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

Harmon County, Oklahoma, United States

Last updated: 4:49 PM CDT  ·  Refresh
37°C
Feels like 37°
Mostly Clear
▲ 39°  /  ▼ 24°
Wind
13 mph S
Humidity
27%
Dew Point
16°
Pressure
28,12 inHg
Visibility
10 mi
UV Index
6,7
Cloud Cover
30%
Sunrise
7:20 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harmon County is currently mostly clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 987 J/kg) — isolated convective development possible. Sunrise: 7:20AM · Sunset: 7:48PM.

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
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
7%
5 PM
39°
7%
6 PM
38°
7%
7 PM
37°
7%
8 PM
35°
7%
9 PM
34°
7%
10 PM
33°
4%
11 PM
33°
4%
12 AM
32°
5%
1 AM
30°
5%
2 AM
29°
5%
3 AM
29°
5%
4 AM
29°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
26°
3%
10 AM
27°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
35°
3%
7-Day Forecast
Today
39° 24°
Mostly Clear.
Mon
38° 24°
Clear.
Tue
40° 22°
Clear.
Wed
37° 22°
Clear.
Thu
37° 23°
Clear.
Fri
37° 23°
Rain, 71% chance.
Sat
35° 22°
Rain, 72% chance.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 7% 13 mph S 27%
5 PM 39° Mostly Clear 7% 13 mph SSE 27%
6 PM 38° Mostly Clear 7% 13 mph SSE 28%
7 PM 37° Clear 7% 12 mph SSE 31%
8 PM 35° Clear 7% 12 mph SSE 35%
9 PM 34° Clear 7% 12 mph SSE 38%
10 PM 33° Clear 4% 11 mph SSE 41%
11 PM 33° Mostly Clear 4% 11 mph SSE 44%
12 AM 32° Mostly Clear 5% 11 mph SSE 47%
1 AM 30° Clear 5% 11 mph S 48%
2 AM 29° Clear 5% 11 mph S 49%
3 AM 29° Clear 5% 10 mph S 50%
4 AM 29° Clear 3% 10 mph S 51%
5 AM 24° Clear 3% 9 mph S 52%
6 AM 24° Clear 3% 10 mph S 53%
7 AM 24° Clear 3% 11 mph SSW 53%
8 AM 26° Clear 3% 13 mph SSW 52%
9 AM 26° Clear 3% 14 mph SSW 51%
10 AM 27° Clear 3% 14 mph SSW 48%
11 AM 29° Clear 3% 15 mph SSW 45%
12 PM 31° Clear 3% 16 mph SSW 42%
1 PM 34° Clear 3% 16 mph SSW 41%
2 PM 34° Clear 3% 16 mph S 40%
3 PM 35° Mostly Clear 3% 16 mph S 38%
15-Day Forecast
Today
9/13
Mostly Clear
7%
24°
39°
Mon
9/14
Clear
5%
24°
38°
Tue
9/15
Clear
14%
22°
40°
Wed
9/16
Clear
8%
22°
37°
Thu
9/17
Clear
8%
23°
37°
Fri
9/18
Rain
71%
23°
37°
Sat
9/19
Rain
72%
22°
35°
Sun
9/20
Partly Cloudy
53%
20°
36°
Mon
9/21
Drizzle
60%
19°
30°
Tue
9/22
Drizzle
67%
17°
30°
Wed
9/23
Drizzle
67%
19°
31°
Thu
9/24
Drizzle
60%
20°
31°
Fri
9/25
Drizzle
60%
21°
31°
Sat
9/26
Drizzle
60%
20°
31°
Sun
9/27
Drizzle
60%
20°
30°
40
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
29 AQI 5.2 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 40 Good 40 29
Tue 34 Good 34 24
Wed 37 Good 37 24
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 dim. sept. 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
SBCAPE1317 J/kg
MLCAPE608 J/kg
MUCAPE1317 J/kg
SBCIN-28 J/kg
MLCIN-114 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear15 kt
0–1 km Shear9 kt
Eff. Shear14 kt
0–1 km SRH-35
0–3 km SRH-10
Eff. SRH-10
Storm Motion89° @ 16 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.1
Thermo & Levels
PWAT1.61 in
0–3 km LR8.7 °C/km
700–500 LR7.0 °C/km
Total Totals52.6
LCL708 hPa
LFC647 hPa
EL174 hPa
Freezing Lvl14,557 ft