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: 2:42 PM CDT  ·  Refresh
37°C
Feels like 42°
Clear
▲ 39°  /  ▼ 23°
Wind
4 mph E
Humidity
42%
Dew Point
22°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
6%
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 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1793 J/kg) — isolated convective development possible. Sunrise: 6:53AM · Sunset: 7:33PM.

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 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
Expires 7:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
28%
3 PM
39°
5%
4 PM
38°
9%
5 PM
38°
8%
6 PM
37°
8%
7 PM
35°
8%
8 PM
33°
8%
9 PM
31°
8%
10 PM
30°
8%
11 PM
29°
8%
12 AM
28°
8%
1 AM
28°
9%
2 AM
27°
5%
3 AM
26°
5%
4 AM
26°
5%
5 AM
24°
5%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
32°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
35°
3%
1 PM
37°
3%
7-Day Forecast
Today
39° 23°
Clear with a 28% chance of rain.
Tue
40° 23°
Mostly Clear.
Wed
39° 23°
Clear.
Thu
37° 23°
Partly Cloudy with a 30% chance of rain.
Fri
37° 19°
Clear.
Sat
38° 19°
Clear.
Sun
38° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 28% 4 mph E 42%
3 PM 39° Mostly Clear 5% 5 mph ESE 37%
4 PM 38° Clear 9% 5 mph ESE 37%
5 PM 38° Clear 8% 5 mph E 39%
6 PM 37° Mostly Clear 8% 5 mph E 42%
7 PM 35° Clear 8% 5 mph E 46%
8 PM 33° Clear 8% 5 mph E 50%
9 PM 31° Clear 8% 6 mph E 53%
10 PM 30° Clear 8% 6 mph E 55%
11 PM 29° Clear 8% 6 mph E 56%
12 AM 28° Clear 8% 6 mph E 57%
1 AM 28° Clear 9% 5 mph E 57%
2 AM 27° Clear 5% 4 mph ENE 58%
3 AM 26° Clear 5% 4 mph ENE 59%
4 AM 26° Clear 5% 5 mph ENE 60%
5 AM 24° Clear 5% 4 mph ENE 61%
6 AM 23° Clear 3% 4 mph ENE 62%
7 AM 24° Clear 3% 4 mph ENE 60%
8 AM 26° Clear 3% 4 mph ENE 57%
9 AM 32° Clear 3% 3 mph E 54%
10 AM 33° Clear 3% 3 mph E 51%
11 AM 34° Clear 3% 3 mph E 48%
12 PM 35° Clear 3% 3 mph ESE 45%
1 PM 37° Clear 3% 3 mph ESE 43%
15-Day Forecast
Today
9/7
Clear
28%
23°
39°
Tue
9/8
Mostly Clear
7%
23°
40°
Wed
9/9
Clear
14%
23°
39°
Thu
9/10
Partly Cloudy
30%
23°
37°
Fri
9/11
Clear
19%
19°
37°
Sat
9/12
Clear
19%
19°
38°
Sun
9/13
Clear
19%
21°
38°
Mon
9/14
Clear
60%
21°
37°
Tue
9/15
Drizzle
60%
21°
36°
Wed
9/16
Drizzle
60%
18°
36°
Thu
9/17
Drizzle
60%
17°
33°
Fri
9/18
Drizzle
60%
18°
32°
Sat
9/19
Drizzle
60%
17°
31°
Sun
9/20
Drizzle
60%
17°
32°
Mon
9/21
Drizzle
60%
16°
32°
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, 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
SBCAPE2765 J/kg
MLCAPE2271 J/kg
MUCAPE2765 J/kg
SBCIN0 J/kg
MLCIN-21 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear11 kt
0–1 km Shear3 kt
Eff. Shear18 kt
0–1 km SRH-11
0–3 km SRH-13
Eff. SRH-13
Storm Motion37° @ 18 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.8
Thermo & Levels
PWAT2.00 in
0–3 km LR8.9 °C/km
700–500 LR5.6 °C/km
Total Totals49.0
LCL798 hPa
LFC995 hPa
EL148 hPa
Freezing Lvl15,282 ft