Extreme Heat Warning — Sharp, AR, Randolph, AR, Independence, AR, Lawrence, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Pope County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR 9:00 PM

White County, Arkansas, United States

Last updated: 11:15 AM CDT  ·  Refresh
34°C
Feels like 42°
Clear
▲ 38°  /  ▼ 23°
Wind
5 mph NW
Humidity
56%
Dew Point
25°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
6%
Sunrise
6:07 AM
Sunset
8:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: White County is currently clear at 35°C. Precipitation is likely — peak probability 52% around 9 PM. Atmospheric instability is elevated (CAPE up to 2721 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 8:18PM.

Alerts

Extreme Heat Warning
Sharp, AR, Randolph, AR, Independence, AR, Lawrence, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Pope County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR
Expires 9:00 PM
65 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
12 PM
36°
14%
1 PM
37°
16%
2 PM
38°
19%
3 PM
38°
19%
4 PM
38°
27%
5 PM
38°
27%
6 PM
37°
28%
7 PM
36°
37%
8 PM
34°
37%
9 PM
32°
51%
10 PM
31°
37%
11 PM
29°
43%
12 AM
28°
19%
1 AM
27°
7%
2 AM
27°
7%
3 AM
26°
7%
4 AM
26°
7%
5 AM
23°
7%
6 AM
23°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
28°
3%
7-Day Forecast
Today
38° 23°
Mostly Clear with a 43% chance of rain.
Wed
32° 21°
Clear.
Thu
29° 18°
Mostly Cloudy.
Fri
31° 20°
Partly Cloudy with a 57% chance of rain.
Sat
34° 19°
Rain, 57% chance.
Sun
38° 24°
Clear.
Mon
39° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 5 mph NW 56%
12 PM 36° Mostly Clear 14% 5 mph NW 48%
1 PM 37° Mostly Clear 16% 4 mph NW 44%
2 PM 38° Partly Cloudy 19% 4 mph NW 43%
3 PM 38° Partly Cloudy 19% 4 mph NW 42%
4 PM 38° Partly Cloudy 27% 4 mph NNW 42%
5 PM 38° Partly Cloudy 27% 3 mph NNW 45%
6 PM 37° Mostly Clear 28% 4 mph E 48%
7 PM 36° Mostly Clear 37% 5 mph SSE 51%
8 PM 34° Mostly Clear 37% 4 mph E 56%
9 PM 32° Rain 51% 6 mph NNE 60%
10 PM 31° Partly Cloudy 37% 7 mph NNE 66%
11 PM 29° Mostly Cloudy 43% 7 mph NNE 74%
12 AM 28° Mostly Cloudy 19% 6 mph NNE 81%
1 AM 27° Mostly Cloudy 7% 8 mph NNE 85%
2 AM 27° Partly Cloudy 7% 8 mph NNE 83%
3 AM 26° Partly Cloudy 7% 9 mph NNE 80%
4 AM 26° Mostly Clear 7% 10 mph NNE 78%
5 AM 23° Mostly Clear 7% 10 mph NNE 78%
6 AM 23° Mostly Clear 3% 10 mph NNE 78%
7 AM 23° Mostly Clear 3% 10 mph NE 76%
8 AM 24° Clear 3% 11 mph NE 72%
9 AM 27° Clear 3% 11 mph NE 67%
10 AM 28° Clear 3% 11 mph NE 62%
15-Day Forecast
Today
7/21
Mostly Clear
43%
23°
38°
Wed
7/22
Clear
7%
21°
32°
Thu
7/23
Mostly Cloudy
3%
18°
29°
Fri
7/24
Partly Cloudy
57%
20°
31°
Sat
7/25
Rain
57%
19°
34°
Sun
7/26
Clear
8%
24°
38°
Mon
7/27
Clear
8%
24°
39°
Tue
7/28
Clear
18%
24°
39°
Wed
7/29
Clear
44%
22°
37°
Thu
7/30
Clear
36%
23°
40°
Fri
7/31
Drizzle
60%
24°
37°
Sat
8/1
Clear
25%
23°
36°
Sun
8/2
Drizzle
60%
22°
36°
Mon
8/3
Drizzle
60%
22°
34°
Tue
8/4
Drizzle
60%
22°
34°
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 16.5 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 65 Moderate 33 65
Thu 54 Moderate 39 54
Fri 51 Moderate 34 51
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
SBCAPE3937 J/kg
MLCAPE2603 J/kg
MUCAPE3937 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear7 kt
0–1 km Shear8 kt
Eff. Shear11 kt
0–1 km SRH-29
0–3 km SRH-34
Eff. SRH-34
Storm Motion287° @ 19 kt
0–1 km EHI-0.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.1
Thermo & Levels
PWAT2.00 in
0–3 km LR7.4 °C/km
700–500 LR5.8 °C/km
Total Totals44.1
LCL870 hPa
LFC1001 hPa
EL126 hPa
Freezing Lvl17,037 ft