Heat Advisory — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX 8:00 PM

Columbia County, Arkansas, United States

Last updated: 7:10 PM CDT  ·  Refresh
35°C
Feels like 38°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
6 mph SSW
Humidity
42%
Dew Point
19°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
2.6
Cloud Cover
11%
Sunrise
6:33 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Columbia County is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1911 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 8:01PM.

Alerts

Heat Advisory
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX
Expires 8:00 PM
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
3%
8 PM
34°
3%
9 PM
32°
3%
10 PM
30°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
27°
3%
5 AM
26°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
38°
3%
6 PM
36°
3%
7-Day Forecast
Tonight
37° 24°
Mostly Clear.
Thu
39° 24°
Clear.
Fri
38° 22°
Clear.
Sat
39° 24°
Clear.
Sun
42° 26°
Clear.
Mon
41° 27°
Clear.
Tue
41° 24°
Mostly Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 3% 6 mph SSW 42%
8 PM 34° Mostly Clear 3% 4 mph S 43%
9 PM 32° Clear 3% 5 mph S 46%
10 PM 30° Clear 3% 5 mph S 49%
11 PM 29° Clear 3% 6 mph S 52%
12 AM 28° Clear 3% 6 mph S 54%
1 AM 28° Clear 3% 8 mph SSW 58%
2 AM 28° Clear 3% 8 mph SSW 64%
3 AM 28° Clear 3% 8 mph SSW 69%
4 AM 27° Clear 3% 8 mph SSW 74%
5 AM 26° Clear 3% 7 mph SSW 77%
6 AM 24° Mostly Clear 3% 7 mph SSW 80%
7 AM 24° Mostly Clear 3% 7 mph SSW 82%
8 AM 26° Mostly Clear 3% 9 mph SW 75%
9 AM 28° Clear 3% 10 mph SW 68%
10 AM 29° Clear 3% 10 mph SW 61%
11 AM 31° Clear 3% 10 mph SW 54%
12 PM 32° Clear 3% 9 mph SW 47%
1 PM 33° Clear 3% 9 mph SW 41%
2 PM 37° Clear 3% 8 mph SW 38%
3 PM 37° Clear 3% 8 mph SW 36%
4 PM 37° Clear 3% 8 mph SSW 35%
5 PM 38° Mostly Clear 3% 7 mph SSW 36%
6 PM 36° Mostly Clear 3% 7 mph SSW 37%
15-Day Forecast
Today
8/12
Mostly Clear
3%
24°
37°
Thu
8/13
Clear
3%
24°
39°
Fri
8/14
Clear
3%
22°
38°
Sat
8/15
Clear
3%
24°
39°
Sun
8/16
Clear
7%
26°
42°
Mon
8/17
Clear
3%
27°
41°
Tue
8/18
Mostly Clear
31%
24°
41°
Wed
8/19
Mostly Clear
13%
26°
41°
Thu
8/20
Partly Cloudy
39%
23°
41°
Fri
8/21
Partly Cloudy
26%
22°
42°
Sat
8/22
Drizzle
60%
23°
41°
Sun
8/23
Drizzle
60%
24°
39°
Mon
8/24
Drizzle
60%
24°
38°
Tue
8/25
Drizzle
60%
23°
37°
Wed
8/26
Drizzle
60%
23°
37°
37
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
37 AQI 6.6 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 37 Good 33 37
Fri 46 Good 34 46
Sat 59 Moderate 36 59
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Aug 12, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1076 J/kg
MLCAPE629 J/kg
MUCAPE1076 J/kg
SBCIN-0 J/kg
MLCIN-0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear8 kt
0–1 km Shear6 kt
Eff. Shear7 kt
0–1 km SRH11
0–3 km SRH59
Eff. SRH59
Storm Motion3° @ 7 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.2
Thermo & Levels
PWAT1.59 in
0–3 km LR7.8 °C/km
700–500 LR5.7 °C/km
Total Totals43.9
LCL794 hPa
LFC968 hPa
EL181 hPa
Freezing Lvl16,608 ft