Heat Advisory — Harper, OK, Woods, OK, Alfalfa, OK, Grant, OK, Kay, OK, Ellis, OK, Woodward, OK, Major, OK, Garfield, OK, Noble, OK, Roger Mills, OK, Dewey, OK, Custer, OK, Blaine, OK, Kingfisher, OK, Logan, OK, Payne, OK, Beckham, OK, Washita, OK, Caddo, OK, Canadian, OK, Oklahoma, OK, Lincoln, OK, Grady, OK, McClain, OK, Cleveland, OK, Pottawatomie, OK, Seminole, OK, Harmon, OK, Greer, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Cotton, OK, Jefferson, OK, Carter, OK, Love, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX 7:00 PM

Knox County, Texas, United States

Last updated: 4:50 PM CDT  ·  Refresh
38°C
Feels like 38°
Clear
▲ 39°  /  ▼ 25°
Wind
13 mph SSE
Humidity
27%
Dew Point
17°
Pressure
28.38 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
6%
Sunrise
7:20 AM
Sunset
7:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently clear at 38°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1352 J/kg) — isolated convective development possible. Sunrise: 7:20AM · Sunset: 7:47PM.

Alerts

Heat Advisory
Harper, OK, Woods, OK, Alfalfa, OK, Grant, OK, Kay, OK, Ellis, OK, Woodward, OK, Major, OK, Garfield, OK, Noble, OK, Roger Mills, OK, Dewey, OK, Custer, OK, Blaine, OK, Kingfisher, OK, Logan, OK, Payne, OK, Beckham, OK, Washita, OK, Caddo, OK, Canadian, OK, Oklahoma, OK, Lincoln, OK, Grady, OK, McClain, OK, Cleveland, OK, Pottawatomie, OK, Seminole, OK, Harmon, OK, Greer, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Cotton, OK, Jefferson, OK, Carter, OK, Love, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX
Expires 7:00 PM
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
38°
4%
5 PM
39°
4%
6 PM
39°
4%
7 PM
37°
4%
8 PM
36°
4%
9 PM
34°
4%
10 PM
33°
4%
11 PM
33°
4%
12 AM
32°
5%
1 AM
30°
5%
2 AM
30°
5%
3 AM
29°
5%
4 AM
29°
3%
5 AM
26°
3%
6 AM
25°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
35°
3%
3 PM
36°
3%
7-Day Forecast
Today
39° 25°
Clear.
Mon
39° 25°
Clear.
Tue
40° 23°
Clear.
Wed
38° 23°
Clear.
Thu
36° 24°
Mostly Clear.
Fri
36° 23°
Drizzle, 52% chance.
Sat
36° 23°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 38° Clear 4% 13 mph SSE 27%
5 PM 39° Clear 4% 15 mph SSE 28%
6 PM 39° Clear 4% 15 mph SSE 29%
7 PM 37° Clear 4% 14 mph SSE 32%
8 PM 36° Clear 4% 13 mph SSE 35%
9 PM 34° Clear 4% 13 mph SSE 38%
10 PM 33° Clear 4% 13 mph S 40%
11 PM 33° Clear 4% 13 mph S 42%
12 AM 32° Clear 5% 12 mph S 44%
1 AM 30° Clear 5% 12 mph S 47%
2 AM 30° Clear 5% 11 mph S 50%
3 AM 29° Clear 5% 10 mph S 53%
4 AM 29° Clear 3% 11 mph S 56%
5 AM 26° Clear 3% 12 mph S 58%
6 AM 25° Clear 3% 12 mph SSW 61%
7 AM 26° Clear 3% 12 mph SSW 60%
8 AM 27° Clear 3% 14 mph SSW 59%
9 AM 27° Clear 3% 14 mph SSW 57%
10 AM 28° Clear 3% 14 mph SSW 53%
11 AM 31° Clear 3% 14 mph SSW 48%
12 PM 32° Clear 3% 14 mph SSW 44%
1 PM 34° Clear 3% 14 mph S 41%
2 PM 35° Clear 3% 15 mph S 39%
3 PM 36° Clear 3% 15 mph S 36%
15-Day Forecast
Today
9/13
Clear
4%
25°
39°
Mon
9/14
Clear
5%
25°
39°
Tue
9/15
Clear
7%
23°
40°
Wed
9/16
Clear
8%
23°
38°
Thu
9/17
Mostly Clear
8%
24°
36°
Fri
9/18
Drizzle
52%
23°
36°
Sat
9/19
Drizzle
53%
23°
36°
Sun
9/20
Drizzle
53%
22°
36°
Mon
9/21
Drizzle
60%
21°
32°
Tue
9/22
Drizzle
68%
19°
31°
Wed
9/23
Drizzle
64%
19°
32°
Thu
9/24
Drizzle
60%
21°
32°
Fri
9/25
Clear
60%
22°
31°
Sat
9/26
Drizzle
60%
21°
31°
Sun
9/27
Drizzle
60%
21°
31°
36
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
28 AQI 5.1 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 36 Good 36 28
Tue 32 Good 32 23
Wed 31 Good 31 27
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
SBCAPE1566 J/kg
MLCAPE837 J/kg
MUCAPE1566 J/kg
SBCIN0 J/kg
MLCIN-48 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear11 kt
0–1 km Shear9 kt
Eff. Shear14 kt
0–1 km SRH-38
0–3 km SRH12
Eff. SRH12
Storm Motion100° @ 20 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.2
Thermo & Levels
PWAT1.70 in
0–3 km LR9.3 °C/km
700–500 LR6.2 °C/km
Total Totals50.8
LCL712 hPa
LFC961 hPa
EL166 hPa
Freezing Lvl15,115 ft