Wallace County
Population 1,441 (2025) 914 sq mi
Wallace County has recorded 47 tornadoes since 1950, 50th most of 105 counties in Kansas; the most recent was on May 8, 2024.
Hazard fingerprint Each spoke is this county’s percentile among U.S. counties where that hazard occurs. How it is computed
- Tornado damage paths since 195047
- Wildfire burn scars since 19842
At a glance
The record for Wallace County in eight numbers. Each links to its section below.
Acres burned since 1984
2,409
54th of 105 in Kansas
2 large fires; the largest was Bradshaw, 2007
DetailsStrongest tornado
F3
July 20, 1958, 3.3 mile path
Federal disaster declarations
17
Most recent: Severe Storms, Straight-Line Winds, Tornadoes, and Flooding, 2026
DetailsSnowiest season
62.5in
Winter of 1979-80
Tornadoes
About one every 1.6 years since 1950, one of them rated F3/EF3 or stronger.
Strongest
July 20, 1958
F3, 3.3 mile path
700 yards wide.
Most recent
Wednesday, May 8, 2024
EFU, 0.1 mile path
2 years ago.
Every recorded tornado
| May 8, 2024 | EFU | 0.1 | 0 | 0 |
| Jul 10, 2023 | EFU | 0.0 | 0 | 0 |
| May 11, 2023 | EF0 | 6.6 | 0 | 0 |
| May 11, 2023 | EF1 | 1.2 | 0 | 0 |
| May 11, 2023 | EF0 | 3.2 | 0 | 0 |
| May 11, 2023 | EF0 | 8.5 | 0 | 0 |
| Apr 22, 2022 | EF1 | 3.0 | 0 | 0 |
| Oct 12, 2021 | EF0 | 3.3 | 0 | 0 |
| May 24, 2021 | EFU | 1.0 | 0 | 0 |
| May 24, 2021 | EFU | 0.6 | 0 | 0 |
| Jun 2, 2020 | EFU | 0.6 | 0 | 0 |
| Apr 28, 2019 | EFU | 1.9 | 0 | 0 |
| May 22, 2007 | EF0 | 2.5 | 0 | 0 |
| Apr 24, 2007 | EF0 | 0.5 | 0 | 0 |
| Apr 23, 2007 | EF0 | 5.0 | 0 | 0 |
| Apr 23, 2007 | EF1 | 12.0 | 0 | 0 |
| Mar 28, 2007 | EF0 | 0.5 | 0 | 0 |
| Mar 28, 2007 | EF1 | 8.0 | 0 | 0 |
| Mar 28, 2007 | EF0 | 6.0 | 0 | 0 |
| Mar 28, 2007 | EF0 | 0.5 | 0 | 0 |
| Jun 3, 2006 | F0 | 0.3 | 0 | 0 |
| May 7, 2006 | F0 | 0.6 | 0 | 0 |
| May 7, 2006 | F0 | 0.3 | 0 | 0 |
| Sep 5, 2005 | F0 | 1.0 | 0 | 0 |
| May 16, 2004 | F0 | 1.5 | 0 | 0 |
| May 27, 2001 | F0 | 0.2 | 0 | 0 |
| Oct 31, 2000 | F2 | 12.0 | 0 | 0 |
| Jun 21, 1996 | F1 | 0.3 | 0 | 0 |
| May 3, 1994 | F0 | 0.1 | 0 | 0 |
| Jun 2, 1993 | F0 | 0.2 | 0 | 0 |
| Jun 2, 1993 | F1 | 2.0 | 0 | 0 |
| Aug 10, 1992 | F0 | 3.1 | 0 | 0 |
| Jul 15, 1992 | F0 | 0.1 | 0 | 0 |
| Jul 15, 1992 | F0 | 0.1 | 0 | 0 |
| May 28, 1991 | F0 | 1.0 | 0 | 0 |
| May 15, 1991 | F0 | 1.0 | 0 | 0 |
| May 3, 1989 | F0 | 0.2 | 0 | 0 |
| May 31, 1984 | F0 | 1.0 | 0 | 0 |
| Sep 12, 1976 | F1 | 0.1 | 0 | 0 |
| Jul 6, 1972 | F1 | 0.2 | 0 | 0 |
| Jun 22, 1968 | F0 | 0.1 | 0 | 0 |
| Jun 7, 1966 | F0 | 0.1 | 0 | 0 |
| Jul 3, 1965 | F0 | 0.1 | 0 | 0 |
| Jun 4, 1965 | F0 | 0.1 | 0 | 0 |
| Jul 20, 1958 | F3 | 3.3 | 4 | 0 |
| Jun 12, 1955 | F0 | 0.1 | 0 | 0 |
| Jun 4, 1955 | F0 | 0.1 | 0 | 0 |
- Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Wallace County: 0.
- Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.
Storm Prediction Center severe weather database, 1950 to 2025.
Hurricanes and tropical storms
No tropical storm or hurricane has tracked within 100 miles since records began in 1851.
Wildfire and smoke
2,409 acres burned in 2 large fires since 1984, equal to 0.4% of the land.
Largest
November 7, 2007
Bradshaw Fire, 1,255 acres
1,255 acres inside Wallace County.
Most recent
November 7, 2007
Bradshaw Fire
1,255 acres in total.
Every large fire
| Bradshaw | 2007 | 1,255 | 1,255 |
| Unnamed | 2006 | 1,153 | 1,154 |
- Large fires mapped by the Monitoring Trends in Burn Severity program since 1984: 1,000 acres or more in the West, 500 or more in the East. Prescribed burns are excluded. Acres here are the part of each perimeter inside this place.
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service), 1984 to 2026.
Smoke overhead
Smokiest year
2021: 49 days
Heavy smoke on 22 days in 2020, the most of any year.
Last 10 years
18.8 days a year
Medium or heavy smoke, 2016 to 2025.
2025
14 days
Medium or heavy smoke. 22 so far in 2026.
- A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.
NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.
Floods and flood insurance
No federal flood insurance claims are recorded for this county.
Flood events since 1996
- Flash Flood17
- Flood4
- Heavy Rain1
OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.
Drought
In severe drought or worse for 135 of 1,581 months since 1895 (9%); the longest spell lasted 45 months.
135
Months in severe drought or worse since 1895
74
Months in extreme drought
9%
Share of all months, severe or worse
62
Drought reports to the Weather Service since 1996
Lowest reading
September 1956
−6.30, extreme drought
Longest severe spell
45 months
June 1934 to February 1938.
Latest month
September 2026
−1.85, mild drought
Last severe month: August 2026.
- The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.
NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.
Earthquakes
6 earthquakes of magnitude 2.5 or more within 50 miles since 1984; none reached magnitude 4.
1
Magnitude 2.5+ inside the county since 1973
3
Magnitude 3+ within 50 miles since 1973
0
Magnitude 4+ within 50 miles since 1900
0
Magnitude 5+ within 50 miles since 1900
Largest within 50 miles
August 16, 2009
Magnitude 3.9
8 km E of Eads, Colorado; 37.9 miles away, 3.1 miles deep.
Most recent, magnitude 3 or more
March 28, 2026
Magnitude 3.1
2 km NW of Weskan, Kansas; inside the county.
- Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
- Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).
USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.
Severe weather and other events
889 events in the National Weather Service record, 782 of them since 1996.
247
Hail reports, 1 inch or larger
34
Hail, 2 inches or larger
197
Damaging gusts, 58 mph+
65
Winter weather events since 1996
0
Heat events since 1996
14
Cold events since 1996
Largest hail
July 20, 2009
4.25 inches
Strongest measured or estimated gust
July 20, 2023
115 mph
More event types since 1996
| Lightning | 1 | 0 |
| Dust storms and dust devils | 12 | 0 |
Costliest events since 1996
- Jun 20, 2011Thunderstorm Wind$488,000
National Weather Service narrative
A small thunderstorm complex produced a long-swath of significant wind and hail damage across south-central into central Wallace county. The damage began near the Wallace-Greeley county border about 13 miles SSW of Sharon Springs, and continued to about 8 miles SSE of Wallace. Approximately 25 irrigation pivots were blown over, numerous grain bins were either damaged or destroyed, utility poles were broken, some outbuildings damaged and one semi-truck blown over. Some residences reported shingle damage and broken winds due to a combination of wind and hail.
- Dec 29, 2006Winter Storm, Wallace$350,000
National Weather Service narrative
Snowfall totals across the county averaged 18-32. Highest totals occurred in a NE-SW band across the county, including the Sharon Springs and Wallace areas where 30-32 was reported. Damage costs are a preliminary combined estimate for both the Dec 20 and Dec 30 storms.
- Mar 28, 2007Tornado$250,000
National Weather Service narrative
Tornado began 5 WSW of Tribune and continued into Wallace county, Kansas, crossing the county border near Road 10. EF0 damage occurred in Greeley county. After the tornado crossed into Wallace county, it damaged three unoccupied mobile/modular homes producing EF1 damage. The tornado continued to 3 S of Weskan before dissipating. Other minor damage occurred along the path, however no homes were affected.
- Aug 26, 2002Thunderstorm Wind$150,000
National Weather Service narrative
Power poles down, 4 buildings at airport heavily damaged.
- Aug 26, 2002Thunderstorm Wind$100,000
National Weather Service narrative
Fifteen empty rail cars overturned. Power lines down, grain bins overturned, significant damage to mobile home.
- Jul 20, 2023Thunderstorm Wind$100,000
National Weather Service narrative
Two electric poles snapped, with atleast one more leaning. An old outbuilding, similiar in size to a single car garage, was blown a few feet off its foundation, and an irrigation pivot was overturned.
- Jul 20, 2023Thunderstorm Wind$81,000
National Weather Service narrative
An outbuilding in farmyard was completely destroyed. Nearby a machine shed was also destroyed. Nearby a pine tree was snapped.
- Jul 20, 2023Thunderstorm Wind$80,000
National Weather Service narrative
The tops of grain bins were bent inward. In addition the equipment attached to the grain bin was blown to the ground.
- Apr 2, 2015Thunderstorm Wind$65,000
National Weather Service narrative
Two irrigation pivots were overturned, power lines blown down, dead trees uprooted and minor damage to two farm houses. Time estimated from Doppler radar.
- Apr 22, 2022Thunderstorm Wind$60,000
National Weather Service narrative
As the line of storms moved over the town of Wallace, eight power poles were knocked down near the For Wallace Post Cemetery.
- Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.
NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.
Weather records
From Sharon Springs, 0.9 miles from the county’s population centre, with records from 1893.
- All-time high
- 112°FJun 24, 1971
- All-time low
- −23°FFeb 15, 2021
- Warmest night
- 86°FJul 7, 1897
- Coldest day
- −4°F2 times, most recently Dec 21, 1990
- Wettest day
- 5.35 inMay 22, 1976
- Snowiest day
- 21.0 inJan 26, 2022
- Hottest year
- 1894mean 59.7°F
- Coldest year
- 1924mean 50.3°F
- Wettest year
- 194930.49 in
- Driest year
- 20127.62 in
- Snowiest season
- 62.5 in1979-80
Median first snow
November 21
Earliest: September 21, 1995
Median last snow
March 24
Latest: May 5, 1950
0 of 72 winters had no measurable snow.
Station Sharon Springs (USC00147397), 3,450 ft elevation, 0.9 miles from the population centre. Daily records from 1893 to August 31, 2026; 87.2% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.
NOAA NCEI Global Historical Climatology Network Daily.
Federal disaster declarations
17 since 1953. The most recent: Severe Storms, Straight-Line Winds, Tornadoes, and Flooding, September 1, 2026.
| Sep 1, 2026 | Severe Storm | DR-4943-KS |
| Sep 11, 2025 | Severe Storm | DR-4891-KS |
| May 21, 2025 | Severe Storm | DR-4869-KS |
| Sep 24, 2024 | Severe Storm | DR-4824-KS |
| Oct 26, 2023 | Severe Storm | DR-4747-KS |
| May 25, 2022 | Snowstorm | DR-4654-KS |
| Feb 17, 2022 | Severe Storm | DR-4640-KS |
| Mar 29, 2020 | Biological | DR-4504-KS |
| Mar 13, 2020 | Biological | EM-3481-KS |
| Jun 20, 2019 | Severe Storm | DR-4449-KS |
| Jun 16, 2017 | Snowstorm | DR-4319-KS |
| Mar 9, 2010 | Severe Storm | DR-1885-KS |
| Jul 9, 2008 | Severe Storm | DR-1776-KS |
| Dec 12, 2007 | Severe Storm | EM-3282-KS |
| Jan 7, 2007 | Severe Storm | DR-1675-KS |
| Sep 10, 2005 | Hurricane | EM-3236-KS |
| Aug 3, 2004 | Severe Storm | DR-1535-KS |
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).
OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.
How this compares
Where Wallace County stands among 105 counties in Kansas and 3,143 in the United States.
| Tornadoes since 1950 | 47 | 50 / 105 |
| Tornadoes rated F3/EF3 or stronger | 1 | 89 / 105 |
| Tropical cyclones within 50 mi | 0 | — |
| Hurricane-strength passes within 50 mi | 0 | — |
| Wildfire acres since 1984 | 2,409 | 54 / 105 |
| Flood insurance claims | 0 | — |
| Flood insurance paid | $0 | — |
| Disaster declarations | 17 | 58 / 105 |
| Flood events since 1996 | 22 | 98 / 105 |
| Hail and wind events since 1996 | 575 | 32 / 105 |
| Winter storm events since 1996 | 65 | 66 / 105 |
| Reported damage since 1996 | $2.3 million | 91 / 105 |
| River crests at major flood stage | 0 | — |
| High tide flooding days a year, last 10 years | 0.0 | — |
| Months in severe drought since 1895 | 135 | 85 / 105 |
| Medium or heavy smoke days a year, last 10 years | 18.8 | 91 / 105 |
| Earthquakes M4+ within 50 mi since 1900 | 0 | — |
| Earthquakes M2.5+ in the county since 1973 | 1 | 30 / 105 |
Neighbouring counties
| Cheyenne County CO | 98 | 0 |
| Greeley County | 44 | 0 |
| Kit Carson County CO | 132 | 0 |
| Logan County | 40 | 0 |
| Sherman County | 113 | 0 |
| Wichita County | 37 | 0 |
Sources and vintage
Every number on this page comes from these public records.
- Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
- Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
- Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
- Storm events NOAA NCEI Storm Events Database, through 2026.
- Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
- Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
- Weather records NOAA NCEI Global Historical Climatology Network Daily, station USC00147397.
- River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
- Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
- Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
- Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.
Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.