Heat Advisory — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX 7:00 PM Heat Advisory — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX 7:00 PM

Lafayette County, Arkansas, United States

Last updated: 2:43 PM CDT  ·  Refresh
37°C
Feels like 41°
Clear
▲ 38°  /  ▼ 23°
Wind
3 mph ESE
Humidity
40%
Dew Point
22°
Pressure
29.63 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
3%
Sunrise
6:52 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2118 J/kg) — isolated convective development possible. Sunrise: 6:52AM · Sunset: 7:31PM.

Alerts

Heat Advisory
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX
Expires 7:00 PM
Heat Advisory
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX
Expires 7:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
5%
3 PM
38°
8%
4 PM
38°
8%
5 PM
37°
8%
6 PM
36°
8%
7 PM
34°
8%
8 PM
32°
11%
9 PM
29°
21%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
13%
1 AM
28°
17%
2 AM
27°
17%
3 AM
26°
5%
4 AM
26°
5%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
5%
9 AM
32°
5%
10 AM
33°
5%
11 AM
34°
5%
12 PM
35°
5%
1 PM
37°
6%
7-Day Forecast
Today
38° 23°
Clear.
Tue
41° 23°
Clear.
Wed
37° 22°
Mostly Clear.
Thu
34° 22°
Overcast with a 34% chance of rain.
Fri
36° 18°
Clear.
Sat
38° 18°
Clear.
Sun
37° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 5% 3 mph ESE 40%
3 PM 38° Clear 8% 5 mph ESE 36%
4 PM 38° Clear 8% 4 mph ESE 37%
5 PM 37° Clear 8% 4 mph ESE 39%
6 PM 36° Mostly Clear 8% 3 mph SE 41%
7 PM 34° Mostly Clear 8% 3 mph SE 44%
8 PM 32° Partly Cloudy 11% 3 mph ESE 48%
9 PM 29° Partly Cloudy 21% 4 mph ESE 53%
10 PM 29° Partly Cloudy 8% 5 mph ESE 57%
11 PM 28° Partly Cloudy 8% 4 mph SE 60%
12 AM 28° Partly Cloudy 13% 4 mph SE 62%
1 AM 28° Mostly Clear 17% 4 mph SE 66%
2 AM 27° Clear 17% 4 mph SE 70%
3 AM 26° Clear 5% 3 mph SE 73%
4 AM 26° Clear 5% 2 mph ESE 74%
5 AM 23° Clear 3% 2 mph ESE 75%
6 AM 23° Clear 3% 2 mph E 76%
7 AM 24° Clear 3% 2 mph E 73%
8 AM 26° Clear 5% 2 mph ESE 67%
9 AM 32° Clear 5% 2 mph SE 61%
10 AM 33° Clear 5% 2 mph SE 57%
11 AM 34° Clear 5% 3 mph SSE 53%
12 PM 35° Clear 5% 3 mph SSE 50%
1 PM 37° Clear 6% 3 mph SSE 48%
15-Day Forecast
Today
9/7
Clear
11%
23°
38°
Tue
9/8
Clear
17%
23°
41°
Wed
9/9
Mostly Clear
14%
22°
37°
Thu
9/10
Overcast
34%
22°
34°
Fri
9/11
Clear
19%
18°
36°
Sat
9/12
Clear
19%
18°
38°
Sun
9/13
Clear
19%
20°
37°
Mon
9/14
Clear
60%
20°
37°
Tue
9/15
Drizzle
60%
21°
36°
Wed
9/16
Drizzle
60%
17°
36°
Thu
9/17
Drizzle
60%
14°
33°
Fri
9/18
Drizzle
60%
19°
32°
Sat
9/19
Drizzle
60%
18°
32°
Sun
9/20
Clear
60%
17°
31°
Mon
9/21
Clear
25%
17°
32°
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 9.4 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 52 Moderate 44 52
Wed 52 Moderate 43 52
Thu 51 Moderate 45 51
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 Mon Sep 7, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2644 J/kg
MLCAPE2016 J/kg
MUCAPE2644 J/kg
SBCIN0 J/kg
MLCIN-22 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear8 kt
0–1 km Shear1 kt
Eff. Shear13 kt
0–1 km SRH1
0–3 km SRH-17
Eff. SRH-17
Storm Motion46° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.1
Thermo & Levels
PWAT2.05 in
0–3 km LR8.7 °C/km
700–500 LR5.7 °C/km
Total Totals48.4
LCL808 hPa
LFC1003 hPa
EL151 hPa
Freezing Lvl15,764 ft