Extreme Heat Warning — 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, 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 9:00 PM

Winn Parish, Louisiana, United States

Last updated: 5:06 PM CDT  ·  Refresh
37°C
Feels like 42°
Mostly Cloudy
▲ 39°  /  ▼ 22°
Wind
5 mph WNW
Humidity
39%
Dew Point
21°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
5.1
Cloud Cover
66%
Sunrise
6:39 AM
Sunset
7:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Winn Parish is currently mostly cloudy at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2131 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 7:47PM.

Alerts

Extreme Heat Warning
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, 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 9:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
31%
6 PM
37°
40%
7 PM
34°
32%
8 PM
32°
29%
9 PM
31°
29%
10 PM
29°
22%
11 PM
28°
15%
12 AM
27°
15%
1 AM
27°
4%
2 AM
26°
4%
3 AM
26°
4%
4 AM
26°
3%
5 AM
25°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
25°
3%
9 AM
27°
8%
10 AM
29°
8%
11 AM
31°
8%
12 PM
34°
8%
1 PM
36°
17%
2 PM
38°
18%
3 PM
38°
20%
4 PM
39°
22%
7-Day Forecast
Today
39° 22°
Mostly Cloudy with a 31% chance of rain.
Sat
42° 22°
Clear with a 26% chance of rain.
Sun
41° 24°
Mostly Clear with a 29% chance of rain.
Mon
39° 24°
Partly Cloudy with a 38% chance of rain.
Tue
38° 24°
Partly Cloudy.
Wed
38° 23°
Rain, 72% chance.
Thu
36° 24°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Cloudy 31% 5 mph WNW 39%
6 PM 37° Overcast 40% 4 mph SSW 45%
7 PM 34° Mostly Cloudy 32% 7 mph SSE 51%
8 PM 32° Mostly Cloudy 29% 7 mph SSE 58%
9 PM 31° Mostly Cloudy 29% 6 mph S 63%
10 PM 29° Mostly Cloudy 22% 6 mph S 68%
11 PM 28° Mostly Cloudy 15% 5 mph S 70%
12 AM 27° Mostly Cloudy 15% 4 mph S 73%
1 AM 27° Overcast 4% 4 mph SW 75%
2 AM 26° Mostly Cloudy 4% 3 mph WSW 76%
3 AM 26° Mostly Cloudy 4% 3 mph W 77%
4 AM 26° Mostly Cloudy 3% 3 mph W 78%
5 AM 25° Partly Cloudy 3% 3 mph W 80%
6 AM 22° Partly Cloudy 3% 3 mph WNW 81%
7 AM 22° Clear 3% 3 mph W 81%
8 AM 25° Clear 3% 2 mph WNW 74%
9 AM 27° Clear 8% 3 mph WNW 64%
10 AM 29° Clear 8% 3 mph NW 58%
11 AM 31° Clear 8% 3 mph NW 53%
12 PM 34° Mostly Clear 8% 3 mph NNW 48%
1 PM 36° Mostly Clear 17% 3 mph NNW 43%
2 PM 38° Mostly Clear 18% 3 mph NNW 40%
3 PM 38° Mostly Clear 20% 3 mph N 38%
4 PM 39° Mostly Clear 22% 3 mph N 36%
15-Day Forecast
Today
8/21
Mostly Cloudy
31%
22°
39°
Sat
8/22
Clear
26%
22°
42°
Sun
8/23
Mostly Clear
29%
24°
41°
Mon
8/24
Partly Cloudy
38%
24°
39°
Tue
8/25
Partly Cloudy
10%
24°
38°
Wed
8/26
Rain
72%
23°
38°
Thu
8/27
Rain
66%
24°
36°
Fri
8/28
Mostly Clear
27%
22°
39°
Sat
8/29
Mostly Cloudy
27%
23°
38°
Sun
8/30
Clear
40%
23°
41°
Mon
8/31
Clear
27%
23°
40°
Tue
9/1
Drizzle
60%
23°
39°
Wed
9/2
Clear
60%
23°
39°
Thu
9/3
Drizzle
60%
23°
39°
Fri
9/4
Drizzle
60%
22°
39°
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 9.5 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 52 Moderate 43 52
Sun 49 Good 42 49
Mon 52 Moderate 38 52
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 Fri Aug 21, 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
SBCAPE2975 J/kg
MLCAPE2213 J/kg
MUCAPE2975 J/kg
SBCIN-25 J/kg
MLCIN-21 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear14 kt
0–1 km Shear9 kt
Eff. Shear12 kt
0–1 km SRH32
0–3 km SRH47
Eff. SRH47
Storm Motion51° @ 13 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index42.0
Thermo & Levels
PWAT2.09 in
0–3 km LR8.6 °C/km
700–500 LR6.1 °C/km
Total Totals51.7
LCL796 hPa
LFC777 hPa
EL148 hPa
Freezing Lvl15,292 ft