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

Hempstead County, Arkansas, United States

Last updated: 11:15 AM CDT  ·  Refresh
33°C
Feels like 39°
Clear
▲ 39°  /  ▼ 26°
Wind
5 mph WNW
Humidity
56%
Dew Point
25°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
0%
Sunrise
6:19 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hempstead County is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2345 J/kg) — isolated convective development possible. Sunrise: 6:19AM · 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
65 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
12 PM
34°
7%
1 PM
37°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
38°
3%
6 PM
37°
3%
7 PM
37°
3%
8 PM
35°
3%
9 PM
33°
3%
10 PM
32°
5%
11 PM
31°
5%
12 AM
30°
5%
1 AM
29°
5%
2 AM
28°
5%
3 AM
28°
5%
4 AM
28°
3%
5 AM
26°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
7-Day Forecast
Today
39° 26°
Mostly Clear.
Wed
37° 24°
Clear.
Thu
35° 21°
Mostly Clear.
Fri
34° 23°
Partly Cloudy with a 53% chance of rain.
Sat
37° 23°
Clear with a 50% chance of rain.
Sun
38° 23°
Clear.
Mon
39° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 5 mph WNW 56%
12 PM 34° Clear 7% 5 mph WNW 49%
1 PM 37° Clear 3% 4 mph WNW 44%
2 PM 37° Mostly Clear 3% 4 mph NW 43%
3 PM 38° Mostly Clear 3% 4 mph NNW 42%
4 PM 38° Mostly Clear 3% 4 mph N 42%
5 PM 38° Mostly Clear 3% 3 mph N 44%
6 PM 37° Mostly Clear 3% 3 mph NNW 46%
7 PM 37° Mostly Clear 3% 3 mph NW 50%
8 PM 35° Mostly Clear 3% 3 mph WNW 52%
9 PM 33° Mostly Clear 3% 3 mph W 53%
10 PM 32° Mostly Clear 5% 3 mph W 55%
11 PM 31° Mostly Clear 5% 3 mph W 57%
12 AM 30° Mostly Clear 5% 3 mph W 60%
1 AM 29° Mostly Clear 5% 3 mph W 62%
2 AM 28° Mostly Clear 5% 3 mph NW 66%
3 AM 28° Clear 5% 4 mph N 69%
4 AM 28° Clear 3% 5 mph NNE 72%
5 AM 26° Clear 3% 6 mph NNE 72%
6 AM 26° Clear 3% 7 mph NNE 72%
7 AM 26° Clear 3% 8 mph NE 71%
8 AM 26° Clear 3% 8 mph NE 69%
9 AM 28° Mostly Clear 3% 9 mph NE 66%
10 AM 29° Mostly Clear 3% 9 mph NE 63%
15-Day Forecast
Today
7/21
Mostly Clear
5%
26°
39°
Wed
7/22
Clear
5%
24°
37°
Thu
7/23
Mostly Clear
6%
21°
35°
Fri
7/24
Partly Cloudy
53%
23°
34°
Sat
7/25
Clear
50%
23°
37°
Sun
7/26
Clear
16%
23°
38°
Mon
7/27
Clear
8%
23°
39°
Tue
7/28
Clear
43%
23°
41°
Wed
7/29
Clear
44%
24°
41°
Thu
7/30
Clear
21%
24°
40°
Fri
7/31
Clear
25%
25°
39°
Sat
8/1
Drizzle
60%
24°
39°
Sun
8/2
Drizzle
60%
24°
38°
Mon
8/3
Drizzle
60%
23°
37°
Tue
8/4
Drizzle
60%
23°
37°
65
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
65 AQI 16.6 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 65 Moderate 36 65
Thu 58 Moderate 42 58
Fri 56 Moderate 40 56
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
SBCAPE3461 J/kg
MLCAPE1747 J/kg
MUCAPE3461 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear5 kt
Eff. Shear17 kt
0–1 km SRH-8
0–3 km SRH-33
Eff. SRH-33
Storm Motion330° @ 22 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.4
Thermo & Levels
PWAT1.94 in
0–3 km LR7.1 °C/km
700–500 LR5.4 °C/km
Total Totals44.0
LCL878 hPa
LFC1000 hPa
EL124 hPa
Freezing Lvl17,713 ft