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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Sheldon, 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 Sheldon, Iowa since records began in 1851. Since 1950, 142 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
142

within 25 mi, since 1950

EF3 or stronger
7

1 deaths in all

What the records show for Sheldon

The strongest of the 142 tornadoes within 25 miles was an EF4 on June 25, 2010; its path came within 15 miles. The deadliest, an F2 on April 26, 1986, killed 1 person. Of the 142, 15 had paths within 5 miles of the city centre, and 78 have come since 2000. June has had the most tornadoes, 50. The most recent tornado was on July 28, 2025. Sheldon has more tornadoes within 25 miles than 67% of the 241 Iowa cities on this site. Hail has been reported within 10 miles 119 times since 1968, with stones up to 4 inches (softball size). Sheldon has more hail reports within 10 miles than 69% of the 241 Iowa cities.

Compare Sheldon's storm record with another city →

Tornadoes within 25 miles of Sheldon

By decade

  • 2020s15
  • 2010s30(1 EF3+)
  • 2000s33
  • 1990s18(1 EF3+)
  • 1980s14
  • 1970s12(3 EF3+)
  • 1960s13(2 EF3+)
  • 1950s7
Strongest tornadoes near Sheldon, Iowa
DateRatingDistancePathKilled / injured
Jun 25, 2010EF415 mi13.65 mi0 / 13
Aug 7, 1994F317 mi4.5 mi0 / 1
Oct 1, 1971F322 mi11.2 mi0 / 0
May 31, 1971F319 mi8.6 mi0 / 0
May 31, 1971F35 mi46.5 mi0 / 0
Sep 22, 1968F310 mi4.7 mi0 / 0
May 5, 1964F315 mi67 mi0 / 7
Apr 26, 1986F217 mi18.5 mi1 / 4
Aug 18, 2017EF213 mi5.14 mi0 / 0
Jun 11, 2008EF220 mi5.73 mi0 / 0
May 1, 2008EF222 mi12.95 mi0 / 0
Jun 11, 2004F224 mi5.5 mi0 / 0

The strongest 12 of 142, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Sheldon

The Storm Prediction Center has 119 hail reports within 10 miles of Sheldon since 1968, made on 61 separate days. Of these, 62 were 1 inch across or larger, and 8 reached 2 inches. The largest, 4 inches (softball size), fell on July 9, 2009. The most recent report is from September 16, 2025. July has the most reports, 33.

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

Weather by month in Sheldon

The nearest NOAA station with 1991–2020 climate normals is Sheldon, IA, in Sheldon at 1,420 feet. July is the warmest, with an average high of 83°F and low of 60°F; January is the coolest, at 25°F and 5°F. June is the wettest at 4.7 inches of precipitation on average and January the driest at 0.9 inches; the year adds up to 31.1 inches over 60 days with at least a tenth of an inch. Highs reach 90°F on about 12 days a year, almost all from June to September. Lows fall below freezing on about 171 nights a year. Snowfall averages 40.8 inches a year, most of it in December. That 31.1 inches is more than at 11 of the 124 Iowa stations used on this site (9%). Hull, 15 miles west, has its own station (Sioux Ctr 2 SE, IA): 30.0 inches a year, 1.1 less than here, and a July average high of 85°F against 83°F.

Monthly climate normals 1991–2020 at Sheldon, IA
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow in
Jan2550.938.7
Feb3091.037.2
Mar43211.946.6
Apr57323.273.3
May69464.080.2
Jun79574.780.0
Jul83603.660.0
Aug80583.360.0
Sep74483.450.0
Oct61352.440.5
Nov44221.534.7
Dec30111.239.6
Year563431.16040.8

Averages for 1991–2020 at Sheldon, IA (1,420 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 Sheldon

Since 1996, the National Weather Service has logged 133 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Sheldon: 81 thunderstorm wind reports, 32 floods, 16 flash floods, 3 heavy rain events and 1 lightning strike. They killed 1 person and injured 0, and the NWS estimated $10.7 million in property and crop damage. The strongest thunderstorm gust on record here was 96 mph, on June 22, 2015. Of the 240 Iowa cities on this site with a flash flood on record, 145 have had fewer than Sheldon.

  • July 24, 2005: thunderstorm wind 5 miles from the centre of Sheldon — 1 killed, $50,000 damage.

    NWS: “Thunderstorm winds flipped over a camper, twisted swing sets, blew down power poles, and caused widespread tree damage. Several trees were blown down, including one which fell on a tent, killing a participant in a bicycle ride across Iowa.”

  • June 1, 2019: flood 5 miles from the centre of Sheldon — $3.6 million damage.

    NWS: “During crop planting season, prolonged flooding led to the loss of or inability to plant crops across the area. Crop loss estimates provided by the United States Department of Agriculture.”

  • March 13, 2019: flood 5 miles from the centre of Sheldon — $2.6 million damage.

    NWS: “Flooding resulted in extensive damage to public infrastructure including numerous county and township roads, culverts, and some bridges.”

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

O'Brien County, which includes Sheldon, has been named in 15 federal disaster or emergency declarations since 1965, 12 of them major disasters (by incident: 6 severe storms, 4 floods, 2 biological emergencies, 1 hurricane). The latest major disaster declaration was Severe Storms, Flooding, Straight-Line Winds, and Tornadoes, on June 24, 2024. FEMA's National Risk Index gives O'Brien County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for hail; Relatively Low for tornadoes 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 $11.1 million a year, the 66th highest of 99 Iowa counties; of the hazards above, the largest share, $3.9 million (35%), 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 Sheldon