Tornadoes, hail, floods and severe storms recorded here between 1953 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 30 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
May 15, 1968 · Chickasaw, Iowa
July 12, 1971 · Chickasaw, Iowa
May 20, 1953 · Chickasaw, Iowa
August 24, 2016 · Chickasaw, Iowa
One person drowned when a vehicle was swept off the road by flood waters from the Little Turkey River. This occurred north of Lawler where Union Avenue crosses the river. The driver called 911 at 340 a.m.
June 29, 2026 · Chickasaw, Iowa
A period of extreme heat moved into the region during the end of June with widespread heat indices over 100 degrees. On June 29th, heat indices ranged from 110 to 116 degrees across the county during the afternoon and early evening. The highest heat index observed in the county w…
April 14, 2026 · Chickasaw, Iowa
Local fire and rescue in Alta Vista reported golf ball sized hail.
March 15, 2026 · Chickasaw, Iowa
During the evening hours on March 15th through the early morning hours on March 16th, the combination of falling snow and strong wind gusts of 30 to 40 mph resulted in visibilities falling below 1/4-mile in Chickasaw County for several hours resulting in blizzard conditions. Snow…
March 13, 2026 · Chickasaw, Iowa
Sustained winds of 30 to 40 mph were common across Chickasaw County during the morning hours on March 13th with gusts to around 65 mph at times. The highest observed gust in the county was 2 miles north of Ionia where a 67 mph gust was measured.
February 19, 2026 · Chickasaw, Iowa
This snow band brought heavy snow to Chickasaw County with snowfall totals ranging from 10 to 16 inches across the county. The highest reported snowfall total was 1 mile east of Fredericksburg where 16 inches was measured.
January 22, 2026 · Chickasaw, Iowa
Beginning late on January 22nd and into the morning hours of January 23rd, a period of extreme cold moved into the region bringing dangerously cold wind chills. In Chickasaw County, wind chills ranged from around 35 to 45 degrees below zero with the coldest observed wind chill in…
January 21, 2026 · Chickasaw, Iowa
The combination of strong winds of 35 to 45 mph and accumulating snow resulted in a period of blowing snow across Chickasaw County that reduced visibilities to under 1/2 mile at times. Additionally, snowfall accumulations of 2 to 3 inches were observed throughout the county on Ja…
December 28, 2025 · Chickasaw, Iowa
The combination of falling snow and wind gusts of 45 to 55 mph led to a period of very low visibilities during the afternoon and evening hours on December 28th in Chickasaw County. During this period, a peak wind gust of 53 mph was observed at New Hampton. Snowfall totals across …
November 28, 2025 · Chickasaw, Iowa
This significant winter storm brought between 8 and 12 inches of snow to Chickasaw County between November 28th and the 30th. The highest snowfall report in the county was located in New Hampton where 11.3 inches of snow was observed.
August 18, 2025 · Chickasaw, Iowa
A trained spotter reported water flowing over the road at the intersection of 165th St and Kenwood Ave near Devon Woods.
August 18, 2025 · Chickasaw, Iowa
The public reported water over gravel road 165th street. Picture received on social media.
August 18, 2025 · Chickasaw, Iowa
Heavy rain during the middle of August allowed the Little Cedar River at Ionia to rise into flood stage during the afternoon on August 18th. The site crested at 12.06 ft in minor flood stage during the evening on August 18th before falling below flood stage during the early morni…
August 18, 2025 · Chickasaw, Iowa
Heavy rain during the middle of August allowed the Little Cedar River at Nashua to rise into flood stage during the evening on August 18th. The site crested at 956.33 ft in minor flood stage during the early morning hours on August 19th before falling below flood stage during the…
March 19, 2025 · Chickasaw, Iowa
This winter system brought near-blizzard conditions and snow to Chickasaw County on March 19th. Snowfall totals between 1 to 3 inches across the county with the highest reported total being 2 inches in near New Hampton. Additionally, a peak wind gust of 45 mph was observed at an …
March 5, 2025 · Chickasaw, Iowa
The combination of snow and strong winds allowed for visibilities to drop to a quarter mile or less resulting in blizzard conditions during the morning hours on March 5th in portions of Chickasaw County. At the Iowa Department of Transportation observation station near New Hampto…
February 17, 2025 · Chickasaw, Iowa
Minimum wind chills across Chickasaw County ranged between 30 to 40 degrees on the morning of February 18th. The coldest reported wind chill in the county of 37 degrees below zero in New Hampton, Iowa.
January 20, 2025 · Chickasaw, Iowa
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Chickasaw County where values dropped between 25 to 40 degrees below zero. The coldest observed wind chill in the county of 39 degrees below zero was recorded in New Hampton, I…
December 4, 2024 · Chickasaw, Iowa
Sustained winds of 35 to 40 mph persisted across portions of Chickasaw County during the late morning through early evening hours on December 4th. Additionally, a 58 mph peak non-thunderstorm wind gust was observed at an Iowa Department of Transportation weather observation stati…
October 15, 2024 · Chickasaw, Iowa
Throughout the entirety of September and through October 29th, only 0.2 to 1 inches of precipitation fell in Chickasaw County. This 5 to 7 inch deficit for this period resulted in the development of severe drought by mid-October. Severe drought conditions ended in the county by O…
August 26, 2024 · Chickasaw, Iowa
Anomalously warm air temperatures and high humidity allowed the heat index to reach 108 degrees at an Iowa Department of Transportation surface observation station near New Hampton on August 26th.
August 5, 2024 · Chickasaw, Iowa
The public reported a large tree limb broken two miles southeast of New Hampton.
July 4, 2024 · Chickasaw, Iowa
Emergency management reported numerous trees and limbs down in Fredericksburg. This damaged power lines and a few homes.
June 23, 2024 · Chickasaw, Iowa
Significant rainfall later into June pushed the Little Cedar River at Nashua into flood stage on June 24th. The river stage crested during the early morning on June 25th in major flood stage at 959.94 ft.
June 4, 2024 · Chickasaw, Iowa
A mesonet station measured a peak wind gust from the south-southwest at 68 mph.
June 4, 2024 · Chickasaw, Iowa
Trees were blown down 1 mile north of Bassett.
May 1, 2024 · Chickasaw, Iowa
Above normal total monthly precipitation near 10 inches resulted in reduction of severe (D2) drought to moderate (D1) through May.
April 1, 2024 · Chickasaw, Iowa
Sightly above monthly normal rainfall totals alleviated extreme (D3) drought across all but southern Chickasaw County through April, while severe (D2) drought persisted elsewhere across the county.
March 1, 2024 · Chickasaw, Iowa
While total monthly precipitation of 2 to 2.5 was near normal for Chickasaw County through March, long-standing abnormally dry conditions resulted in extreme (D3) drought persisting across nearly all of the county.
February 1, 2024 · Chickasaw, Iowa
Total liquid precipitation up to 0.5 fell in Chickasaw County through February, near 1 below normal, resulting in extreme (D3) drought persisting.
January 15, 2024 · Chickasaw, Iowa
An automated weather observation station reported a wind chill of 33 degrees below zero in New Hampton.
January 13, 2024 · Chickasaw, Iowa
An automated weather observation station reported a wind chill of 40 degrees below zero in New Hampton.
January 12, 2024 · Chickasaw, Iowa
A volunteer observer reported 7.6 of snowfall in New Hampton.
January 8, 2024 · Chickasaw, Iowa
A volunteer observer reported 5.7 in Fredericksburg.
January 1, 2024 · Chickasaw, Iowa
Extreme (D3) drought persisted across Chickasaw County through January. While 1 to 1.5 of monthly total liquid precipitation was slightly above normal, the long-standing abnormally dry conditions, 8 to 12 below normal since June 1st, 2023, resulted in extreme (D3) drought persist…
December 1, 2023 · Chickasaw, Iowa
Extreme (D3) drought persisted across all of Chickasaw County through December. Monthly total rainfall of less than 1 was up to 1 below normal, exacerbating the long standing deficit of more than 10 since June 1st.
November 25, 2023 · Chickasaw, Iowa
A volunteer observer reported 0.3 inches of snowfall near New Hampton.
November 1, 2023 · Chickasaw, Iowa
Extreme (D3) drought persisted across all of Chickasaw County through November. The combination of total monthly precipitation near 0.25 inches, 2 inches below normal, and several days of anomalously warm temperatures resulted in 30 to 50% below normal topsoil moisture.
October 1, 2023 · Chickasaw, Iowa
Long-standing drier than normal conditions, comprised of 8 consecutive weeks of at least severe drought (D2), resulted in continual extreme drought (D3) across Chickasaw County through October. Several storms provided monthly rainfall totals near 2 inches, up to an inch below nor…
September 1, 2023 · Chickasaw, Iowa
Ongoing extreme drought (D3) persisted through Chickasaw County, worsening to exceptional drought (D4) in the northeast part of the county by mid-September. By September 11th, less than a quarter of an inch of rain had fallen across Chickasaw County, which was more than 1.25 inch…
August 22, 2023 · Chickasaw, Iowa
The combination of anomalously high temperatures and humidity resulted in maximum heat indices of 108 degrees on Tuesday, August 22nd and 118 degrees on Wednesday, August 23rd in New Hampton.
August 1, 2023 · Chickasaw, Iowa
Drier than normal conditions resulted in extreme drought (D3) for all of Chickasaw County through August. During the first half of August, a 1 to 2 inches of rain fell, initially preventing any spread of severe drought (D2) conditions. Only a tenth to half an inch of rain fell du…
July 22, 2023 · Chickasaw, Iowa
Public reported ping-pong ball sized hail near New Hampton.
July 1, 2023 · Chickasaw, Iowa
Drier than normal conditions resulted in severe drought conditions for 241 square miles across southern Chickasaw County persisting into the middle of July. Increased rainfall of 1.40 to 4.64 inches according to volunteer observers resulted in some drought improvement across Chic…
June 20, 2023 · Chickasaw, Iowa
Drier than normal conditions resulted in severe drought conditions for 164 square miles or 33% of Chickasaw County through the end of June.
May 16, 2023 · Chickasaw, Iowa
Significant runoff from heavy rainfall upstream resulted in a rapid rise of water and minor flooding along the Little Cedar River near Nashua on May 16th. Minor flooding was initially realized during the early morning of May 16th, with the river cresting 0.94 feet above flood sta…
May 15, 2023 · Chickasaw, Iowa
Significant runoff from heavy rainfall upstream resulted in rapid rises and minor flooding along the Little Cedar River near Ionia on May 16th. Minor flooding was initially realized late on May 15th, with the river cresting 0.68 feet above flood stage of 10.0 feet during the earl…