Columbia County, Arkansas, United States

Last updated: 3:00 PM CDT  ·  Refresh
38°C
Feels like 44°
Mostly Clear
▲ 38°  /  ▼ 25°
Wind
5 mph NNW
Humidity
43%
Dew Point
22°
Pressure
29.52 inHg
Visibility
10 mi
UV Index
9.0
Cloud Cover
30%
Sunrise
6:18 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Columbia County is currently mostly clear at 38°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2125 J/kg) — isolated convective development possible. Sunrise: 6:18AM · Sunset: 8:19PM.

Alerts

No active alerts for this location.
67 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
38°
3%
4 PM
38°
3%
5 PM
37°
3%
6 PM
37°
3%
7 PM
37°
3%
8 PM
35°
7%
9 PM
33°
14%
10 PM
31°
14%
11 PM
30°
17%
12 AM
29°
12%
1 AM
28°
13%
2 AM
28°
13%
3 AM
28°
13%
4 AM
27°
9%
5 AM
27°
10%
6 AM
25°
5%
7 AM
25°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
35°
3%
7-Day Forecast
Today
38° 25°
Mostly Clear.
Wed
37° 25°
Mostly Clear.
Thu
36° 23°
Partly Cloudy with a 26% chance of rain.
Fri
36° 24°
Mostly Clear with a 30% chance of rain.
Sat
38° 24°
Clear with a 25% chance of rain.
Sun
39° 24°
Clear.
Mon
41° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 38° Mostly Clear 3% 5 mph NNW 43%
4 PM 38° Partly Cloudy 3% 6 mph NNW 43%
5 PM 37° Partly Cloudy 3% 5 mph N 44%
6 PM 37° Partly Cloudy 3% 5 mph N 46%
7 PM 37° Mostly Clear 3% 5 mph NNE 48%
8 PM 35° Mostly Clear 7% 3 mph NNE 53%
9 PM 33° Mostly Clear 14% 3 mph N 57%
10 PM 31° Mostly Clear 14% 3 mph N 62%
11 PM 30° Mostly Clear 17% 3 mph W 65%
12 AM 29° Clear 12% 3 mph W 67%
1 AM 28° Clear 13% 3 mph WSW 69%
2 AM 28° Mostly Clear 13% 3 mph SSE 71%
3 AM 28° Mostly Clear 13% 3 mph SSE 73%
4 AM 27° Mostly Clear 9% 4 mph SSE 75%
5 AM 27° Mostly Clear 10% 4 mph N 76%
6 AM 25° Mostly Clear 5% 4 mph N 78%
7 AM 25° Mostly Clear 3% 4 mph N 79%
8 AM 26° Mostly Clear 3% 6 mph NNE 78%
9 AM 27° Mostly Clear 3% 7 mph NE 75%
10 AM 30° Mostly Clear 3% 8 mph NE 74%
11 AM 31° Mostly Clear 3% 8 mph NE 68%
12 PM 32° Clear 3% 9 mph NE 63%
1 PM 33° Clear 3% 9 mph NNE 58%
2 PM 35° Clear 3% 10 mph NE 54%
15-Day Forecast
Today
7/21
Mostly Clear
14%
25°
38°
Wed
7/22
Mostly Clear
13%
25°
37°
Thu
7/23
Partly Cloudy
26%
23°
36°
Fri
7/24
Mostly Clear
30%
24°
36°
Sat
7/25
Clear
25%
24°
38°
Sun
7/26
Clear
9%
24°
39°
Mon
7/27
Clear
9%
23°
41°
Tue
7/28
Clear
25%
24°
41°
Wed
7/29
Drizzle
60%
24°
39°
Thu
7/30
Drizzle
60%
24°
39°
Fri
7/31
Drizzle
42%
23°
38°
Sat
8/1
Drizzle
60%
23°
38°
Sun
8/2
Clear
60%
24°
38°
Mon
8/3
Drizzle
60%
24°
38°
Tue
8/4
Drizzle
60%
23°
38°
67
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
67 AQI 17.6 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 67 Moderate 35 67
Thu 56 Moderate 41 56
Fri 55 Moderate 34 55
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 Tue Jul 21, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2663 J/kg
MLCAPE1809 J/kg
MUCAPE2663 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear12 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH-7
0–3 km SRH-34
Eff. SRH-34
Storm Motion333° @ 22 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.6
Thermo & Levels
PWAT1.92 in
0–3 km LR8.7 °C/km
700–500 LR5.0 °C/km
Total Totals43.8
LCL803 hPa
LFC999 hPa
EL137 hPa
Freezing Lvl17,828 ft