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Weather & Climate in Heavener, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heavener enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 318 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 597 feet.
Temperature
39°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 597 ft (182 m) |
| Area | 5.0 sq mi (12.8 km²) |
| Population Density | 611/sq mi |
| Coordinates | 34.8920°N, 94.6078°W |
| Timezone | America/Chicago |
| County | Le Flore County County |
| Nearest Airport | Fort Smith Regional (FSM) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.7 / 100 |
| Social Vulnerability | 85.5 / 100 |
| Community Resilience | 4.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
92 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Apr 3, 2012 | 8 km SSW of Pittsburg, Oklahoma | M4.1 | 119 km | 5 km |
| Aug 24, 2021 | 1 km S of Quinton, Oklahoma | M3.7 | 74 km | 7 km |
| Aug 18, 2019 | 1 km ENE of Quinton, Oklahoma | M3.7 | 73 km | 6 km |
| Aug 22, 2021 | 3 km ESE of Quinton, Oklahoma | M3.4 | 71 km | 7 km |
| Mar 16, 1997 | 6 km SSE of Amity, Arkansas | M3.4 | 132 km | 5 km |
| Jul 22, 2021 | 2 km E of Quinton, Oklahoma | M3.3 | 71 km | 8 km |
| Feb 25, 2009 | 4 km SE of Ashland, Oklahoma | M3.3 | 132 km | 5 km |
| Feb 7, 2020 | 2 km SSW of Quinton, Oklahoma | M3.2 | 75 km | 6 km |
| Feb 7, 2020 | 3 km SSW of Quinton, Oklahoma | M3.2 | 75 km | 6 km |
| Aug 4, 2001 | 16 km SW of Lake Hamilton, Arkansas | M3.2 | 140 km | 0 km |
| May 27, 2007 | 9 km SW of Hanna, Oklahoma | M3.2 | 128 km | 5 km |
| Aug 12, 2019 | 1 km NE of Quinton, Oklahoma | M3.2 | 73 km | 5 km |
| Jun 3, 2022 | 10 km W of Quinton, Oklahoma | M3.2 | 84 km | 13 km |
| Mar 14, 2022 | 12 km E of Crowder, Oklahoma | M3.1 | 88 km | 8 km |
| Oct 1, 2010 | 7 km SE of Stuart, Oklahoma | M3.1 | 130 km | 5 km |
| Jan 7, 2018 | 7 km SW of Indianola, Oklahoma | M3.1 | 114 km | 5 km |
| Jan 26, 2014 | 4 km WNW of Lamar, Oklahoma | M3.1 | 145 km | 3 km |
| Apr 1, 2020 | 2 km NE of Quinton, Oklahoma | M3.1 | 73 km | 9 km |
| Apr 22, 2005 | 17 km N of Swink, Oklahoma | M3.0 | 96 km | 5 km |
| Apr 14, 2012 | 3 km W of Arpelar, Oklahoma | M3.0 | 127 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
467 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 90 fatalities, 1,020 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 26, 1976 | EF5 | 35 km | 11.9 mi | 2 |
| May 24, 2011 | EF4 | 74 km | 45.7 mi | 4 |
| Mar 26, 1976 | EF4 | 45 km | 10.7 mi | 1 |
| May 26, 1973 | EF4 | 98 km | 3.6 mi | 5 |
| Apr 19, 1968 | EF4 | 46 km | 2.0 mi | 14 |
| May 5, 1961 | EF4 | 43 km | 26.4 mi | 16 |
| May 5, 1960 | EF4 | 55 km | 5.4 mi | 5 |
| May 5, 1960 | EF4 | 63 km | 62.4 mi | 16 |
| Jan 22, 1957 | EF4 | 57 km | 0.1 mi | 10 |
| Apr 9, 2009 | EF3 | 99 km | 37.2 mi | 0 |
| Apr 9, 2009 | EF3 | 46 km | 14.8 mi | 3 |
| May 4, 1999 | EF3 | 76 km | 38.2 mi | 0 |
| Apr 21, 1996 | EF3 | 56 km | 10.1 mi | 2 |
| Nov 22, 1983 | EF3 | 54 km | 3.0 mi | 0 |
| Dec 2, 1982 | EF3 | 74 km | 1.0 mi | 0 |
| Apr 7, 1980 | EF3 | 27 km | 0.5 mi | 0 |
| May 26, 1973 | EF3 | 88 km | 18.7 mi | 0 |
| Jun 11, 1970 | EF3 | 89 km | 51.8 mi | 1 |
| May 5, 1960 | EF3 | 36 km | 23.7 mi | 1 |
| May 5, 1960 | EF3 | 56 km | 4.5 mi | 1 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (15,318 acres, 2000).
| Year | Name | Acres Burned | Distance |
| 2000 | UNNAMED | 15,318 | 61 km |
| 2009 | 40 ACRE TURNAROUND | 13,985 | 84 km |
| 1998 | UNNAMED | 13,929 | 60 km |
| 2016 | WEST CAVANAL FIRE | 13,100 | 24 km |
| 2016 | UNNAMED | 11,929 | 60 km |
| 2024 | RX FOUCHE VALLEY | 10,912 | 92 km |
| 2007 | UNNAMED | 10,593 | 27 km |
| 2011 | UNNAMED | 10,444 | 83 km |
| 2003 | UNNAMED | 9,749 | 89 km |
| 2007 | BRANTLEY CABIN | 9,666 | 70 km |
| 2016 | UNNAMED | 9,483 | 66 km |
| 2013 | UNNAMED | 9,385 | 62 km |
| 2021 | BILLY CREEK | 9,236 | 23 km |
| 2011 | TI VALLEY | 9,205 | 86 km |
| 2010 | W72 BLOOD SPRINGS | 8,674 | 82 km |
| 2017 | MIDDLE RIDGE | 8,501 | 76 km |
| 2018 | SIX THOUSAND | 8,455 | 86 km |
| 2016 | DOG HOUSE FIRE | 8,304 | 57 km |
| 2006 | NO MANS LAND | 8,250 | 86 km |
| 2019 | UNNAMED | 8,217 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.5 in | Coldest, Driest |
| February | 44°F (7°C) | 3.0 in | |
| March | 52°F (11°C) | 4.4 in | |
| April | 61°F (16°C) | 4.4 in | |
| May | 69°F (20°C) | 6.1 in | Wettest |
| June | 76°F (25°C) | 4.2 in | |
| July | 82°F (28°C) | 3.5 in | Warmest |
| August | 80°F (27°C) | 3.0 in | |
| September | 73°F (23°C) | 4.6 in | |
| October | 63°F (17°C) | 4.5 in | |
| November | 51°F (11°C) | 4.3 in | |
| December | 43°F (6°C) | 3.7 in |
Heavener has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 48.2 inches, with May being the wettest month (6.1") and January the driest (2.5").