| June 1994 | Hail | Sioux Rapids | $50,000 | no account filed |
| June 2013 | Thunderstorm Wind | Sioux Rapids | $10,000 | Thunderstorm winds caused tree damage, including several trees blown down. The winds also caused roof damage to homes. |
| May 1998 | Lightning | Sioux Rapids | $10,000 | no account filed |
| July 1996 | Thunderstorm Wind | Sioux Rapids | $10,000 | no account filed |
| May 1994 | Hail | Sioux Rapids | $5,000 | no account filed |
| June 1994 | Hail | Sioux Rapids | $5,000 | no account filed |
| July 2024 | Flood | Sioux Rapids | - | Flooding continued from June on the Little Sioux River at Linn Grove, with declining river levels. The river fell below flood stage on the afternoon of July 2nd. |
| June 2024 | Flood | Sioux Rapids | - | The Little Sioux River at Linn Grove rose above flood stage the morning of June 21st, cresting around 11.97 feet above flood stage (29.97 feet) on June 23rd. This crest is in the Major Stage and broke the previous record. The river stayed above flood stage into July. For a more comprehensive description of flood damage, please see other entries for Buena Vista County. |
| June 2019 | Flood | Sioux Rapids | - | A continuation of flooding from May, the Little Sioux River at Linn Grove (gage site LNNI4) began the month at 1.50 feet above flood stage. Significant amounts of agricultural land remained flooded, and further impeded spring planting. |
| May 2019 | Flood | Sioux Rapids | - | This is a continuation of flooding from April. The Little Sioux River at Linn Grove (gage site LNNI4) hovered near flood stage with an early month crest at 0.24 feet above flood stage on May 12, before falling below flood stage on May 16. Late month rains pushed the river back over flood stage on May 24, reaching a crest in moderate flood stage of 1.63 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month. |
| March 2019 | Flood | Sioux Rapids | - | Snow melt and heavy rainfall (measured 1.27 inches at Spencer and 1.04 inches 4 miles east of Sioux Rapids) resulted in significant flooding of agricultural land. The Little Sioux River at Linn Grove (gage site LNNI4) reached the highest stage on record for the fourth time in nine months, cresting 6.13 feet above flood stage on March 16. The river remained in minor flood stage at the end of the month. |
| April 2019 | Flood | Sioux Rapids | - | Runoff from occasional precipitation in early April returned significant flooding of agricultural lands. The Little Sioux River at Linn Grove (gage site LNNI4) crested twice during the period. The first crest was 0.77 feet above flood stage on April 14. After a brief period below flood stage from April 23-29, a second crest occurred on April 30 at 0.17 feet above flood stage. The river remained in minor flood stage at the end of the month. |
| March 2018 | Flood | Sioux Rapids | - | Snow melt runoff on top of already high river levels produced minor flooding of lowland agricultural areas along middle portions of the Little Sioux River. River levels reached 0.4 feet above flood stage near Linn Grove (gage site LNNI4) by the end of the month. |
| April 2018 | Flood | Sioux Rapids | - | A continuation of flooding from March 2018, the river crested at minor flood level at Linn Grove (gage site LNNI4) 0.6 feet above flood stage on April 1. |
| April 2018 | Flood | Sioux Rapids | - | Flooding returned to the Little Sioux River in mid-April, and was generally minor with impacts limited to near river agricultural areas. Periodic rain and snow brought 1 to 3 inches of liquid equivalent in the week prior to a return to flood stage at Linn Grove (gage site LNNI4) on April 17. The river crested in moderate flood stage (1.5 feet above flood stage) on April 26, inundating a large amount of pasture and crop land along the flood plain as well as the city park in Sioux Rapids. The river remained in moderate flood stage at the end of the month. |
| July 2018 | Thunderstorm Wind | Sioux Rapids | - | Strong thunderstorm outflow knocked down power lines were and damaged numerous trees. Information was gleaned from social media. |
| March 2018 | Flood | Sioux Rapids | - | Runoff from snow melt along with periods of rainfall through mid March caused minor flooding of lowland agricultural areas along portions of the Little Sioux River. The river reached a crest of 0.9 feet above flood stage near Linn Grove (gage site LNNI4) on March 20. |
| July 2018 | Flood | Sioux Rapids | - | Significant amounts of crop and pasture land were severely impacted by major flooding as river levels climbed to 3.9 feet above flood stage at Linn Grove (gage site LNNI4) on July 1. |
| May 2018 | Flood | Sioux Rapids | - | Minor flooding of the Little Sioux River continued from April, impacting near-river agricultural areas. However, rainfall was relentless over the first two weeks of May, totaling a widespread 3 to 5 inches in the upper Little Sioux Basin, including 5.01 inches at Lake Park, 4.85 inches 4 miles northwest of Milford, 4.69 inches in Spirit Lake, 3.95 inches near Everly and 3.20 inches at Spencer. There were multiple crests at Linn Grove (gage site LNNI4) during the following three weeks, with the highest crest reaching moderate flooding (1.7 feet above flood stage) on May 15, inundating a large amount of pasture and crop land along the flood plain as well as the city park in Sioux Rapids. The river dropped below flood stage on May 26. |
| September 2018 | Flood | Sioux Rapids | - | Rainfall throughout the Little Sioux Basin during the period of September 18-21 totaled generally 4 to 8 inches, resulting in record flooding. Significant crop and pasture land was flooded, and city and county parks along the reach of the river were severely inundated. The Little Sioux River at Linn Grove (gage site LNNI4) crested at 5.9 feet above flood stage on September 22, the second record crest of the year. The river remained in minor flood at the end of the month. |
| October 2018 | Flood | Sioux Rapids | - | Minor flooding of agricultural land occurred as well as inundation of the city park in Sioux Rapids as the Little Sioux River at Linn Grove (gage site LNNI4) crested 1.0 feet above flood stage on October 14. |
| June 2018 | Flood | Sioux Rapids | - | A week of prolific rainfall ending June 26 resulted in a widespread 4 to 7 inches of rainfall, much of which occurred on June 20 and 24. Specific weekly totals included 3.65 4 miles east of Sioux Rapids, 4.03 at Spencer and 6.70 near Everly. Record flooding occurred with significant amounts of crop and pasture land inundated, as well as the city park in Sioux Rapids as the river crested at Linn Grove (gage site LNNI4) at 5.4 feet above flood stage on June 27. The river remained in major flood stage at the end of the month. |
| October 2018 | Flood | Sioux Rapids | - | A continuation of flooding from September, river levels on the Little Sioux River at Linn Grove (gage site LNNI4) continued to fall in early October. Impacts were limited to minor agricultural flooding. |
| April 2016 | Thunderstorm Wind | Sioux Rapids | - | Thunderstorm winds caused minor tree damage. |
| June 2014 | Thunderstorm Wind | Sioux Rapids | - | Thunderstorm winds caused widespread tree damage, including numerous trees blown down. |
| April 2013 | Heavy Rain | Sioux Rapids | - | Rainfall of 2.79 inches was measured. |
| April 2010 | Hail | Sioux Rapids | - | Large hail covered the ground. |
| April 2010 | Hail | Sioux Rapids | - | Hail was accompanied by strong, but not damaging, winds. |
| April 2010 | Hail | Sioux Rapids | - | Hail covered the ground. |
| August 2008 | Hail | Sioux Rapids | - | Large hail covered the ground. |
| June 2008 | Flood | Sioux Rapids | - | Heavy rain caused continued minor flooding of farmland along the Little Sioux River. |
| August 2007 | Flood | Sioux Rapids | - | Heavy rainfall over several days, mainly upstream, caused minor flooding of the Little Sioux River. The river crested at 0.5 feet above flood stage at Linn Grove on August 29th.| |
| May 2007 | Flood | Sioux Rapids | - | Heavy rain caused flooding along the Little Sioux River. The river peaked at 1.6 feet above flood stage at Linn Grove on May 10th. |
| April 2007 | Flood | Sioux Rapids | - | Heavy rain at the end of March led to minor flooding along the Little Sioux River. Some lowlands along the river were flooded but no significant damage was reported. |
| September 2005 | Hail | Sioux Rapids | - | Large hail covered the ground. |
| September 2019 | Hail | Sioux Rapids | - | no account filed |
| September 2019 | Hail | Sioux Rapids | - | no account filed |
| March 2017 | Thunderstorm Wind | Sioux Rapids | - | no account filed |
| April 2011 | Hail | Sioux Rapids | - | no account filed |
| April 2010 | Hail | Sioux Rapids | - | no account filed |
| April 2010 | Hail | Sioux Rapids | - | no account filed |
| March 2007 | Hail | Sioux Rapids | - | no account filed |
| May 2005 | Hail | Sioux Rapids | - | no account filed |
| May 2002 | Hail | Sioux Rapids | - | no account filed |
| May 2002 | Hail | Sioux Rapids | - | no account filed |
| May 2001 | Thunderstorm Wind | Sioux Rapids | - | no account filed |
| June 2001 | Hail | Sioux Rapids | - | no account filed |
| June 2001 | Hail | Sioux Rapids | - | no account filed |
| June 2001 | Hail | Sioux Rapids | - | no account filed |
| June 2001 | Hail | Sioux Rapids | - | no account filed |
| June 2001 | Hail | Sioux Rapids | - | no account filed |
| July 2000 | Hail | Sioux Rapids | - | no account filed |
| July 2000 | Hail | Sioux Rapids | - | no account filed |
| May 1998 | Thunderstorm Wind | Sioux Rapids | - | no account filed |
| July 1996 | Hail | Sioux Rapids | - | no account filed |
| September 1996 | Hail | Sioux Rapids | - | no account filed |