Heat Advisory — Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR, Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR 9:00 PM Excessive Heat Warning — Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR, Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR 9:00 PM

Clark County, Arkansas, United States

Last updated: 4:48 PM CDT  ·  Refresh
38°C
Feels like 44°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
4 mph NNW
Humidity
43%
Dew Point
23°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
7.4
Cloud Cover
22%
Sunrise
6:16 AM
Sunset
8:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently mostly clear at 38°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2540 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 8:21PM.

Alerts

Heat Advisory
Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR, Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR
Expires 9:00 PM
Excessive Heat Warning
Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR, Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR
Expires 9:00 PM
62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
38°
5%
5 PM
37°
6%
6 PM
37°
12%
7 PM
35°
12%
8 PM
33°
9%
9 PM
31°
9%
10 PM
30°
9%
11 PM
29°
9%
12 AM
29°
8%
1 AM
28°
8%
2 AM
28°
8%
3 AM
27°
8%
4 AM
27°
5%
5 AM
25°
5%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
28°
3%
11 AM
31°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
7-Day Forecast
Today
38° 24°
Mostly Clear.
Wed
34° 24°
Clear.
Thu
33° 20°
Mostly Clear.
Fri
34° 22°
Mostly Cloudy with a 33% chance of rain.
Sat
37° 23°
Mostly Cloudy with a 21% chance of rain.
Sun
38° 24°
Mostly Clear.
Mon
39° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 38° Mostly Clear 5% 4 mph NNW 43%
5 PM 37° Mostly Clear 6% 4 mph NW 45%
6 PM 37° Mostly Clear 12% 3 mph NW 50%
7 PM 35° Mostly Clear 12% 3 mph WNW 55%
8 PM 33° Mostly Clear 9% 3 mph W 58%
9 PM 31° Mostly Clear 9% 3 mph W 61%
10 PM 30° Mostly Clear 9% 2 mph W 63%
11 PM 29° Mostly Clear 9% 3 mph NW 64%
12 AM 29° Mostly Clear 8% 3 mph NNW 66%
1 AM 28° Mostly Clear 8% 3 mph N 65%
2 AM 28° Mostly Clear 8% 4 mph N 64%
3 AM 27° Clear 8% 5 mph N 64%
4 AM 27° Clear 5% 7 mph NNE 67%
5 AM 25° Clear 5% 9 mph NE 71%
6 AM 24° Clear 3% 10 mph NE 73%
7 AM 25° Clear 3% 10 mph NE 69%
8 AM 26° Clear 3% 10 mph NE 65%
9 AM 28° Clear 3% 11 mph NE 61%
10 AM 28° Clear 3% 11 mph NE 57%
11 AM 31° Clear 3% 10 mph NE 53%
12 PM 31° Clear 3% 10 mph NE 49%
1 PM 33° Clear 3% 10 mph NE 47%
2 PM 33° Clear 3% 10 mph NE 45%
3 PM 33° Clear 3% 10 mph NE 43%
15-Day Forecast
Today
7/21
Mostly Clear
12%
24°
38°
Wed
7/22
Clear
8%
24°
34°
Thu
7/23
Mostly Clear
11%
20°
33°
Fri
7/24
Mostly Cloudy
33%
22°
34°
Sat
7/25
Mostly Cloudy
21%
23°
37°
Sun
7/26
Mostly Clear
3%
24°
38°
Mon
7/27
Clear
8%
24°
39°
Tue
7/28
Mostly Cloudy
43%
24°
39°
Wed
7/29
Clear
44%
24°
38°
Thu
7/30
Drizzle
50%
23°
37°
Fri
7/31
Partly Cloudy
40%
23°
37°
Sat
8/1
Drizzle
60%
23°
37°
Sun
8/2
Drizzle
60%
23°
37°
Mon
8/3
Drizzle
60%
23°
37°
Tue
8/4
Drizzle
60%
23°
36°
62
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
62 AQI 15.0 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 62 Moderate 31 62
Thu 55 Moderate 40 55
Fri 50 Good 44 50
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2992 J/kg
MLCAPE2052 J/kg
MUCAPE2992 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear3 kt
Eff. Shear12 kt
0–1 km SRH-5
0–3 km SRH-28
Eff. SRH-28
Storm Motion311° @ 19 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.6
Thermo & Levels
PWAT2.03 in
0–3 km LR8.5 °C/km
700–500 LR5.1 °C/km
Total Totals46.4
LCL812 hPa
LFC1000 hPa
EL134 hPa
Freezing Lvl17,539 ft