Extreme Heat Warning — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX 8:00 PM

Miller County, Arkansas, United States

Last updated: 11:15 AM CDT  ·  Refresh
34°C
Feels like 39°
Clear
▲ 40°  /  ▼ 26°
Wind
6 mph NW
Humidity
49%
Dew Point
23°
Pressure
29.58 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
0%
Sunrise
6:20 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Miller County is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1601 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:22PM.

Alerts

Extreme Heat Warning
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX
Expires 8:00 PM
67 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
12 PM
36°
3%
1 PM
37°
3%
2 PM
38°
3%
3 PM
39°
3%
4 PM
39°
3%
5 PM
38°
3%
6 PM
38°
3%
7 PM
37°
3%
8 PM
36°
3%
9 PM
34°
3%
10 PM
32°
5%
11 PM
31°
5%
12 AM
30°
5%
1 AM
29°
5%
2 AM
29°
5%
3 AM
29°
5%
4 AM
28°
3%
5 AM
28°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
31°
3%
7-Day Forecast
Today
40° 26°
Clear.
Wed
37° 24°
Mostly Clear.
Thu
36° 21°
Partly Cloudy.
Fri
35° 23°
Partly Cloudy with a 24% chance of rain.
Sat
38° 24°
Clear.
Sun
39° 24°
Clear.
Mon
40° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 6 mph NW 49%
12 PM 36° Clear 3% 6 mph NW 43%
1 PM 37° Clear 3% 5 mph NW 40%
2 PM 38° Clear 3% 4 mph NW 40%
3 PM 39° Mostly Clear 3% 4 mph NNW 39%
4 PM 39° Mostly Clear 3% 4 mph NNW 39%
5 PM 38° Mostly Clear 3% 4 mph N 41%
6 PM 38° Clear 3% 4 mph N 43%
7 PM 37° Clear 3% 4 mph N 46%
8 PM 36° Clear 3% 2 mph N 49%
9 PM 34° Clear 3% 2 mph NW 51%
10 PM 32° Clear 5% 3 mph WSW 54%
11 PM 31° Clear 5% 3 mph WSW 58%
12 AM 30° Clear 5% 3 mph WSW 61%
1 AM 29° Clear 5% 4 mph WSW 64%
2 AM 29° Clear 5% 3 mph W 65%
3 AM 29° Clear 5% 4 mph WNW 67%
4 AM 28° Clear 3% 4 mph NNW 68%
5 AM 28° Clear 3% 5 mph N 71%
6 AM 26° Clear 3% 6 mph N 73%
7 AM 26° Clear 3% 7 mph NNE 74%
8 AM 27° Mostly Clear 3% 8 mph NNE 71%
9 AM 28° Mostly Clear 3% 9 mph NE 68%
10 AM 31° Mostly Clear 3% 10 mph NE 64%
15-Day Forecast
Today
7/21
Clear
5%
26°
40°
Wed
7/22
Mostly Clear
5%
24°
37°
Thu
7/23
Partly Cloudy
6%
21°
36°
Fri
7/24
Partly Cloudy
24%
23°
35°
Sat
7/25
Clear
16%
24°
38°
Sun
7/26
Clear
16%
24°
39°
Mon
7/27
Clear
8%
24°
40°
Tue
7/28
Clear
18%
25°
42°
Wed
7/29
Clear
44%
26°
42°
Thu
7/30
Clear
44%
26°
41°
Fri
7/31
Clear
60%
26°
41°
Sat
8/1
Drizzle
60%
24°
41°
Sun
8/2
Drizzle
60%
24°
39°
Mon
8/3
Drizzle
60%
23°
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 17.9 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 67 Moderate 40 67
Thu 59 Moderate 37 59
Fri 57 Moderate 33 57
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, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2018 J/kg
MLCAPE826 J/kg
MUCAPE2018 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear12 kt
0–1 km Shear4 kt
Eff. Shear18 kt
0–1 km SRH-0
0–3 km SRH-37
Eff. SRH-37
Storm Motion335° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.1
Thermo & Levels
PWAT1.86 in
0–3 km LR7.3 °C/km
700–500 LR5.4 °C/km
Total Totals43.6
LCL845 hPa
LFC1002 hPa
EL145 hPa
Freezing Lvl17,694 ft