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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Garner, IA

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 Garner, Iowa since records began in 1851. Since 1950, 106 tornadoes have touched down within 25 miles, 7 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
0

below hurricane strength

Tornadoes
106

within 25 mi, since 1950

EF3 or stronger
7

6 deaths in all

What the records show for Garner

The strongest of the 106 tornadoes within 25 miles was an F5 on October 14, 1966; its path came within 13 miles, and it killed 6 people. Of the 106, 5 had paths within 5 miles of the city centre, and 35 have come since 2000. June has had the most tornadoes, 41. The most recent tornado was on August 17, 2025. Of the 241 Iowa cities on this site, 78% have more tornadoes within 25 miles than Garner. Hail has been reported within 10 miles 58 times since 1974, with stones up to 3 inches (tea cup size). Of the 241 Iowa cities, 82% have more hail reports within 10 miles than Garner.

Compare Garner's storm record with another city →

Tornadoes within 25 miles of Garner

By decade

  • 2020s10
  • 2010s12(1 EF3+)
  • 2000s13
  • 1990s28(1 EF3+)
  • 1980s17
  • 1970s10
  • 1960s11(3 EF3+)
  • 1950s5(2 EF3+)
Strongest tornadoes near Garner, Iowa
DateRatingDistancePathKilled / injured
Oct 14, 1966F513 mi9.7 mi6 / 172
Aug 29, 1964F423 mi15.8 mi0 / 2
May 10, 1953F45 mi26.6 mi0 / 3
Jun 12, 2013EF316 mi6.2 mi0 / 0
Jun 18, 1994F3in town6 mi0 / 0
Apr 30, 1967F310 mi7.7 mi0 / 0
Mar 21, 1953F324 mi31.8 mi0 / 0
Dec 15, 2021EF213 mi16.69 mi0 / 0
Jun 12, 2013EF220 mi5.2 mi0 / 0
Aug 9, 1999F221 mi11.5 mi0 / 0
Jun 27, 1998F217 mi12.5 mi0 / 0
Jun 27, 1998F212 mi7.5 mi0 / 0

The strongest 12 of 106, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Garner

The Storm Prediction Center has 58 hail reports within 10 miles of Garner since 1974, made on 37 separate days. Of these, 40 were 1 inch across or larger, and 4 reached 2 inches. The largest, 3 inches (tea cup size), fell on August 28, 2018. The most recent report is from April 28, 2025. April has the most reports, 14.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Garner

The nearest NOAA station with 1991–2020 climate normals is Britt 3E, IA, 7 miles west of Garner at 1,220 feet. July is the warmest, with an average high of 82°F and low of 62°F; January is the coolest, at 24°F and 6°F. June is the wettest at 5.4 inches of precipitation on average and January the driest at 0.8 inches; the year adds up to 34.3 inches over 65 days with at least a tenth of an inch. Highs reach 90°F on about 8 days a year, almost all from June to August. Lows fall below freezing on about 160 nights a year. That 34.3 inches is more than at 27 of the 124 Iowa stations used on this site (22%). Clear Lake, 12 miles east, has its own station (Mason City Municipal Airport, IA): 36.4 inches a year, 2.1 more than here, and a July average high of 83°F against 82°F.

Monthly climate normals 1991–2020 at Britt 3E, IA
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"
Jan2460.83
Feb28101.53
Mar41232.15
Apr57343.97
May69484.59
Jun79585.48
Jul82624.27
Aug80593.66
Sep73503.26
Oct60372.65
Nov43251.43
Dec30131.14
Year553634.365

Averages for 1991–2020 at Britt 3E, IA (1,220 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.

Iowa weather by month, station by station →

Floods, thunderstorm wind and lightning near Garner

Since 1996, the National Weather Service has logged 87 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Garner: 63 thunderstorm wind reports and 24 heavy rain events. None is recorded as killing or injuring anyone; the NWS estimated $1.3 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on May 23, 2007.

  • June 16, 2014: thunderstorm wind 4 miles from the centre of Garner — $150,000 damage.

    NWS: “Machine shed completely destroyed. Damage to power lines and trees.”

  • July 10, 2017: thunderstorm wind 6 miles from the centre of Garner — $150,000 damage.

    NWS: “Storm chaser video depicted extensive wind damage and likely wind driven hail damage in the town of Klemme. Damage included numerous car, home, and business windows broken and trees downed on homes.”

  • July 10, 2017: thunderstorm wind 6 miles from the centre of Garner — $125,000 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

Hancock County, which includes Garner, has been named in 15 federal disaster or emergency declarations since 1991, 12 of them major disasters (by incident: 5 floods, 5 severe storms, 2 biological emergencies, 1 hurricane). The latest major disaster declaration was Severe Storms, Tornadoes, and Flooding, on May 24, 2024. FEMA's National Risk Index gives Hancock County a Very Low rating for natural hazard risk overall; by hazard: Relatively Low for tornadoes, hail and strong wind; Very Low for inland flooding, lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $11.2 million a year, the 64th highest of 99 Iowa counties; of the hazards above, the largest share, $3.1 million (27%), 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 Garner