Heat Advisory — Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, 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, Cleveland, AR, Lincoln, AR, Desha, 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, Boone County Higher Elevations, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR 9:00 PM

Jefferson County, Arkansas, United States

Last updated: 5:14 AM CDT  ·  Refresh
24°C
Feels like 27°
Clear
▲ 36°  /  ▼ 25°
Wind
6 mph SSW
Humidity
83%
Dew Point
22°
Pressure
29.84 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:26 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1826 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:59PM.

Alerts

Heat Advisory
Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, 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, Cleveland, AR, Lincoln, AR, Desha, 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, Boone County Higher Elevations, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR
Expires 9:00 PM
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
29°
10%
11 AM
31°
10%
12 PM
32°
10%
1 PM
34°
10%
2 PM
35°
10%
3 PM
36°
10%
4 PM
36°
3%
5 PM
35°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
10 PM
29°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
7-Day Forecast
Today
36° 25°
Clear.
Wed
39° 25°
Mostly Clear.
Thu
40° 24°
Clear.
Fri
39° 23°
Clear.
Sat
41° 23°
Mostly Clear.
Sun
42° 24°
Mostly Clear.
Mon
42° 25°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 6 mph SSW 83%
6 AM 22° Clear 3% 6 mph SSW 82%
7 AM 22° Clear 3% 7 mph SSW 81%
8 AM 24° Clear 3% 8 mph SW 74%
9 AM 27° Clear 3% 9 mph SW 68%
10 AM 29° Clear 10% 9 mph SW 61%
11 AM 31° Clear 10% 9 mph SW 55%
12 PM 32° Clear 10% 9 mph SW 50%
1 PM 34° Mostly Clear 10% 10 mph SW 46%
2 PM 35° Mostly Clear 10% 10 mph SW 44%
3 PM 36° Mostly Clear 10% 10 mph SW 41%
4 PM 36° Mostly Clear 3% 10 mph SW 40%
5 PM 35° Mostly Clear 3% 10 mph SW 41%
6 PM 34° Clear 3% 9 mph SW 42%
7 PM 33° Clear 3% 8 mph SW 45%
8 PM 32° Clear 3% 7 mph SSW 49%
9 PM 31° Clear 3% 6 mph SSW 53%
10 PM 29° Clear 3% 6 mph SSW 56%
11 PM 29° Clear 3% 6 mph SSW 58%
12 AM 28° Clear 3% 7 mph SSW 60%
1 AM 28° Clear 3% 7 mph SSW 62%
2 AM 28° Clear 3% 7 mph SSW 63%
3 AM 27° Clear 3% 8 mph SSW 64%
4 AM 27° Clear 3% 8 mph SW 65%
15-Day Forecast
Today
8/11
Clear
10%
25°
36°
Wed
8/12
Mostly Clear
5%
25°
39°
Thu
8/13
Clear
7%
24°
40°
Fri
8/14
Clear
7%
23°
39°
Sat
8/15
Mostly Clear
3%
23°
41°
Sun
8/16
Mostly Clear
3%
24°
42°
Mon
8/17
Mostly Clear
19%
25°
42°
Tue
8/18
Drizzle
47%
24°
41°
Wed
8/19
Clear
35%
24°
41°
Thu
8/20
Clear
35%
24°
39°
Fri
8/21
Clear
60%
24°
39°
Sat
8/22
Drizzle
60%
24°
39°
Sun
8/23
Drizzle
60%
23°
38°
Mon
8/24
Drizzle
60%
23°
38°
Tue
8/25
Drizzle
60%
23°
37°
42
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
42 AQI 7.6 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 34 42
Wed 41 Good 32 41
Thu 49 Good 33 49
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 Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE693 J/kg
MLCAPE479 J/kg
MUCAPE1234 J/kg
SBCIN-280 J/kg
MLCIN0 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear11 kt
0–1 km Shear10 kt
Eff. Shear12 kt
0–1 km SRH32
0–3 km SRH22
Eff. SRH5
Storm Motion310° @ 10 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.4
Thermo & Levels
PWAT1.80 in
0–3 km LR4.2 °C/km
700–500 LR6.3 °C/km
Total Totals46.6
LCL980 hPa
LFC673 hPa
EL222 hPa
Freezing Lvl15,522 ft