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Weather & Climate in Okolona, AR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Okolona enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 43°F in January while summers reach 82°F in July. The area gets 301 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 54.8 inches (wetter than the 38-inch national average). The area receives 1.4 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 400 feet.
Temperature
43°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 63.2°F |
| 17% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 400 ft (122 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 401/sq mi |
| Coordinates | 34.0005°N, 93.3376°W |
| Timezone | America/Chicago |
| County | Clark County County |
| Nearest Airport | Texarkana Regional-Webb Field (TXK) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 41.1 / 100 |
| Social Vulnerability | 68.0 / 100 |
| Community Resilience | 32.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.4.
| Mar 16, 1997 | 6 km SSE of Amity, Arkansas | M3.4 | 25 km | 5 km |
| Aug 4, 2001 | 16 km SW of Lake Hamilton, Arkansas | M3.2 | 38 km | 0 km |
| Jun 10, 1994 | 4 km E of Junction City, Arkansas | M3.2 | 126 km | 5 km |
| May 16, 2007 | 5 km SW of Calion, Arkansas | M3.0 | 104 km | 5 km |
| Mar 3, 2001 | 2 km SSE of El Dorado, Arkansas | M3.0 | 110 km | 5 km |
| Jul 28, 1990 | 18 km W of Mountain Pine, Arkansas | M2.9 | 67 km | 4 km |
| Dec 17, 2001 | 3 km WSW of El Dorado, Arkansas | M2.8 | 107 km | 10 km |
| Jan 9, 1997 | 6 km E of El Dorado, Arkansas | M2.8 | 112 km | 5 km |
| Feb 24, 2020 | 12 km ENE of Junction City, Arkansas | M2.8 | 124 km | 14 km |
| May 11, 2020 | 13 km SSE of El Dorado, Arkansas | M2.8 | 121 km | 12 km |
| Dec 24, 1997 | 7 km W of El Dorado, Arkansas | M2.6 | 104 km | 5 km |
| Nov 11, 1998 | 22 km NW of Hot Springs Village, Arkansas | M2.6 | 91 km | 5 km |
| Sep 22, 2001 | 17 km SSE of Plainview, Arkansas | M2.6 | 93 km | 5 km |
| Oct 18, 2009 | 9 km SE of Redfield, Arkansas | M2.6 | 121 km | 29 km |
| Jan 12, 2017 | 9 km E of Leola, Arkansas | M2.6 | 80 km | 10 km |
| Nov 10, 2013 | 24 km NNE of Wright City, Oklahoma | M2.5 | 148 km | 4 km |
| Aug 4, 1991 | 10 km SW of Mountain Pine, Arkansas | M2.5 | 56 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 1 | — | 224 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
405 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 42 fatalities, 485 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 1, 1997 | EF4 | 35 km | 24.0 mi | 0 |
| Mar 1, 1997 | EF4 | 11 km | 27.0 mi | 6 |
| Mar 1, 1997 | EF4 | 95 km | 14.0 mi | 10 |
| Apr 2, 1982 | EF4 | 87 km | 45.0 mi | 3 |
| Dec 19, 1957 | EF4 | 73 km | 17.7 mi | 2 |
| Mar 21, 1952 | EF4 | 63 km | 13.0 mi | 7 |
| Apr 25, 2011 | EF3 | 71 km | 16.8 mi | 1 |
| Nov 27, 2005 | EF3 | 99 km | 19.0 mi | 0 |
| May 4, 1999 | EF3 | 84 km | 9.0 mi | 0 |
| Mar 5, 1999 | EF3 | 38 km | 13.0 mi | 0 |
| Jan 21, 1999 | EF3 | 66 km | 11.0 mi | 0 |
| Jan 21, 1999 | EF3 | 66 km | 11.0 mi | 0 |
| Mar 1, 1997 | EF3 | 42 km | 18.0 mi | 0 |
| May 27, 1996 | EF3 | 4 km | 26.0 mi | 0 |
| May 27, 1996 | EF3 | 40 km | 15.0 mi | 0 |
| Nov 9, 1984 | EF3 | 35 km | 6.0 mi | 0 |
| Dec 23, 1982 | EF3 | 57 km | 20.0 mi | 0 |
| Dec 3, 1982 | EF3 | 71 km | 10.0 mi | 0 |
| Apr 25, 1982 | EF3 | 38 km | 9.0 mi | 0 |
| Apr 2, 1982 | EF3 | 59 km | 18.0 mi | 5 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (9,749 acres, 2003).
| Year | Name | Acres Burned | Distance |
| 2003 | UNNAMED | 9,749 | 85 km |
| 2010 | W72 BLOOD SPRINGS | 8,674 | 75 km |
| 2006 | NO MANS LAND | 8,250 | 67 km |
| 2003 | UNNAMED | 7,347 | 95 km |
| 2007 | UNNAMED | 6,804 | 97 km |
| 2010 | WEST GRAPEVINE RX | 5,878 | 87 km |
| 2013 | UNNAMED | 5,759 | 87 km |
| 2022 | LITTLE MISSOURI | 5,624 | 75 km |
| 2007 | UNNAMED | 5,428 | 87 km |
| 2018 | UNNAMED | 5,396 | 89 km |
| 2003 | UNNAMED | 5,333 | 87 km |
| 2024 | RX LITTLE MISSOURI | 5,312 | 75 km |
| 2006 | FLATSIDE | 5,256 | 97 km |
| 2021 | LITTLE FIR 16 | 5,096 | 70 km |
| 2024 | RX MIDDLE NORTH FORK UNITS 3/4/5/6 | 4,854 | 83 km |
| 2020 | VANDERSLICE 1 AND 2 | 4,647 | 73 km |
| 2022 | NO MANS LAND SOUTH | 4,544 | 67 km |
| 2024 | RX NO MANS LAND SOUTH | 4,496 | 67 km |
| 2022 | ROUGH SHACK | 4,492 | 92 km |
| 2022 | EAST END BEAR MOUNTAIN | 4,472 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.3 in | Coldest, Driest |
| February | 45°F (7°C) | 4.0 in | |
| March | 53°F (12°C) | 5.3 in | |
| April | 61°F (16°C) | 5.1 in | |
| May | 69°F (20°C) | 5.9 in | Wettest |
| June | 76°F (25°C) | 4.6 in | |
| July | 82°F (28°C) | 4.4 in | Warmest |
| August | 80°F (26°C) | 3.4 in | |
| September | 73°F (23°C) | 4.1 in | |
| October | 62°F (17°C) | 4.2 in | |
| November | 51°F (11°C) | 5.6 in | |
| December | 43°F (6°C) | 5.2 in |
Okolona has a seasonal temperature swing of 40°F / from 43°F in January to 82°F in July. Total annual precipitation is 55.0 inches, with May being the wettest month (5.9") and January the driest (3.3").