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

Jefferson County, Oklahoma, United States

Last updated: 4:57 PM CDT  ·  Refresh
38°C
Feels like 38°
Clear
▲ 39°  /  ▼ 24°
Wind
12 mph SSE
Humidity
29%
Dew Point
18°
Pressure
28.95 inHg
Visibility
10 mi
UV Index
6.5
Cloud Cover
7%
Sunrise
7:12 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently clear at 38°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1291 J/kg) — isolated convective development possible. Sunrise: 7:12AM · Sunset: 7:40PM.

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
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
38°
4%
5 PM
39°
4%
6 PM
38°
4%
7 PM
36°
4%
8 PM
34°
4%
9 PM
33°
4%
10 PM
32°
4%
11 PM
31°
3%
12 AM
31°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
27°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
35°
3%
3 PM
35°
3%
7-Day Forecast
Today
39° 24°
Clear.
Mon
39° 24°
Mostly Clear.
Tue
41° 23°
Clear.
Wed
38° 23°
Mostly Clear.
Thu
36° 24°
Mostly Clear.
Fri
36° 23°
Partly Cloudy with a 43% chance of rain.
Sat
36° 22°
Clear with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 38° Clear 4% 12 mph SSE 29%
5 PM 39° Clear 4% 13 mph SSE 30%
6 PM 38° Clear 4% 13 mph SSE 32%
7 PM 36° Clear 4% 11 mph SE 36%
8 PM 34° Clear 4% 10 mph SSE 40%
9 PM 33° Clear 4% 11 mph SSE 44%
10 PM 32° Clear 4% 11 mph SSE 46%
11 PM 31° Clear 3% 10 mph SSE 49%
12 AM 31° Clear 3% 10 mph SSE 51%
1 AM 28° Clear 3% 10 mph S 54%
2 AM 28° Clear 3% 10 mph S 58%
3 AM 28° Clear 3% 10 mph S 62%
4 AM 27° Clear 3% 9 mph S 64%
5 AM 24° Clear 3% 9 mph S 66%
6 AM 24° Clear 3% 9 mph S 68%
7 AM 25° Mostly Clear 3% 10 mph S 65%
8 AM 26° Mostly Clear 3% 11 mph SSW 59%
9 AM 28° Mostly Clear 3% 12 mph SSW 56%
10 AM 29° Mostly Clear 3% 12 mph SSW 52%
11 AM 32° Mostly Clear 3% 13 mph SSW 47%
12 PM 33° Mostly Clear 3% 13 mph S 42%
1 PM 35° Mostly Clear 3% 13 mph S 41%
2 PM 35° Mostly Clear 3% 14 mph S 40%
3 PM 35° Mostly Clear 3% 14 mph S 39%
15-Day Forecast
Today
9/13
Clear
4%
24°
39°
Mon
9/14
Mostly Clear
3%
24°
39°
Tue
9/15
Clear
7%
23°
41°
Wed
9/16
Mostly Clear
7%
23°
38°
Thu
9/17
Mostly Clear
3%
24°
36°
Fri
9/18
Partly Cloudy
43%
23°
36°
Sat
9/19
Clear
53%
22°
36°
Sun
9/20
Drizzle
53%
21°
35°
Mon
9/21
Drizzle
68%
20°
32°
Tue
9/22
Drizzle
68%
18°
32°
Wed
9/23
Drizzle
67%
18°
31°
Thu
9/24
Drizzle
60%
20°
32°
Fri
9/25
Drizzle
60%
20°
32°
Sat
9/26
Drizzle
60%
19°
32°
Sun
9/27
Drizzle
60%
21°
32°
42
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
37 AQI 6.6 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 42 Good 42 37
Tue 34 Good 34 32
Wed 32 Good 32 29
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
SBCAPE1342 J/kg
MLCAPE171 J/kg
MUCAPE1342 J/kg
SBCIN-27 J/kg
MLCIN-290 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear17 kt
0–1 km Shear9 kt
Eff. Shear17 kt
0–1 km SRH-25
0–3 km SRH40
Eff. SRH40
Storm Motion88° @ 17 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.1
Thermo & Levels
PWAT1.69 in
0–3 km LR8.5 °C/km
700–500 LR6.6 °C/km
Total Totals50.4
LCL739 hPa
LFC660 hPa
EL173 hPa
Freezing Lvl15,492 ft