Heat Advisory — Sharp, AR, Randolph, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Prairie, AR, Monroe, AR, Grant, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR, Fulton, AR, Stone, AR, Izard, AR, Van Buren County Higher Elevations, AR 8:00 PM Heat Advisory — 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, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR 8:00 PM Heat Advisory — Fulton, AR, Stone, AR, Izard, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR, Sharp, AR, Randolph, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Prairie, AR, Monroe, AR 8:00 PM Heat Advisory — Jackson, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Conway, AR, Grant, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR 8:00 PM

Jefferson County, Arkansas, United States

Last updated: 3:10 PM CDT  ·  Refresh
31°C
Feels like 34°
Heavy Rain
▲ 34°  /  ▼ 21°
Wind
9 mph NE
Humidity
55%
Dew Point
23°
Pressure
29.77 inHg
Visibility
7 mi
UV Index
6.3
Cloud Cover
74%
Sunrise
6:00 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently heavy rain at 31°C. Precipitation is likely — peak probability 59% around 3 PM. Atmospheric instability is elevated (CAPE up to 2303 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 8:23PM.

Alerts

Heat Advisory
Sharp, AR, Randolph, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Prairie, AR, Monroe, AR, Grant, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR, Fulton, AR, Stone, AR, Izard, AR, Van Buren County Higher Elevations, AR
Expires 8:00 PM
Heat Advisory
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, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR
Expires 8:00 PM
Heat Advisory
Fulton, AR, Stone, AR, Izard, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR, Sharp, AR, Randolph, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Prairie, AR, Monroe, AR
Expires 8:00 PM
Heat Advisory
Jackson, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Jefferson, AR, Arkansas, AR, Lincoln, AR, Desha, AR, Drew, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Conway, AR, Grant, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR
Expires 8:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
57%
4 PM
30°
53%
5 PM
29°
51%
6 PM
29°
41%
7 PM
28°
39%
8 PM
27°
22%
9 PM
27°
11%
10 PM
24°
7%
11 PM
24°
11%
12 AM
24°
16%
1 AM
24°
16%
2 AM
23°
34%
3 AM
23°
35%
4 AM
23°
35%
5 AM
23°
36%
6 AM
21°
36%
7 AM
21°
44%
8 AM
22°
43%
9 AM
23°
47%
10 AM
26°
48%
11 AM
26°
48%
12 PM
27°
52%
1 PM
28°
52%
2 PM
32°
58%
7-Day Forecast
Today
34° 21°
Heavy Rain, 57% chance.
Sun
34° 21°
Partly Cloudy with a 59% chance of rain.
Mon
33° 20°
Partly Cloudy with a 56% chance of rain.
Tue
34° 23°
Partly Cloudy with a 39% chance of rain.
Wed
34° 23°
Clear.
Thu
37° 24°
Drizzle, 43% chance.
Fri
34° 23°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Heavy Rain 57% 9 mph NE 55%
4 PM 30° Rain 53% 9 mph NNE 58%
5 PM 29° Rain 51% 7 mph SE 62%
6 PM 29° Rain 41% 7 mph S 67%
7 PM 28° Mostly Cloudy 39% 7 mph SSE 72%
8 PM 27° Mostly Cloudy 22% 5 mph SSE 75%
9 PM 27° Mostly Cloudy 11% 4 mph SSE 77%
10 PM 24° Mostly Cloudy 7% 6 mph S 80%
11 PM 24° Partly Cloudy 11% 4 mph S 83%
12 AM 24° Partly Cloudy 16% 3 mph SSW 84%
1 AM 24° Partly Cloudy 16% 3 mph SSW 86%
2 AM 23° Partly Cloudy 34% 3 mph WSW 87%
3 AM 23° Partly Cloudy 35% 3 mph WNW 87%
4 AM 23° Rain 35% 4 mph NW 87%
5 AM 23° Rain 36% 4 mph NW 87%
6 AM 21° Mostly Cloudy 36% 6 mph NW 87%
7 AM 21° Mostly Cloudy 44% 6 mph NW 87%
8 AM 22° Mostly Cloudy 43% 6 mph NW 81%
9 AM 23° Mostly Cloudy 47% 6 mph NW 75%
10 AM 26° Mostly Cloudy 48% 6 mph NW 70%
11 AM 26° Mostly Cloudy 48% 6 mph NW 66%
12 PM 27° Mostly Cloudy 52% 6 mph NW 62%
1 PM 28° Mostly Cloudy 52% 6 mph NW 58%
2 PM 32° Partly Cloudy 58% 6 mph WNW 60%
15-Day Forecast
Today
7/4
Heavy Rain
57%
21°
34°
Sun
7/5
Partly Cloudy
59%
21°
34°
Mon
7/6
Partly Cloudy
56%
20°
33°
Tue
7/7
Partly Cloudy
39%
23°
34°
Wed
7/8
Clear
16%
23°
34°
Thu
7/9
Drizzle
43%
24°
37°
Fri
7/10
Drizzle
53%
23°
34°
Sat
7/11
Drizzle
42%
24°
36°
Sun
7/12
Drizzle
68%
22°
36°
Mon
7/13
Drizzle
44%
22°
33°
Tue
7/14
Drizzle
60%
18°
33°
Wed
7/15
Clear
60%
21°
33°
Thu
7/16
Drizzle
60%
22°
33°
Fri
7/17
Drizzle
60%
22°
33°
Sat
7/18
Drizzle
60%
22°
33°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 55 Moderate 34 55
Mon 48 Good 32 48
Tue 49 Good 46 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 Sat Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2930 J/kg
MLCAPE2659 J/kg
MUCAPE3191 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.9
Kinematics
0–6 km Shear14 kt
0–1 km Shear7 kt
Eff. Shear14 kt
0–1 km SRH-27
0–3 km SRH-40
Eff. SRH-40
Storm Motion165° @ 14 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index44.1
Thermo & Levels
PWAT2.59 in
0–3 km LR7.2 °C/km
700–500 LR6.2 °C/km
Total Totals53.1
LCL900 hPa
LFC1008 hPa
EL155 hPa
Freezing Lvl14,708 ft