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Weather & Climate in Big Flat, AR

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Big Flat enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 77°F in July. The area gets 305 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 48.9 inches (wetter than the 38-inch national average). The area receives 6.7 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,295 feet.

Temperature

35°F Jan (2°C) 77°F Jul (25°C)
Annual Average56.6°F
5% above US avg
January Average35°F (2°C)
July Average77°F (25°C)
Sunny Days305 days/yr

Geography

Elevation1,295 ft (395 m)
Area1.1 sq mi (2.8 km²)
Population Density54/sq mi
Coordinates36.0034°N, 92.4102°W
TimezoneAmerica/Chicago
CountyBaxter County County
Nearest AirportMarion County Regional (FLP)
22 miles away

Precipitation & Snow

Annual Rainfall 48.9"
29% above US avg
Snowfall 6.7"
Wettest Month (May) 5.04"
Driest Month (Jan) 2.44"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score72.3 / 100
Social Vulnerability84.3 / 100
Community Resilience17.1 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Relatively Low
Wildfire Relatively Low
Flood Relatively Low
Hail Relatively Low
Strong Wind Relatively High
Heat Wave Relatively Low
Winter Weather Relatively Moderate
Lightning Relatively Moderate
Ice Storm Very High
Drought No Rating
Cold Wave Relatively Moderate
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

259 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.

Feb 28, 2011 4 km NE of Greenbrier, Arkansas M4.7 82 km 3 km
May 4, 2001 8 km NNW of Holland, Arkansas M4.3 85 km 8 km
Feb 18, 2011 4 km NNE of Greenbrier, Arkansas M4.1 82 km 6 km
Oct 21, 1999 9 km NW of Maynard, Arkansas M3.9 140 km 10 km
Aug 22, 2000 19 km WNW of Maynard, Arkansas M3.9 129 km 10 km
Jul 7, 1991 11 km ENE of Brandsville, Missouri M3.9 107 km 8 km
Apr 8, 2011 3 km NE of Greenbrier, Arkansas M3.9 83 km 6 km
Feb 18, 2011 3 km NNE of Greenbrier, Arkansas M3.9 83 km 5 km
Jun 4, 2014 3 km ESE of Fairfield Bay, Arkansas M3.8 49 km 0 km
Feb 17, 2011 4 km NNE of Greenbrier, Arkansas M3.8 82 km 6 km
Sep 12, 2019 13 km N of Big Flat, Arkansas M3.7 14 km 18 km
Apr 7, 2011 2 km NE of Greenbrier, Arkansas M3.7 84 km 6 km
Aug 16, 2003 5 km W of Thomasville, Missouri M3.7 114 km 0 km
Jun 11, 2017 6 km NNE of Bergman, Arkansas M3.6 67 km 6 km
Feb 20, 2011 3 km NNE of Greenbrier, Arkansas M3.6 83 km 5 km
Feb 28, 2011 4 km NNE of Greenbrier, Arkansas M3.6 82 km 4 km
Mar 9, 2011 1 km NW of Greenbrier, Arkansas M3.5 85 km 6 km
Mar 3, 2011 0 km N of Greenbrier, Arkansas M3.5 85 km 7 km
Feb 16, 2011 4 km NNE of Greenbrier, Arkansas M3.5 82 km 7 km
Feb 25, 2011 4 km NNE of Greenbrier, Arkansas M3.5 81 km 6 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

408 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 61 fatalities, 631 injuries.

Date Rating Distance Path Fatalities
Apr 14, 1996 EF4 21 km 44.0 mi 7
Mar 15, 1984 EF4 47 km 41.0 mi 2
Dec 24, 1982 EF4 74 km 63.0 mi 0
Apr 2, 1982 EF4 65 km 20.0 mi 2
May 15, 1968 EF4 93 km 0.3 mi 7
May 26, 2024 EF3 33 km 34.6 mi 1
May 26, 2024 EF3 61 km 21.6 mi 4
Apr 30, 2010 EF3 73 km 20.3 mi 1
May 2, 2008 EF3 79 km 45.3 mi 5
Mar 1, 2007 EF3 69 km 15.0 mi 1
Mar 5, 1999 EF3 61 km 10.0 mi 0
Jan 21, 1999 EF3 97 km 31.0 mi 0
Jan 21, 1999 EF3 89 km 19.0 mi 0
Mar 5, 1996 EF3 37 km 46.5 mi 0
Nov 15, 1988 EF3 83 km 29.0 mi 1
Nov 18, 1985 EF3 31 km 34.0 mi 3
Dec 23, 1982 EF3 57 km 14.0 mi 0
Dec 2, 1982 EF3 44 km 23.0 mi 0
Dec 2, 1982 EF3 97 km 24.0 mi 0
Dec 2, 1982 EF3 74 km 9.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (14,993 acres, 2007).

Year Name Acres Burned Distance
2007 UNNAMED 14,993 91 km
2007 DEAD HORSE 10,389 15 km
2004 LOWER WILD 10,034 14 km
2014 UNNAMED 9,368 92 km
2018 UNNAMED 9,226 55 km
2013 LOWER WILDERNESS RX 8,699 15 km
2003 UNNAMED 8,286 56 km
2007 UNNAMED 6,931 87 km
2021 SYL BIRMINGHAM 6,803 11 km
2011 UNNAMED 6,686 82 km
2017 UNNAMED 6,457 54 km
2010 BRUSHY/CLAYTON 6,401 87 km
2020 BIG CREEK 6,399 82 km
2001 UNNAMED 6,354 60 km
2010 LITTLE PINEY 5,782 91 km
2007 UNNAMED 5,504 80 km
2006 SULPHUR CREEK 2 5,469 69 km
2016 UNNAMED 5,118 57 km
2013 UNNAMED 4,912 57 km
2005 UNNAMED 4,900 87 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 35°F (2°C) 2.4 in Coldest, Driest
February 41°F (5°C) 3.1 in
March 49°F (10°C) 4.7 in
April 58°F (15°C) 4.1 in
May 66°F (19°C) 5.0 in Wettest
June 74°F (23°C) 3.7 in
July 77°F (25°C) 3.0 in
August 77°F (25°C) 3.3 in Warmest
September 70°F (21°C) 4.1 in
October 60°F (15°C) 3.5 in
November 49°F (9°C) 4.4 in
December 39°F (4°C) 4.0 in

Big Flat has a seasonal temperature swing of 42°F / from 35°F in January to 77°F in August. Total annual precipitation is 45.4 inches, with May being the wettest month (5.0") and January the driest (2.4").

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