and February the driest at 1.1 inches; the year adds up to 35.6 inches over 70 days with at least a tenth of an inch. Highs reach 90°F on about 5 days a year, almost all from June to August. Lows fall below freezing on about 177 nights a year. Snowfall averages 43.6 inches a year, most of it in December. That 35.6 inches is more than at 107 of the 165 Wisconsin stations used on this site (65%). Loyal, 14 miles north, has its own station (Owen 1E, WI): 34.4 inches a year, 1.2 less than here, and a July average high of 79°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 24 | 5 | 1.1 | 4 | 9.1 |
| Feb | 29 | 8 | 1.1 | 3 | 9.4 |
| Mar | 41 | 20 | 1.7 | 5 | 7.7 |
| Apr | 55 | 32 | 3.3 | 7 | 2.7 |
| May | 68 | 44 | 4.5 | 9 | 0.0 |
| Jun | 77 | 54 | 5.3 | 9 | 0.0 |
| Jul | 80 | 58 | 3.9 | 6 | 0.0 |
| Aug | 78 | 56 | 4.4 | 7 | 0.0 |
| Sep | 71 | 47 | 4.0 | 7 | 0.0 |
| Oct | 58 | 36 | 3.1 | 6 | 0.4 |
| Nov | 42 | 24 | 1.8 | 4 | 3.4 |
| Dec | 29 | 13 | 1.4 | 4 | 10.9 |
| Year | 54 | 33 | 35.6 | 70 | 43.6 |
Averages for 1991–2020 at Neillsville 3ESE, WI (1,080 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 Granton
Since 1996, the National Weather Service has logged 54 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Granton: 37 thunderstorm wind reports, 6 heavy rain events, 5 flash floods, 5 floods and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $618,000 in property and crop damage. The strongest thunderstorm gust on record here was 70 mph, on July 1, 1997. July has had the most flash floods, 2 of 5. Of the 374 Wisconsin cities on this site with a flash flood on record, 168 have had fewer than Granton.
July 15, 2022: flash flood 7 miles from the centre of Granton — $128,000 damage.
NWS: “Runoff from heavy rains pushed some creeks out of their banks. S.”
June 10, 2026: thunderstorm wind 7 miles from the centre of Granton — $120,000 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
Clark County, which includes Granton, has been named in 15 federal disaster or emergency declarations since 1973, 12 of them major disasters (by incident: 5 floods, 5 severe storms, 2 biological emergencies, 1 drought). The latest major disaster declaration was Covid-19 Pandemic, on April 4, 2020. FEMA's National Risk Index gives Clark County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for tornadoes, hail, strong wind and lightning; Relatively Low for inland flooding and heat waves. It models the county's expected loss from all 18 hazards it covers at $17.7 million a year, the 48th highest of 72 Wisconsin counties; of the hazards above, the largest share, $8.1 million (46%), 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 Granton
- Neillsville, WI8 mi
- Loyal, WI14 mi
- Pittsville, WI15 mi
- Marshfield, WI15 mi
- Spencer, WI15 mi
- Greenwood, WI17 mi
- Arpin, WI20 mi
- Auburndale, WI23 mi
- Colby, WI25 mi
- Stratford, WI25 mi
- Black River Falls, WI26 mi
- Owen, WI27 mi
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