Heat Advisory — Garland, AR, Hot Spring, AR, Sharp, AR, Randolph, AR, Independence, AR, Lawrence, 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, 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: 12:11 AM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 36°  /  ▼ 23°
Wind
2 mph SSE
Humidity
71%
Dew Point
22°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
6:41 AM
Sunset
7:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1635 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 7:33PM.

Alerts

Heat Advisory
Garland, AR, Hot Spring, AR, Sharp, AR, Randolph, AR, Independence, AR, Lawrence, 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, Western and Northern Logan County, AR, Northwest Yell County, AR, Southern and Eastern Logan County, AR, Yell Excluding Northwest, AR
Expires 8:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
28°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
35°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
28°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Wed
37° 23°
Partly Cloudy.
Thu
37° 23°
Partly Cloudy.
Fri
36° 22°
Clear.
Sat
36° 21°
Clear.
Sun
38° 20°
Clear.
Mon
39° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 2 mph SSE 71%
1 AM 26° Mostly Clear 3% 4 mph S 72%
2 AM 26° Clear 3% 4 mph SSE 75%
3 AM 25° Clear 3% 4 mph SSE 77%
4 AM 25° Clear 3% 4 mph S 79%
5 AM 22° Clear 3% 4 mph S 81%
6 AM 22° Clear 3% 3 mph S 83%
7 AM 22° Clear 3% 2 mph SSE 83%
8 AM 24° Clear 3% 2 mph S 77%
9 AM 28° Clear 3% 2 mph SSW 68%
10 AM 31° Clear 3% 2 mph SSW 59%
11 AM 32° Clear 3% 2 mph SSE 54%
12 PM 33° Clear 3% 3 mph ESE 49%
1 PM 34° Clear 3% 4 mph ESE 44%
2 PM 35° Clear 3% 5 mph ESE 43%
3 PM 36° Mostly Clear 3% 5 mph ESE 41%
4 PM 36° Mostly Clear 3% 6 mph SE 41%
5 PM 36° Mostly Clear 3% 6 mph SE 43%
6 PM 35° Partly Cloudy 3% 5 mph SE 46%
7 PM 33° Partly Cloudy 3% 5 mph SE 51%
8 PM 32° Mostly Clear 3% 5 mph SE 54%
9 PM 30° Mostly Clear 3% 5 mph SE 55%
10 PM 29° Mostly Clear 3% 5 mph SE 57%
11 PM 28° Mostly Clear 3% 5 mph SSE 59%
15-Day Forecast
Today
9/1
Mostly Clear
3%
23°
36°
Wed
9/2
Partly Cloudy
3%
23°
37°
Thu
9/3
Partly Cloudy
8%
23°
37°
Fri
9/4
Clear
17%
22°
36°
Sat
9/5
Clear
19%
21°
36°
Sun
9/6
Clear
19%
20°
38°
Mon
9/7
Clear
9%
23°
39°
Tue
9/8
Clear
25%
23°
37°
Wed
9/9
Drizzle
60%
23°
40°
Thu
9/10
Drizzle
60%
24°
36°
Fri
9/11
Drizzle
60%
24°
36°
Sat
9/12
Drizzle
60%
22°
34°
Sun
9/13
Drizzle
60%
22°
33°
Mon
9/14
Drizzle
60%
21°
33°
Tue
9/15
Drizzle
60%
21°
33°
52
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
52 AQI 9.7 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 38 52
Wed 47 Good 39 47
Thu 49 Good 36 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 Sep 1, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE812 J/kg
MLCAPE836 J/kg
MUCAPE941 J/kg
SBCIN-366 J/kg
MLCIN-194 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear7 kt
0–1 km Shear12 kt
Eff. Shear10 kt
0–1 km SRH-25
0–3 km SRH-8
Eff. SRH16
Storm Motion126° @ 22 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.7
Thermo & Levels
PWAT1.67 in
0–3 km LR5.3 °C/km
700–500 LR5.1 °C/km
Total Totals43.4
LCL947 hPa
LFC558 hPa
EL197 hPa
Freezing Lvl17,434 ft