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

Dallas County, Arkansas, United States

Last updated: 4:49 PM CDT  ·  Refresh
37°C
Feels like 42°
Clear
▲ 37°  /  ▼ 23°
Wind
3 mph NNW
Humidity
42%
Dew Point
23°
Pressure
29.50 inHg
Visibility
10 mi
UV Index
7.4
Cloud Cover
8%
Sunrise
6:14 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dallas County is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2481 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 8:19PM.

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
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
5%
5 PM
37°
6%
6 PM
37°
9%
7 PM
35°
20%
8 PM
33°
19%
9 PM
31°
17%
10 PM
29°
17%
11 PM
29°
17%
12 AM
28°
8%
1 AM
27°
8%
2 AM
27°
8%
3 AM
26°
8%
4 AM
26°
5%
5 AM
24°
5%
6 AM
23°
3%
7 AM
24°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
27°
3%
11 AM
29°
3%
12 PM
30°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
7-Day Forecast
Today
37° 23°
Mostly Clear with a 20% chance of rain.
Wed
34° 23°
Clear.
Thu
33° 20°
Mostly Clear.
Fri
33° 22°
Mostly Cloudy with a 33% chance of rain.
Sat
36° 23°
Overcast with a 27% chance of rain.
Sun
38° 24°
Mostly Clear.
Mon
39° 24°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 5% 3 mph NNW 42%
5 PM 37° Mostly Clear 6% 3 mph N 43%
6 PM 37° Mostly Clear 9% 2 mph NNW 46%
7 PM 35° Mostly Clear 20% 2 mph W 50%
8 PM 33° Mostly Clear 19% 2 mph WSW 54%
9 PM 31° Mostly Clear 17% 3 mph SW 57%
10 PM 29° Mostly Clear 17% 3 mph SW 63%
11 PM 29° Mostly Clear 17% 2 mph SSE 68%
12 AM 28° Mostly Clear 8% 2 mph SSE 73%
1 AM 27° Mostly Clear 8% 3 mph SSE 76%
2 AM 27° Mostly Clear 8% 4 mph ESE 78%
3 AM 26° Mostly Clear 8% 4 mph E 79%
4 AM 26° Mostly Clear 5% 5 mph NNE 79%
5 AM 24° Mostly Clear 5% 7 mph NE 78%
6 AM 23° Clear 3% 9 mph NE 77%
7 AM 24° Clear 3% 10 mph NE 71%
8 AM 25° Clear 3% 10 mph NE 66%
9 AM 27° Clear 3% 11 mph NE 62%
10 AM 27° Clear 3% 11 mph NE 57%
11 AM 29° Clear 3% 10 mph NE 54%
12 PM 30° Clear 3% 10 mph NE 50%
1 PM 32° Clear 3% 10 mph NE 48%
2 PM 32° Clear 3% 10 mph NE 46%
3 PM 32° Clear 3% 10 mph NE 45%
15-Day Forecast
Today
7/21
Mostly Clear
20%
23°
37°
Wed
7/22
Clear
8%
23°
34°
Thu
7/23
Mostly Clear
11%
20°
33°
Fri
7/24
Mostly Cloudy
33%
22°
33°
Sat
7/25
Overcast
27%
23°
36°
Sun
7/26
Mostly Clear
10%
24°
38°
Mon
7/27
Mostly Clear
8%
24°
39°
Tue
7/28
Partly Cloudy
43%
24°
38°
Wed
7/29
Rain
65%
24°
37°
Thu
7/30
Drizzle
60%
23°
37°
Fri
7/31
Drizzle
60%
23°
36°
Sat
8/1
Drizzle
60%
23°
36°
Sun
8/2
Drizzle
60%
23°
36°
Mon
8/3
Drizzle
60%
23°
36°
Tue
8/4
Drizzle
60%
23°
36°
63
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
63 AQI 15.7 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 63 Moderate 32 63
Thu 54 Moderate 44 54
Fri 51 Moderate 43 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, 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
SBCAPE2906 J/kg
MLCAPE2051 J/kg
MUCAPE2906 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear14 kt
0–1 km Shear5 kt
Eff. Shear13 kt
0–1 km SRH-6
0–3 km SRH-23
Eff. SRH-23
Storm Motion310° @ 19 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.6
Thermo & Levels
PWAT2.09 in
0–3 km LR8.4 °C/km
700–500 LR4.9 °C/km
Total Totals46.1
LCL817 hPa
LFC999 hPa
EL135 hPa
Freezing Lvl17,690 ft