Extreme Heat Warning — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX 8:00 PM

Lafayette County, Arkansas, United States

Last updated: 11:15 AM CDT  ·  Refresh
34°C
Feels like 39°
Clear
▲ 40°  /  ▼ 26°
Wind
5 mph NW
Humidity
50%
Dew Point
23°
Pressure
29.61 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
1%
Sunrise
6:20 AM
Sunset
8:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1704 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:21PM.

Alerts

Extreme Heat Warning
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX
Expires 8:00 PM
68 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
12 PM
35°
3%
1 PM
38°
3%
2 PM
38°
3%
3 PM
39°
3%
4 PM
39°
3%
5 PM
38°
3%
6 PM
38°
3%
7 PM
37°
3%
8 PM
35°
3%
9 PM
32°
3%
10 PM
31°
5%
11 PM
30°
5%
12 AM
29°
5%
1 AM
29°
5%
2 AM
28°
5%
3 AM
28°
5%
4 AM
28°
3%
5 AM
26°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
7-Day Forecast
Today
40° 26°
Clear.
Wed
37° 25°
Mostly Clear.
Thu
36° 22°
Partly Cloudy.
Fri
35° 23°
Partly Cloudy with a 24% chance of rain.
Sat
37° 23°
Clear.
Sun
38° 24°
Clear.
Mon
40° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 5 mph NW 50%
12 PM 35° Clear 3% 6 mph NW 44%
1 PM 38° Clear 3% 5 mph NW 41%
2 PM 38° Mostly Clear 3% 5 mph NW 40%
3 PM 39° Mostly Clear 3% 5 mph NW 38%
4 PM 39° Mostly Clear 3% 5 mph NNW 38%
5 PM 38° Clear 3% 5 mph NNW 41%
6 PM 38° Clear 3% 4 mph NNW 44%
7 PM 37° Clear 3% 4 mph N 47%
8 PM 35° Clear 3% 3 mph NW 52%
9 PM 32° Clear 3% 4 mph W 57%
10 PM 31° Clear 5% 4 mph SW 61%
11 PM 30° Clear 5% 4 mph SW 64%
12 AM 29° Clear 5% 4 mph WSW 67%
1 AM 29° Clear 5% 3 mph WSW 69%
2 AM 28° Mostly Clear 5% 3 mph WSW 71%
3 AM 28° Mostly Clear 5% 3 mph W 72%
4 AM 28° Mostly Clear 3% 4 mph NW 74%
5 AM 26° Mostly Clear 3% 4 mph N 75%
6 AM 26° Clear 3% 4 mph N 77%
7 AM 26° Clear 3% 5 mph NNE 77%
8 AM 27° Mostly Clear 3% 6 mph NNE 74%
9 AM 29° Mostly Clear 3% 7 mph NE 71%
10 AM 31° Mostly Clear 3% 8 mph NE 67%
15-Day Forecast
Today
7/21
Clear
5%
26°
40°
Wed
7/22
Mostly Clear
5%
25°
37°
Thu
7/23
Partly Cloudy
11%
22°
36°
Fri
7/24
Partly Cloudy
24%
23°
35°
Sat
7/25
Clear
16%
23°
37°
Sun
7/26
Clear
16%
24°
38°
Mon
7/27
Clear
3%
24°
40°
Tue
7/28
Clear
43%
24°
42°
Wed
7/29
Clear
44%
25°
41°
Thu
7/30
Clear
44%
25°
41°
Fri
7/31
Clear
25%
25°
41°
Sat
8/1
Drizzle
60%
24°
40°
Sun
8/2
Drizzle
60%
24°
39°
Mon
8/3
Drizzle
60%
23°
38°
Tue
8/4
Drizzle
60%
23°
38°
68
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
68 AQI 18.3 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 68 Moderate 38 68
Thu 58 Moderate 37 58
Fri 57 Moderate 32 57
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 Jul 21, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2032 J/kg
MLCAPE992 J/kg
MUCAPE2032 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear6 kt
Eff. Shear18 kt
0–1 km SRH-1
0–3 km SRH-36
Eff. SRH-36
Storm Motion333° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.3
Thermo & Levels
PWAT1.92 in
0–3 km LR7.2 °C/km
700–500 LR5.3 °C/km
Total Totals43.9
LCL852 hPa
LFC1003 hPa
EL145 hPa
Freezing Lvl17,776 ft