Heat Advisory — Cleburne, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR 8:00 PM

Jefferson County, Arkansas, United States

Last updated: 4:50 PM CDT  ·  Refresh
93°F
Feels like 101°
Partly Cloudy
▲ 98°  /  ▼ 73°
Wind
5 mph N
Humidity
51%
Dew Point
69°
Pressure
29.75 inHg
Visibility
10 mi
UV Index
6.0
Cloud Cover
32%
Sunrise
6:49 AM
Sunset
7:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently partly cloudy at 93°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1776 J/kg) — isolated convective development possible. Sunrise: 6:49AM · Sunset: 7:16PM.

Alerts

Heat Advisory
Cleburne, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR
Expires 8:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
93°
26%
5 PM
92°
23%
6 PM
89°
19%
7 PM
87°
12%
8 PM
86°
12%
9 PM
82°
12%
10 PM
81°
9%
11 PM
80°
9%
12 AM
79°
8%
1 AM
78°
8%
2 AM
77°
8%
3 AM
76°
8%
4 AM
76°
8%
5 AM
73°
8%
6 AM
73°
8%
7 AM
76°
23%
8 AM
78°
24%
9 AM
81°
24%
10 AM
83°
21%
11 AM
88°
21%
12 PM
90°
22%
1 PM
95°
24%
2 PM
95°
29%
3 PM
95°
32%
7-Day Forecast
Today
98° 73°
Partly Cloudy with a 26% chance of rain.
Mon
103° 73°
Mostly Clear with a 36% chance of rain.
Tue
102° 75°
Mostly Clear.
Wed
100° 75°
Mostly Clear.
Thu
99° 75°
Clear.
Fri
100° 73°
Mostly Clear.
Sat
99° 73°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 93° Partly Cloudy 26% 5 mph N 51%
5 PM 92° Partly Cloudy 23% 7 mph N 58%
6 PM 89° Partly Cloudy 19% 5 mph NNE 63%
7 PM 87° Partly Cloudy 12% 4 mph NE 66%
8 PM 86° Partly Cloudy 12% 4 mph ENE 69%
9 PM 82° Partly Cloudy 12% 5 mph SSE 72%
10 PM 81° Partly Cloudy 9% 4 mph SSW 75%
11 PM 80° Partly Cloudy 9% 3 mph NNW 77%
12 AM 79° Partly Cloudy 8% 3 mph NNW 79%
1 AM 78° Partly Cloudy 8% 3 mph NNE 81%
2 AM 77° Mostly Clear 8% 3 mph NNE 82%
3 AM 76° Mostly Clear 8% 4 mph NNE 85%
4 AM 76° Mostly Clear 8% 4 mph NNE 85%
5 AM 73° Partly Cloudy 8% 3 mph NNE 85%
6 AM 73° Mostly Clear 8% 3 mph NNE 84%
7 AM 76° Mostly Clear 23% 3 mph NE 80%
8 AM 78° Clear 24% 3 mph NE 73%
9 AM 81° Mostly Clear 24% 3 mph ENE 68%
10 AM 83° Mostly Clear 21% 3 mph ENE 64%
11 AM 88° Mostly Clear 21% 3 mph E 59%
12 PM 90° Mostly Clear 22% 3 mph E 54%
1 PM 95° Mostly Clear 24% 3 mph ESE 53%
2 PM 95° Mostly Clear 29% 4 mph ESE 52%
3 PM 95° Partly Cloudy 32% 4 mph SE 50%
15-Day Forecast
Today
9/13
Partly Cloudy
26%
73°
98°
Mon
9/14
Mostly Clear
36%
73°
103°
Tue
9/15
Mostly Clear
12%
75°
102°
Wed
9/16
Mostly Clear
7%
75°
100°
Thu
9/17
Clear
8%
75°
99°
Fri
9/18
Mostly Clear
11%
73°
100°
Sat
9/19
Clear
17%
73°
99°
Sun
9/20
Partly Cloudy
60%
70°
95°
Mon
9/21
Drizzle
60%
68°
92°
Tue
9/22
Drizzle
60%
66°
90°
Wed
9/23
Drizzle
67%
59°
86°
Thu
9/24
Drizzle
60%
65°
88°
Fri
9/25
Drizzle
60%
64°
88°
Sat
9/26
Clear
60%
64°
88°
Sun
9/27
Drizzle
60%
64°
90°
46
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
46 AQI 8.4 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 46 Good 43 46
Tue 51 Moderate 43 51
Wed 53 Moderate 35 53
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 Sun Sep 13, 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
SBCAPE1473 J/kg
MLCAPE856 J/kg
MUCAPE1473 J/kg
SBCIN-106 J/kg
MLCIN-101 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear8 kt
0–1 km Shear3 kt
Eff. Shear3 kt
0–1 km SRH-10
0–3 km SRH-10
Eff. SRH-10
Storm Motion82° @ 14 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.5
Thermo & Levels
PWAT2.03 in
0–3 km LR7.6 °C/km
700–500 LR6.0 °C/km
Total Totals50.4
LCL834 hPa
LFC777 hPa
EL168 hPa
Freezing Lvl15,709 ft