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 7:00 PM 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 7:00 PM

Howard County, Arkansas, United States

Last updated: 12:59 PM CDT  ·  Refresh
35°C
Feels like 39°
Clear
▲ 39°  /  ▼ 23°
Wind
4 mph ESE
Humidity
46%
Dew Point
22°
Pressure
29.42 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
0%
Sunrise
6:53 AM
Sunset
7:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Howard County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1837 J/kg) — isolated convective development possible. Sunrise: 6:53AM · Sunset: 7:33PM.

55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
7%
1 PM
38°
5%
2 PM
39°
6%
3 PM
39°
7%
4 PM
38°
11%
5 PM
38°
8%
6 PM
36°
8%
7 PM
34°
8%
8 PM
33°
8%
9 PM
31°
8%
10 PM
30°
8%
11 PM
29°
9%
12 AM
29°
9%
1 AM
28°
9%
2 AM
27°
9%
3 AM
27°
9%
4 AM
26°
5%
5 AM
24°
5%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
31°
3%
10 AM
32°
3%
11 AM
33°
3%
7-Day Forecast
Today
39° 23°
Clear.
Tue
40° 24°
Mostly Clear.
Wed
39° 22°
Clear.
Thu
37° 23°
Partly Cloudy with a 21% chance of rain.
Fri
37° 19°
Clear.
Sat
38° 19°
Clear.
Sun
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Clear 7% 4 mph ESE 46%
1 PM 38° Clear 5% 4 mph ESE 41%
2 PM 39° Mostly Clear 6% 4 mph E 39%
3 PM 39° Mostly Clear 7% 5 mph E 36%
4 PM 38° Mostly Clear 11% 5 mph ESE 38%
5 PM 38° Clear 8% 5 mph E 40%
6 PM 36° Mostly Clear 8% 5 mph E 43%
7 PM 34° Clear 8% 5 mph E 47%
8 PM 33° Clear 8% 6 mph E 50%
9 PM 31° Clear 8% 6 mph ENE 54%
10 PM 30° Clear 8% 8 mph E 55%
11 PM 29° Clear 9% 7 mph E 56%
12 AM 29° Mostly Clear 9% 6 mph E 57%
1 AM 28° Mostly Clear 9% 5 mph E 58%
2 AM 27° Mostly Clear 9% 5 mph ENE 59%
3 AM 27° Clear 9% 5 mph ENE 60%
4 AM 26° Clear 5% 5 mph ENE 61%
5 AM 24° Clear 5% 5 mph ENE 62%
6 AM 24° Clear 3% 4 mph ENE 63%
7 AM 26° Clear 3% 4 mph ENE 61%
8 AM 27° Clear 3% 4 mph E 58%
9 AM 31° Clear 3% 4 mph E 56%
10 AM 32° Clear 3% 4 mph E 53%
11 AM 33° Clear 3% 4 mph E 50%
15-Day Forecast
Today
9/7
Clear
8%
23°
39°
Tue
9/8
Mostly Clear
9%
24°
40°
Wed
9/9
Clear
14%
22°
39°
Thu
9/10
Partly Cloudy
21%
23°
37°
Fri
9/11
Clear
19%
19°
37°
Sat
9/12
Clear
19%
19°
38°
Sun
9/13
Clear
19%
21°
37°
Mon
9/14
Drizzle
60%
21°
37°
Tue
9/15
Drizzle
60%
21°
37°
Wed
9/16
Drizzle
60%
18°
36°
Thu
9/17
Drizzle
60%
17°
36°
Fri
9/18
Drizzle
60%
19°
33°
Sat
9/19
Drizzle
60%
19°
33°
Sun
9/20
Drizzle
60%
18°
33°
Mon
9/21
Drizzle
60%
18°
33°
55
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
55 AQI 11.4 µg/m³
O3
Ground-level ozone
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 55 Moderate 44 55
Wed 54 Moderate 40 54
Thu 53 Moderate 46 53
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 Mon Sep 7, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2601 J/kg
MLCAPE1944 J/kg
MUCAPE2601 J/kg
SBCIN-18 J/kg
MLCIN-75 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear7 kt
0–1 km Shear4 kt
Eff. Shear17 kt
0–1 km SRH3
0–3 km SRH-4
Eff. SRH-4
Storm Motion45° @ 19 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.4
Thermo & Levels
PWAT1.98 in
0–3 km LR8.3 °C/km
700–500 LR5.8 °C/km
Total Totals49.0
LCL824 hPa
LFC789 hPa
EL149 hPa
Freezing Lvl15,351 ft