Heat Advisory — 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, Southern Johnson County, AR, Southern Pope 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, 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 Heat Advisory — Conway, AR, Faulkner, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, 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, Southern Johnson County, AR, Southern Pope 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, 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, White, AR, Woodruff, AR, Prairie, AR, Monroe, AR 9:00 PM

Jefferson County, Arkansas, United States

Last updated: 5:19 PM CDT  ·  Refresh
32°C
Feels like 41°
Mostly Cloudy
▲ 33°  /  ▼ 23°
Wind
4 mph NNW
Humidity
66%
Dew Point
25°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
5.0
Cloud Cover
67%
Sunrise
6:16 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently mostly cloudy at 32°C. Precipitation is likely — peak probability 52% around 1 AM. Atmospheric instability is elevated (CAPE up to 2600 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 8:11PM.

Alerts

Heat Advisory
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, Southern Johnson County, AR, Southern Pope 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, 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
Heat Advisory
Conway, AR, Faulkner, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, 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, Southern Johnson County, AR, Southern Pope 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, 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, White, AR, Woodruff, AR, Prairie, AR, Monroe, AR
Expires 9:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
31%
6 PM
32°
48%
7 PM
31°
47%
8 PM
30°
47%
9 PM
28°
49%
10 PM
27°
46%
11 PM
27°
46%
12 AM
26°
46%
1 AM
26°
52%
2 AM
26°
38%
3 AM
25°
36%
4 AM
25°
33%
5 AM
23°
22%
6 AM
23°
14%
7 AM
23°
14%
8 AM
24°
23%
9 AM
27°
24%
10 AM
28°
24%
11 AM
29°
25%
12 PM
31°
25%
1 PM
33°
22%
2 PM
33°
28%
3 PM
33°
32%
4 PM
33°
32%
7-Day Forecast
Today
33° 23°
Mostly Cloudy with a 47% chance of rain.
Thu
36° 23°
Partly Cloudy with a 38% chance of rain.
Fri
38° 24°
Mostly Cloudy with a 45% chance of rain.
Sat
35° 23°
Partly Cloudy with a 29% chance of rain.
Sun
32° 21°
Clear.
Mon
34° 19°
Clear with a 30% chance of rain.
Tue
36° 20°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Cloudy 31% 4 mph NNW 66%
6 PM 32° Mostly Cloudy 48% 2 mph N 65%
7 PM 31° Mostly Cloudy 47% 3 mph N 69%
8 PM 30° Partly Cloudy 47% 3 mph NNE 75%
9 PM 28° Partly Cloudy 49% 3 mph NNE 80%
10 PM 27° Mostly Cloudy 46% 4 mph NNE 83%
11 PM 27° Partly Cloudy 46% 4 mph NE 85%
12 AM 26° Mostly Cloudy 46% 4 mph NNE 86%
1 AM 26° Mostly Cloudy 52% 4 mph NNE 87%
2 AM 26° Mostly Cloudy 38% 4 mph NNE 86%
3 AM 25° Mostly Cloudy 36% 4 mph NNE 86%
4 AM 25° Mostly Cloudy 33% 4 mph NE 86%
5 AM 23° Partly Cloudy 22% 4 mph NE 86%
6 AM 23° Partly Cloudy 14% 4 mph NE 86%
7 AM 23° Partly Cloudy 14% 4 mph NE 83%
8 AM 24° Partly Cloudy 23% 4 mph NE 77%
9 AM 27° Mostly Clear 24% 4 mph NE 71%
10 AM 28° Mostly Clear 24% 4 mph NE 66%
11 AM 29° Mostly Clear 25% 4 mph NE 60%
12 PM 31° Mostly Clear 25% 4 mph NE 55%
1 PM 33° Mostly Clear 22% 4 mph NNE 52%
2 PM 33° Mostly Clear 28% 5 mph NNE 50%
3 PM 33° Mostly Clear 32% 5 mph NNE 50%
4 PM 33° Partly Cloudy 32% 5 mph NNE 49%
15-Day Forecast
Today
7/29
Mostly Cloudy
47%
23°
33°
Thu
7/30
Partly Cloudy
38%
23°
36°
Fri
7/31
Mostly Cloudy
45%
24°
38°
Sat
8/1
Partly Cloudy
29%
23°
35°
Sun
8/2
Clear
8%
21°
32°
Mon
8/3
Clear
30%
19°
34°
Tue
8/4
Clear
31%
20°
36°
Wed
8/5
Clear
43%
22°
37°
Thu
8/6
Clear
44%
23°
38°
Fri
8/7
Drizzle
51%
23°
38°
Sat
8/8
Drizzle
60%
23°
38°
Sun
8/9
Clear
60%
25°
38°
Mon
8/10
Drizzle
60%
25°
39°
Tue
8/11
Clear
60%
25°
38°
Wed
8/12
Clear
60%
25°
38°
54
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
54 AQI 10.9 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 54 Moderate 37 54
Fri 63 Moderate 45 63
Sat 66 Moderate 33 66
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3209 J/kg
MLCAPE2958 J/kg
MUCAPE3405 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear17 kt
0–1 km Shear6 kt
Eff. Shear20 kt
0–1 km SRH16
0–3 km SRH-20
Eff. SRH-20
Storm Motion285° @ 17 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index40.3
Thermo & Levels
PWAT2.65 in
0–3 km LR6.9 °C/km
700–500 LR5.7 °C/km
Total Totals48.0
LCL899 hPa
LFC1003 hPa
EL128 hPa
Freezing Lvl16,772 ft