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Weather & Climate in McNab, AR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
McNab enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 42°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 55.7 inches (wetter than the 38-inch national average). The area receives 2.1 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 323 feet.
Temperature
42°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 62.4°F |
| 16% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 323 ft (98 m) |
| Area | 0.4 sq mi (0.9 km²) |
| Population Density | 279/sq mi |
| Coordinates | 33.6609°N, 93.8323°W |
| Timezone | America/Chicago |
| County | Hempstead County County |
| Nearest Airport | Texarkana Regional-Webb Field (TXK) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 52.1 / 100 |
| Social Vulnerability | 82.0 / 100 |
| Community Resilience | 10.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| 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: M3.5.
| Jan 18, 2025 | 0 km WSW of Mooringsport, Louisiana | M3.5 | 109 km | 5 km |
| Mar 16, 1997 | 6 km SSE of Amity, Arkansas | M3.4 | 71 km | 5 km |
| Jun 10, 1994 | 4 km E of Junction City, Arkansas | M3.2 | 130 km | 5 km |
| Apr 16, 2021 | 8 km WNW of Blanchard, Louisiana | M3.2 | 119 km | 5 km |
| Aug 4, 2001 | 16 km SW of Lake Hamilton, Arkansas | M3.2 | 93 km | 0 km |
| Apr 1, 2021 | 7 km W of Blanchard, Louisiana | M3.0 | 120 km | 5 km |
| Jan 6, 2025 | 4 km ESE of Mooringsport, Louisiana | M3.0 | 110 km | 9 km |
| Apr 22, 2005 | 17 km N of Swink, Oklahoma | M3.0 | 138 km | 5 km |
| May 16, 2007 | 5 km SW of Calion, Arkansas | M3.0 | 122 km | 5 km |
| Mar 3, 2001 | 2 km SSE of El Dorado, Arkansas | M3.0 | 121 km | 5 km |
| Jul 28, 1990 | 18 km W of Mountain Pine, Arkansas | M2.9 | 113 km | 4 km |
| Jan 9, 1997 | 6 km E of El Dorado, Arkansas | M2.8 | 125 km | 5 km |
| Dec 17, 2001 | 3 km WSW of El Dorado, Arkansas | M2.8 | 117 km | 10 km |
| Feb 24, 2020 | 12 km ENE of Junction City, Arkansas | M2.8 | 132 km | 14 km |
| May 11, 2020 | 13 km SSE of El Dorado, Arkansas | M2.8 | 130 km | 12 km |
| Apr 26, 2024 | 8 km SSE of Doyline, Louisiana | M2.7 | 140 km | 5 km |
| Sep 22, 2001 | 17 km SSE of Plainview, Arkansas | M2.6 | 141 km | 5 km |
| Dec 24, 1997 | 7 km W of El Dorado, Arkansas | M2.6 | 113 km | 5 km |
| Nov 11, 1998 | 22 km NW of Hot Springs Village, Arkansas | M2.6 | 141 km | 5 km |
| Jan 12, 2017 | 9 km E of Leola, Arkansas | M2.6 | 137 km | 10 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 2.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 2 | 98 mph | 197 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
470 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 31 fatalities, 404 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 1, 1997 | EF4 | 54 km | 27.0 mi | 6 |
| Mar 1, 1997 | EF4 | 94 km | 24.0 mi | 0 |
| Apr 2, 1982 | EF4 | 51 km | 45.0 mi | 3 |
| Mar 12, 1971 | EF4 | 63 km | 5.1 mi | 1 |
| Dec 19, 1957 | EF4 | 64 km | 17.7 mi | 2 |
| Mar 21, 1952 | EF4 | 44 km | 13.0 mi | 7 |
| Nov 4, 2022 | EF3 | 78 km | 15.7 mi | 0 |
| Apr 9, 2009 | EF3 | 71 km | 37.2 mi | 0 |
| Apr 9, 2009 | EF3 | 72 km | 9.9 mi | 0 |
| Apr 23, 2000 | EF3 | 85 km | 16.0 mi | 0 |
| May 4, 1999 | EF3 | 73 km | 9.0 mi | 0 |
| Mar 5, 1999 | EF3 | 66 km | 13.0 mi | 0 |
| Mar 1, 1997 | EF3 | 24 km | 18.0 mi | 0 |
| May 27, 1996 | EF3 | 56 km | 26.0 mi | 0 |
| May 27, 1996 | EF3 | 95 km | 15.0 mi | 0 |
| Nov 15, 1987 | EF3 | 92 km | 12.2 mi | 0 |
| Apr 23, 1985 | EF3 | 74 km | 13.0 mi | 0 |
| Nov 9, 1984 | EF3 | 64 km | 6.0 mi | 0 |
| Dec 23, 1982 | EF3 | 58 km | 20.0 mi | 0 |
| Dec 3, 1982 | EF3 | 96 km | 10.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BRANTLEY CABIN (9,666 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | BRANTLEY CABIN | 9,666 | 99 km |
| 2010 | W72 BLOOD SPRINGS | 8,674 | 99 km |
| 2006 | NO MANS LAND | 8,250 | 85 km |
| 2020 | ASHFORD WELCH | 5,976 | 96 km |
| 2022 | LITTLE MISSOURI | 5,624 | 87 km |
| 2024 | RX LITTLE MISSOURI | 5,312 | 87 km |
| 2022 | NO MANS LAND SOUTH | 4,544 | 84 km |
| 2024 | RX NO MANS LAND SOUTH | 4,496 | 84 km |
| 2003 | UNNAMED | 3,609 | 84 km |
| 2022 | NO MANS LAND NORTH | 3,571 | 86 km |
| 2021 | CW SHARP TOP 1 | 3,539 | 89 km |
| 2024 | RX NO MANS LAND NORTH | 3,514 | 86 km |
| 2006 | UNNAMED | 3,501 | 79 km |
| 2024 | RX SHARP TOP 1 | 3,423 | 89 km |
| 2006 | SULPHUR MOUNTAIN | 3,050 | 79 km |
| 2007 | UNNAMED | 2,925 | 27 km |
| 2021 | MOUNT IDA 18 25 29 | 2,866 | 99 km |
| 2024 | RX FODDERSTACK_BLAYLOCK MTN EAST | 2,830 | 79 km |
| 2017 | UNNAMED | 2,442 | 97 km |
| 2019 | RX - EAST SALINE | 2,407 | 79 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 3.4 in | Coldest, Driest |
| February | 47°F (8°C) | 3.5 in | |
| March | 55°F (13°C) | 4.7 in | |
| April | 62°F (17°C) | 4.8 in | |
| May | 70°F (21°C) | 5.0 in | Wettest |
| June | 78°F (25°C) | 4.5 in | |
| July | 82°F (28°C) | 3.9 in | Warmest |
| August | 81°F (27°C) | 3.4 in | |
| September | 74°F (24°C) | 3.9 in | |
| October | 64°F (18°C) | 3.8 in | |
| November | 53°F (11°C) | 4.7 in | |
| December | 45°F (7°C) | 4.6 in |
McNab has a seasonal temperature swing of 39°F / from 42°F in January to 82°F in July. Total annual precipitation is 49.9 inches, with May being the wettest month (5.0") and January the driest (3.4").