Arthur County

Population 396 (2025) 715 sq mi

Large wildfires have burned 72,379 acres of Arthur County since 1984, 7th most of 93 counties in Nebraska; the largest was the Morrill Fire in 2026.

Hazard fingerprint for Arthur County Tornado: 20th percentile. Tropical: 0th percentile. Wildfire: 83th percentile. Flood: 3th percentile. Hail & wind: 36th percentile. Heat: 0th percentile. Cold: 59th percentile. Winter: 38th percentile. TORTROPFIREFLOODSEVEREHEATCOLDWINTER

Hazard fingerprint Each spoke is this county’s percentile among U.S. counties where that hazard occurs. How it is computed

2026
  • Tornado damage paths since 19509
  • Wildfire burn scars since 19843

At a glance

The record for Arthur County in eight numbers. Each links to its section below.

Acres burned since 1984

72,379

7th of 93 in Nebraska

3 large fires; the largest was Morrill, 2026

Details

Tornadoes since 1950

9

92nd of 93 in Nebraska

Fewer than the typical Nebraska county, which has had 34

Details

Strongest tornado

F3

July 10, 1977, 7.8 mile path

Federal disaster declarations

12

Most recent: Wildfires, 2026

Details

Record high

113°F

July 25, 1936

Details

Record low

−33°F

December 22, 1989

Details

Snowiest season

66.5in

Winter of 1979-80

Costliest event since 1996

$1.0M

Wildfire, March 12, 2026

Details

Tornadoes

About one every 8.4 years since 1950, one of them rated F3/EF3 or stronger.

Strongest

July 10, 1977

F3, 7.8 mile path

40 yards wide.

Most recent

Wednesday, July 6, 2016

EF0, 0.1 mile path

10 years ago.

Tornadoes by decade Doppler radar era² 1950s: 0 1960s: 0 1970s: 2 2 1980s: 0 1990s: 1 1 2000s: 5 5 2010s: 1 1 2020s: 0 1950s1960s1970s1980s1990s2000s2010s2020s
Recorded tornadoes per decade. The 2020s are incomplete.
Tornadoes by month J: 0 F: 0 M: 1 A: 0 M: 1 J: 5 5 J: 2 A: 0 S: 0 O: 0 N: 0 D: 0 JFMAMJJASOND
By month of occurrence, all years.

Every recorded tornado

Tornadoes in Arthur County since 1950
Jul 6, 2016EF00.11000
Mar 28, 2007EF120.610000
Jun 6, 2005F12.15000
Jun 6, 2005F00.12500
Jun 10, 2004F00.22000
Jun 10, 2004F00.62000
Jun 18, 1991F10.12000
Jul 10, 1977F37.84000
May 18, 1977F10.55000
  1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Arthur County: 0.
  2. 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

72,379 acres burned in 3 large fires since 1984, equal to 16% of the land.

Largest

March 13, 2026

Morrill Fire, 645,316 acres

64,826 acres inside Arthur County.

Most recent

March 13, 2026

Morrill Fire

645,316 acres in total.

Acres burned since 1984, cumulative 2000: 3,1922012: 4,3602026: 64,826 72,379 acres 198519901995200020052010201520202025
Running total of acres burned inside the county (line) and each year’s acres (bars).

Every large fire

Large wildfires since 1984
Morrill202664,826645,316
Keith County Complex20124,36013,544
Unnamed20003,1923,191
  1. 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: 67 days

Heavy smoke on 27 days in 2021, the most of any year.

Last 10 years

25.8 days a year

Medium or heavy smoke, 2016 to 2025.

2025

18 days

Medium or heavy smoke. 33 so far in 2026.

Days with medium or heavy smoke overhead, by year 2011: 13 2012: 27 2013: 12 2014: 3 2015: 11 2016: 7 2017: 19 2018: 26 2019: 4 2020: 39 2021: 67 67 2022: 15 2023: 29 2024: 34 2025: 18 201120122013201420152016201720182019202020212022202320242025
Days each year on which a satellite-traced plume of medium or heavy smoke covered the county’s population centre, 2011 to 2025.
  1. 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 Flood2
  • Heavy Rain2

OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.

Drought

In severe drought or worse for 159 of 1,581 months since 1895 (10%); the longest spell lasted 16 months.

159

Months in severe drought or worse since 1895

68

Months in extreme drought

10%

Share of all months, severe or worse

58

Drought reports to the Weather Service since 1996

Lowest reading

July 2026

−6.57, extreme drought

Longest severe spell

16 months

May 1901 to August 1902.

Latest month

September 2026

−5.30, extreme drought

Months in severe drought or worse, by year 1895: 0 1896: 0 1897: 0 1898: 0 1899: 4 1900: 9 1901: 11 11 1902: 8 1903: 0 1904: 6 1905: 0 1906: 0 1907: 0 1908: 0 1909: 0 1910: 7 1911: 9 1912: 0 1913: 0 1914: 0 1915: 0 1916: 0 1917: 0 1918: 0 1919: 0 1920: 0 1921: 0 1922: 0 1923: 0 1924: 0 1925: 0 1926: 0 1927: 0 1928: 0 1929: 0 1930: 0 1931: 5 1932: 0 1933: 0 1934: 8 1935: 3 1936: 6 1937: 4 1938: 0 1939: 0 1940: 4 1941: 0 1942: 0 1943: 5 1944: 0 1945: 0 1946: 0 1947: 0 1948: 0 1949: 0 1950: 0 1951: 0 1952: 0 1953: 0 1954: 5 1955: 4 1956: 5 1957: 0 1958: 0 1959: 0 1960: 0 1961: 0 1962: 0 1963: 0 1964: 0 1965: 0 1966: 0 1967: 0 1968: 0 1969: 0 1970: 0 1971: 0 1972: 0 1973: 0 1974: 0 1975: 0 1976: 0 1977: 0 1978: 0 1979: 0 1980: 0 1981: 0 1982: 0 1983: 0 1984: 0 1985: 3 1986: 0 1987: 0 1988: 0 1989: 8 1990: 2 1991: 0 1992: 0 1993: 0 1994: 0 1995: 0 1996: 0 1997: 1 1998: 0 1999: 0 2000: 3 2001: 0 2002: 4 2003: 5 2004: 5 2005: 0 2006: 4 2007: 0 2008: 0 2009: 0 2010: 0 2011: 0 2012: 7 2013: 1 2014: 0 2015: 0 2016: 0 2017: 0 2018: 0 2019: 0 2020: 0 2021: 0 2022: 5 2023: 0 2024: 0 2025: 0 18951905191519251935194519551965197519851995200520152025
Months each year with a Palmer index of −3 or lower, 1895 to 2025. Twelve means the whole year.
  1. 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

1 earthquake of magnitude 4 or more within 50 miles since 1900; the largest was magnitude 4.3 in 1978.

0

Magnitude 2.5+ inside the county since 1973

3

Magnitude 3+ within 50 miles since 1973

1

Magnitude 4+ within 50 miles since 1900

0

Magnitude 5+ within 50 miles since 1900

Largest within 50 miles

May 7, 1978

Magnitude 4.3

36 km NNW of Hyannis, Nebraska; 38.9 miles away, 9.3 miles deep.

Most recent, magnitude 3 or more

October 17, 2012

Magnitude 3.6

28 km NW of Hyannis, Nebraska; 32.5 miles away.

Earthquakes of magnitude 3 or more within 50 miles, by year 1973: 0 1974: 0 1975: 0 1976: 0 1977: 0 1978: 1 1 1979: 0 1980: 0 1981: 0 1982: 0 1983: 0 1984: 0 1985: 0 1986: 0 1987: 0 1988: 0 1989: 0 1990: 1 1991: 0 1992: 0 1993: 0 1994: 0 1995: 0 1996: 0 1997: 0 1998: 0 1999: 0 2000: 0 2001: 0 2002: 0 2003: 0 2004: 0 2005: 0 2006: 0 2007: 0 2008: 0 2009: 0 2010: 0 2011: 0 2012: 1 2013: 0 2014: 0 2015: 0 2016: 0 2017: 0 2018: 0 2019: 0 2020: 0 2021: 0 2022: 0 2023: 0 2024: 0 2025: 0 19731978198319881993199820032008201320182023
Per year, 1973 to 2025.

Every earthquake of magnitude 4 or more within 50 miles

Earthquakes of magnitude 4 or more within 50 miles
May 7, 19784.338.99.336 km NNW of Hyannis, Nebraska
  1. 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).
  2. 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

412 events in the National Weather Service record, 375 of them since 1996.

110

Hail reports, 1 inch or larger

11

Hail, 2 inches or larger

46

Damaging gusts, 58 mph+

52

Winter weather events since 1996

0

Heat events since 1996

13

Cold events since 1996

Largest hail

July 19, 2024

3.75 inches

Strongest measured or estimated gust

August 22, 2007

90 mph

More event types since 1996

Other Storm Events types since 1996
Lightning200Aug 2, 2012

Costliest events since 1996

  1. Mar 12, 2026Wildfire, Arthur$1.0 million
    National Weather Service narrative

    Fire initiated during the early afternoon hours of March 12th east of Angora in Morrill County. Aided by 50 MPH winds, the fire tracked east of Garden County and spread across southwestern Arthur County. By the time the fire was contained on March 28th, approximately 64,590 acres of rangeland was consumed in the fire. The fire resulted in one fatality in southwestern Arthur County. One primary residence was destroyed, along with 6 outbuildings damaged in the fire. Two calf-cow pairs were lost in the fire in Arthur County.

  2. Jul 5, 2015Thunderstorm Wind$75,000
    National Weather Service narrative

    Most of a metal roof was blown off of a residents home. In addition, extensive water damage was also reported to this residence.

  3. Jul 4, 1998Flash Flood$50,000
    National Weather Service narrative

    Rainfall of approximately 2.50 inches in 20 minutes caused flash flooding in the coummunity of Arthur. There was extensive damage to streets and roads, basements flooded, and water in homes and businesses.

  4. Jun 21, 2015Hail$40,000
    National Weather Service narrative

    Windows were broken, screens were knocked out, and a car was damaged.

  5. Aug 28, 2002Lightning$30,000
    National Weather Service narrative

    Lightning struck the TV antenna on a house and then traveled through the wiring in the house. The house received extensive fire, heat and smoke damage.

  6. Jun 10, 2004Tornado$25,000
    National Weather Service narrative

    During touchdown the tornado damaged or uprooted numerous trees, destroyed a wind mill and a 40 foot metal tower. The metal roof of nearby barn was peeled off and a trailer home was moved about 1 foot, with damage to the roof and siding.

  7. Jun 21, 2015Hail$20,000
    National Weather Service narrative

    A window was broken, screens were knocked out, and a car sustained damage from tennis ball size hail.

  8. Mar 6, 1998Winter Storm, Arthur$15,000
    National Weather Service narrative

    A winter storm produced from three to six inches of snowfall across Western and North Central Nebraska with some amounts up to 10 inches in parts of North Central Nebraska. I-80 was closed from Ogallala to Lincoln due to hazardous driving conditions created by the snow and blowing snow. Many schools were cancelled on Monday. Several traffic accidents due to icy road conditions were reported.

  9. Jun 5, 2009Hail$10,000
    National Weather Service narrative

    Wind gusts of approximately 60 MPH accompanied the hail.

  10. Jun 6, 2005Tornado$10,000
    National Weather Service narrative

    Several storm chasers followed the supercell storm and recorded the tornado development. The tornado broke off or uprooted numerous trees, destroyed one small shed, peeled off the roof of another outbuilding, and damaged shingles on a home.

  1. 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 Arthur, 0.7 miles from the county’s population centre, with records from 1929.

All-time high
113°FJul 25, 1936
All-time low
−33°FDec 22, 1989
Warmest night
79°FJul 27, 2026
Coldest day
−14°FFeb 4, 1989
Wettest day
3.58 inSep 4, 1937
Snowiest day
24.0 inMar 27, 1939
Hottest year
1938mean 51.7°F
Coldest year
1993mean 45.1°F
Wettest year
200928.56 in
Driest year
19319.02 in
Snowiest season
66.5 in1979-80
Average monthly high and low temperature and precipitation, last 30 years, Arthur 32°F 38° 14° 0.4 Jan 41° 16° 0.5 Feb 52° 25° 1.0 Mar 61° 33° 2.1 Apr 71° 44° 3.5 May 83° 55° 3.2 Jun 89° 61° 3.1 Jul 87° 58° 2.3 Aug 79° 49° 1.9 Sep 64° 35° 1.2 Oct 51° 24° 0.5 Nov 40° 15° 0.3 Dec Precipitation, inches
Average daily high and low by month, and average monthly precipitation, over the last 30 years.
Days reaching 95°F per year 1976: 8 1977: 6 1979: 3 1980: 13 1981: 3 1982: 8 1983: 11 1984: 7 1985: 6 1986: 7 1987: 18 1988: 21 1989: 17 1990: 22 1991: 14 1992: 0 1993: 1 1994: 7 1995: 27 1996: 8 1997: 11 1998: 19 1999: 12 2000: 25 2001: 20 2002: 27 2003: 15 2004: 9 2005: 11 2006: 21 2007: 12 2008: 11 2009: 3 2010: 6 2011: 15 2012: 43 43 2013: 16 2014: 6 2015: 15 2016: 11 2017: 13 2018: 8 2019: 8 2020: 20 2021: 17 2022: 41 2023: 16 2024: 18 2025: 17 19761987199720072017
Days reaching 95°F each complete year, last 50 years. Thirty-year average: 15.8.
Snowfall by winter 1973: 44.0 in 1974: 32.2 in 1975: 34.3 in 1976: 25.3 in 1977: 28.0 in 1978: 58.8 in 1979: 66.5 in 66.5 1980: 16.0 in 1981: 28.5 in 1982: 31.0 in 1983: 47.0 in 1984: 22.0 in 1985: 36.0 in 1986: 40.5 in 1987: 58.0 in 1988: 27.0 in 1989: 32.0 in 1990: 32.0 in 1991: 23.0 in 1992: 49.5 in 1993: 35.0 in 1994: 45.1 in 1995: 17.7 in 1996: 18.0 in 1997: 13.0 in 1998: 18.0 in 1999: 16.0 in 2000: 33.4 in 2001: 17.0 in 2002: 30.4 in 2003: 20.6 in 2004: 33.0 in 2005: 18.3 in 2006: 34.1 in 2007: 44.6 in 2008: 55.8 in 2009: 51.7 in 2010: 56.5 in 2011: 14.0 in 2012: 52.7 in 2013: 51.0 in 2014: 36.0 in 2015: 49.8 in 2016: 29.5 in 2017: 43.9 in 2021: 23.2 in 2022: 44.7 in 19731983199320032013
Total snowfall each winter (July to June), last 50 winters.

Median first snow

November 5

Earliest: September 12, 2014

Median last snow

April 10

Latest: May 20, 2015

0 of 75 winters had no measurable snow.

Station Arthur (USC00250365), 3,651 ft elevation, 0.7 miles from the population centre. Daily records from 1929 to October 25, 2026; 98.4% 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

12 since 1953. The most recent: Wildfires, June 30, 2026.

Federal disaster declarations
Jun 30, 2026FireWildfiresMajor disasterDR-4920-NE
Mar 13, 2026FireMorrill-Cottonwood FireFire managementFM-5623-NE
Apr 4, 2020BiologicalCovid-19 PandemicMajor disasterDR-4521-NE
Mar 13, 2020BiologicalCovid-19EmergencyEM-3483-NE
Mar 21, 2019FloodSevere Winter Storm, Straight-Line Winds, and FloodingMajor disasterDR-4420-NE
Jun 25, 2015Severe StormSevere Storms, Tornadoes, Straight-Line Winds, and FloodingMajor disasterDR-4225-NE
Jul 15, 2010Severe StormSevere Storms and FloodingMajor disasterDR-1924-NE
Apr 21, 2010FloodSevere Storms, Ice Jams, and FloodingMajor disasterDR-1902-NE
Jul 31, 2009Severe StormSevere Storms, Flooding, and TornadoesMajor disasterDR-1853-NE
Aug 29, 2007Severe StormSevere Storms and FloodingMajor disasterDR-1721-NE
Sep 13, 2005HurricaneHurricane Katrina EvacueesEmergencyEM-3245-NE
Jul 18, 1967FloodSevere Storms & FloodingMajor disasterDR-228-NE

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 Arthur County stands among 93 counties in Nebraska and 3,143 in the United States.

Ranks
Tornadoes since 1950992 / 932,326 / 3,143
Tornadoes rated F3/EF3 or stronger153 / 931,281 / 3,143
Tropical cyclones within 50 mi0——
Hurricane-strength passes within 50 mi0——
Wildfire acres since 198472,3797 / 93376 / 3,143
Flood insurance claims0——
Flood insurance paid$0——
Disaster declarations1272 / 932,631 / 3,143
Flood events since 1996487 / 933,058 / 3,143
Hail and wind events since 199623871 / 931,646 / 3,143
Winter storm events since 19965287 / 931,904 / 3,143
Reported damage since 1996$1.4 million88 / 932,883 / 3,143
River crests at major flood stage0——
High tide flooding days a year, last 10 years0.0——
Months in severe drought since 189515954 / 93750 / 3,143
Medium or heavy smoke days a year, last 10 years25.851 / 93573 / 3,143
Earthquakes M4+ within 50 mi since 1900120 / 931,397 / 3,143
Earthquakes M2.5+ in the county since 19730——

Neighbouring counties

Neighbouring counties
Garden County270548,5222
Grant County16052,2750
Hooker County16019,2830
Keith County55065,1677
McPherson County15016,8800

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 USC00250365.
  • 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.