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

Lonoke County, Arkansas, United States

Last updated: 3:50 PM CDT  ·  Refresh
91°F
Feels like 100°
Mostly Clear
▲ 98°  /  ▼ 71°
Wind
7 mph S
Humidity
56%
Dew Point
69°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
24%
Sunrise
6:49 AM
Sunset
7:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lonoke County is currently mostly clear at 91°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1925 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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
91°
18%
4 PM
89°
13%
5 PM
90°
12%
6 PM
88°
8%
7 PM
86°
8%
8 PM
84°
8%
9 PM
81°
8%
10 PM
80°
8%
11 PM
79°
8%
12 AM
78°
8%
1 AM
76°
8%
2 AM
76°
9%
3 AM
75°
9%
4 AM
74°
9%
5 AM
71°
9%
6 AM
71°
9%
7 AM
73°
16%
8 AM
76°
26%
9 AM
78°
27%
10 AM
82°
27%
11 AM
84°
28%
12 PM
86°
28%
1 PM
90°
29%
2 PM
91°
29%
7-Day Forecast
Today
98° 71°
Partly Cloudy.
Mon
100° 71°
Mostly Clear with a 33% chance of rain.
Tue
101° 72°
Partly Cloudy.
Wed
98° 74°
Partly Cloudy.
Thu
101° 74°
Clear.
Fri
100° 72°
Clear.
Sat
102° 72°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 91° Mostly Clear 18% 7 mph S 56%
4 PM 89° Partly Cloudy 13% 7 mph SSE 63%
5 PM 90° Partly Cloudy 12% 4 mph ESE 64%
6 PM 88° Partly Cloudy 8% 4 mph NNE 68%
7 PM 86° Partly Cloudy 8% 4 mph N 71%
8 PM 84° Partly Cloudy 8% 4 mph N 73%
9 PM 81° Partly Cloudy 8% 5 mph NNW 75%
10 PM 80° Partly Cloudy 8% 4 mph N 76%
11 PM 79° Partly Cloudy 8% 4 mph N 78%
12 AM 78° Partly Cloudy 8% 4 mph NNE 80%
1 AM 76° Partly Cloudy 8% 4 mph NNE 81%
2 AM 76° Mostly Clear 9% 4 mph NNE 84%
3 AM 75° Mostly Clear 9% 4 mph NNE 86%
4 AM 74° Mostly Clear 9% 4 mph NNE 87%
5 AM 71° Mostly Clear 9% 4 mph NNE 89%
6 AM 71° Mostly Clear 9% 5 mph NE 90%
7 AM 73° Mostly Clear 16% 5 mph NE 85%
8 AM 76° Mostly Clear 26% 5 mph NE 78%
9 AM 78° Partly Cloudy 27% 5 mph ENE 72%
10 AM 82° Partly Cloudy 27% 5 mph ENE 68%
11 AM 84° Mostly Clear 28% 6 mph ENE 63%
12 PM 86° Mostly Clear 28% 6 mph ENE 59%
1 PM 90° Mostly Clear 29% 6 mph ENE 57%
2 PM 91° Mostly Clear 29% 6 mph ENE 55%
15-Day Forecast
Today
9/13
Partly Cloudy
18%
71°
98°
Mon
9/14
Mostly Clear
33%
71°
100°
Tue
9/15
Partly Cloudy
19%
72°
101°
Wed
9/16
Partly Cloudy
8%
74°
98°
Thu
9/17
Clear
9%
74°
101°
Fri
9/18
Clear
9%
72°
100°
Sat
9/19
Clear
19%
72°
102°
Sun
9/20
Clear
60%
70°
95°
Mon
9/21
Drizzle
60%
67°
91°
Tue
9/22
Drizzle
60%
54°
89°
Wed
9/23
Drizzle
60%
53°
85°
Thu
9/24
Drizzle
60%
64°
88°
Fri
9/25
Drizzle
60%
64°
88°
Sat
9/26
Clear
60%
64°
88°
Sun
9/27
Drizzle
60%
64°
90°
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 10.7 µg/m³
O3
Ground-level ozone
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 54 Moderate 44 54
Tue 52 Moderate 37 52
Wed 58 Moderate 44 58
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1261 J/kg
MLCAPE1292 J/kg
MUCAPE1532 J/kg
SBCIN-143 J/kg
MLCIN-72 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear14 kt
0–1 km Shear6 kt
Eff. Shear6 kt
0–1 km SRH24
0–3 km SRH37
Eff. SRH37
Storm Motion24° @ 14 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.5
Thermo & Levels
PWAT1.86 in
0–3 km LR7.4 °C/km
700–500 LR6.1 °C/km
Total Totals48.9
LCL843 hPa
LFC746 hPa
EL154 hPa
Freezing Lvl15,505 ft