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Weather & Climate in Junction City, AR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Junction City enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 45°F in January while summers reach 82°F in July. The area gets 304 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 52.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 190 feet.
Temperature
45°F Jan (7°C)
82°F Jul (28°C)
| Annual Average | 64.2°F |
| 19% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 190 ft (58 m) |
| Area | 1.1 sq mi (3.0 km²) |
| Population Density | 495/sq mi |
| Coordinates | 33.0221°N, 92.7236°W |
| Timezone | America/Chicago |
| County | Union County County |
| Nearest Airport | South Arkansas Regional At Goodwin Field (ELD) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 53.9 / 100 |
| Social Vulnerability | 84.7 / 100 |
| Community Resilience | 56.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
23 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Jan 27, 2024 | 4 km SSW of Hall Summit, Louisiana | M3.6 | 113 km | 9 km |
| Jan 18, 2025 | 0 km WSW of Mooringsport, Louisiana | M3.5 | 122 km | 5 km |
| Mar 16, 1997 | 6 km SSE of Amity, Arkansas | M3.4 | 148 km | 5 km |
| Apr 16, 2021 | 8 km WNW of Blanchard, Louisiana | M3.2 | 127 km | 5 km |
| Jun 10, 1994 | 4 km E of Junction City, Arkansas | M3.2 | 5 km | 5 km |
| Jan 6, 2025 | 4 km ESE of Mooringsport, Louisiana | M3.0 | 118 km | 9 km |
| Apr 1, 2021 | 7 km W of Blanchard, Louisiana | M3.0 | 126 km | 5 km |
| May 16, 2007 | 5 km SW of Calion, Arkansas | M3.0 | 33 km | 5 km |
| Mar 3, 2001 | 2 km SSE of El Dorado, Arkansas | M3.0 | 20 km | 5 km |
| Jan 9, 2024 | 1 km S of Edgefield, Louisiana | M2.8 | 124 km | 5 km |
| Jan 11, 2024 | 6 km SSW of Hall Summit, Louisiana | M2.8 | 115 km | 5 km |
| Dec 17, 2001 | 3 km WSW of El Dorado, Arkansas | M2.8 | 20 km | 10 km |
| Jan 9, 1997 | 6 km E of El Dorado, Arkansas | M2.8 | 23 km | 5 km |
| Feb 24, 2020 | 12 km ENE of Junction City, Arkansas | M2.8 | 13 km | 14 km |
| May 11, 2020 | 13 km SSE of El Dorado, Arkansas | M2.8 | 14 km | 12 km |
| Apr 26, 2024 | 8 km SSE of Doyline, Louisiana | M2.7 | 88 km | 5 km |
| Jan 19, 2024 | 7 km SW of Hall Summit, Louisiana | M2.7 | 116 km | 5 km |
| Jan 19, 2024 | 5 km NNE of Edgefield, Louisiana | M2.7 | 117 km | 5 km |
| Apr 23, 2024 | 3 km N of Ringgold, Louisiana | M2.7 | 90 km | 5 km |
| Dec 24, 1997 | 7 km W of El Dorado, Arkansas | M2.6 | 20 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 3 | 98 mph | 119 km |
| 1992 | Andrew | Category 1 | — | 297 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
521 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 34 fatalities, 397 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 1, 1983 | EF4 | 78 km | 9.0 mi | 2 |
| Mar 28, 1975 | EF4 | 81 km | 5.4 mi | 7 |
| Dec 19, 1957 | EF4 | 61 km | 17.7 mi | 2 |
| Dec 13, 2022 | EF3 | 37 km | 9.1 mi | 0 |
| Apr 12, 2020 | EF3 | 80 km | 8.0 mi | 0 |
| Apr 12, 2020 | EF3 | 74 km | 2.6 mi | 0 |
| Apr 25, 2019 | EF3 | 57 km | 11.2 mi | 2 |
| Feb 24, 2007 | EF3 | 1 km | 26.0 mi | 0 |
| Jan 12, 2005 | EF3 | 1 km | 24.0 mi | 2 |
| Nov 24, 2001 | EF3 | 83 km | 30.0 mi | 3 |
| May 4, 1999 | EF3 | 53 km | 9.0 mi | 0 |
| Apr 3, 1999 | EF3 | 58 km | 8.5 mi | 0 |
| Apr 3, 1999 | EF3 | 26 km | 14.5 mi | 0 |
| Nov 3, 1992 | EF3 | 73 km | 7.0 mi | 0 |
| Nov 9, 1984 | EF3 | 88 km | 6.0 mi | 0 |
| Nov 19, 1983 | EF3 | 23 km | 2.0 mi | 0 |
| Dec 3, 1982 | EF3 | 59 km | 10.0 mi | 0 |
| Apr 25, 1982 | EF3 | 75 km | 23.0 mi | 0 |
| Apr 8, 1979 | EF3 | 83 km | 17.7 mi | 0 |
| Apr 8, 1979 | EF3 | 84 km | 62.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,134 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 4,134 | 90 km |
| 2022 | CANEY C 11-14 | 2,323 | 23 km |
| 2006 | MOLLICY WARREN | 2,175 | 69 km |
| 2000 | UNNAMED | 2,042 | 66 km |
| 2021 | UNNAMED | 1,756 | 60 km |
| 1996 | 007 CORNEY LAKE BED | 1,716 | 12 km |
| 2014 | UNNAMED | 1,618 | 29 km |
| 2018 | C-25 26 27 | 1,565 | 59 km |
| 2010 | COMPARTMENT 5 PBURN | 1,541 | 99 km |
| 2018 | MIDDLEFORK UNIT | 1,514 | 29 km |
| 2012 | LACEY | 1,439 | 91 km |
| 2013 | UNNAMED | 1,312 | 99 km |
| 2017 | UNNAMED | 1,199 | 60 km |
| 2022 | C-24 28 | 1,161 | 64 km |
| 2020 | C-5 | 1,158 | 99 km |
| 2006 | SHALLOW LAKE ROAD WEST 2 H | 1,146 | 52 km |
| 2013 | SINGLETON CREEK | 1,124 | 71 km |
| 2007 | BOULDIN HOUSE N 3F | 1,061 | 51 km |
| 2006 | UNNAMED | 1,057 | 61 km |
| 2011 | SHALLOW LAKE WEST | 900 | 52 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 4.5 in | Coldest |
| February | 48°F (9°C) | 4.3 in | |
| March | 56°F (13°C) | 5.0 in | |
| April | 63°F (17°C) | 4.5 in | |
| May | 71°F (22°C) | 5.4 in | Wettest |
| June | 78°F (25°C) | 3.7 in | |
| July | 82°F (28°C) | 4.2 in | Warmest |
| August | 81°F (27°C) | 3.3 in | Driest |
| September | 75°F (24°C) | 4.0 in | |
| October | 64°F (18°C) | 3.5 in | |
| November | 53°F (12°C) | 4.3 in | |
| December | 46°F (8°C) | 4.6 in |
Junction City has a seasonal temperature swing of 38°F / from 45°F in January to 82°F in July. Total annual precipitation is 51.2 inches, with May being the wettest month (5.4") and August the driest (3.3").