Heat Advisory — Alfalfa, OK, Grant, OK, Kay, OK, Major, OK, Garfield, OK, Noble, OK, Blaine, OK, Kingfisher, OK, Logan, OK, Payne, OK, Caddo, OK, Canadian, OK, Oklahoma, OK, Lincoln, OK, Grady, OK, McClain, OK, Cleveland, OK, Pottawatomie, OK, Seminole, OK, Hughes, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Coal, OK, Cotton, OK, Jefferson, OK, Carter, OK, Johnston, OK, Atoka, OK, Love, OK, Marshall, OK, Bryan, OK, Wilbarger, TX, Wichita, TX, Archer, TX, Clay, TX 8:00 PM

Jefferson County, Oklahoma, United States

Last updated: 2:18 AM CDT  ·  Refresh
25°C
Feels like 26°
Mostly Clear
▲ 39°  /  ▼ 22°
Wind
9 mph ESE
Humidity
74%
Dew Point
20°
Pressure
29.07 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
6:47 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1217 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 8:25PM.

Alerts

Heat Advisory
Alfalfa, OK, Grant, OK, Kay, OK, Major, OK, Garfield, OK, Noble, OK, Blaine, OK, Kingfisher, OK, Logan, OK, Payne, OK, Caddo, OK, Canadian, OK, Oklahoma, OK, Lincoln, OK, Grady, OK, McClain, OK, Cleveland, OK, Pottawatomie, OK, Seminole, OK, Hughes, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Coal, OK, Cotton, OK, Jefferson, OK, Carter, OK, Johnston, OK, Atoka, OK, Love, OK, Marshall, OK, Bryan, OK, Wilbarger, TX, Wichita, TX, Archer, TX, Clay, TX
Expires 8:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
32%
3 AM
24°
13%
4 AM
24°
4%
5 AM
24°
4%
6 AM
22°
4%
7 AM
22°
4%
8 AM
25°
4%
9 AM
28°
4%
10 AM
31°
3%
11 AM
33°
3%
12 PM
35°
3%
1 PM
37°
3%
2 PM
38°
3%
3 PM
38°
3%
4 PM
39°
3%
5 PM
38°
3%
6 PM
39°
3%
7 PM
39°
3%
8 PM
37°
3%
9 PM
34°
3%
10 PM
32°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
29°
3%
7-Day Forecast
Today
39° 22°
Mostly Clear with a 32% chance of rain.
Sun
41° 22°
Clear.
Mon
40° 23°
Clear.
Tue
40° 24°
Mostly Clear.
Wed
41° 26°
Clear.
Thu
41° 27°
Rain.
Fri
41° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 32% 9 mph ESE 74%
3 AM 24° Mostly Clear 13% 9 mph SE 76%
4 AM 24° Mostly Clear 4% 8 mph SSE 77%
5 AM 24° Mostly Clear 4% 8 mph SSE 76%
6 AM 22° Partly Cloudy 4% 7 mph SSE 76%
7 AM 22° Partly Cloudy 4% 8 mph S 72%
8 AM 25° Partly Cloudy 4% 10 mph SSW 61%
9 AM 28° Mostly Clear 4% 12 mph SW 50%
10 AM 31° Mostly Clear 3% 12 mph SW 41%
11 AM 33° Mostly Clear 3% 11 mph SW 35%
12 PM 35° Mostly Clear 3% 10 mph SW 30%
1 PM 37° Mostly Clear 3% 8 mph SW 26%
2 PM 38° Mostly Clear 3% 6 mph SSW 24%
3 PM 38° Clear 3% 7 mph S 22%
4 PM 39° Clear 3% 8 mph SSE 20%
5 PM 38° Clear 3% 9 mph SSE 20%
6 PM 39° Clear 3% 11 mph SSE 21%
7 PM 39° Clear 3% 12 mph SSE 24%
8 PM 37° Clear 3% 11 mph SSE 30%
9 PM 34° Mostly Clear 3% 11 mph SSE 36%
10 PM 32° Mostly Clear 3% 11 mph S 42%
11 PM 31° Clear 3% 10 mph S 44%
12 AM 30° Clear 3% 10 mph S 46%
1 AM 29° Clear 3% 9 mph S 48%
15-Day Forecast
Today
8/8
Mostly Clear
32%
22°
39°
Sun
8/9
Clear
3%
22°
41°
Mon
8/10
Clear
3%
23°
40°
Tue
8/11
Mostly Clear
3%
24°
40°
Wed
8/12
Clear
3%
26°
41°
Thu
8/13
Rain
15%
27°
41°
Fri
8/14
Clear
8%
26°
41°
Sat
8/15
Clear
18%
25°
40°
Sun
8/16
Clear
19%
22°
39°
Mon
8/17
Clear
12%
25°
41°
Tue
8/18
Clear
25%
27°
41°
Wed
8/19
Drizzle
60%
26°
40°
Thu
8/20
Clear
60%
26°
40°
Fri
8/21
Clear
60%
26°
39°
Sat
8/22
Drizzle
60%
26°
38°
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 9.8 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 45 52
Sun 43 Good 43 36
Mon 52 Moderate 41 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 Sat Aug 8, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE358 J/kg
MLCAPE421 J/kg
MUCAPE821 J/kg
SBCIN-595 J/kg
MLCIN0 J/kg
Lifted Index-3.7
Kinematics
0–6 km Shear27 kt
0–1 km Shear24 kt
Eff. Shear57 kt
0–1 km SRH208
0–3 km SRH110
Eff. SRH-93
Storm Motion307° @ 13 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.3
STP (eff)0.0
Supercell0.0
K-Index39.4
Thermo & Levels
PWAT1.60 in
0–3 km LR4.7 °C/km
700–500 LR7.5 °C/km
Total Totals55.4
LCL911 hPa
LFC649 hPa
EL356 hPa
Freezing Lvl14,183 ft