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, Beckham, OK, Washita, OK, Caddo, OK, Canadian, OK, Oklahoma, 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, Johnston, OK, Love, OK, Marshall, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX 9:00 PM

Harmon County, Oklahoma, United States

Last updated: 5:18 PM CDT  ·  Refresh
39°C
Feels like 39°
Mostly Clear
▲ 41°  /  ▼ 24°
Wind
12 mph SSE
Humidity
23%
Dew Point
14°
Pressure
28.03 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
16%
Sunrise
6:47 AM
Sunset
8:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harmon County is currently mostly clear at 39°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:47AM · Sunset: 8:44PM.

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, Beckham, OK, Washita, OK, Caddo, OK, Canadian, OK, Oklahoma, 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, Johnston, OK, Love, OK, Marshall, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX
Expires 9:00 PM
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
39°
3%
6 PM
40°
3%
7 PM
39°
3%
8 PM
37°
3%
9 PM
36°
3%
10 PM
33°
4%
11 PM
32°
4%
12 AM
31°
4%
1 AM
31°
5%
2 AM
29°
5%
3 AM
28°
5%
4 AM
28°
3%
5 AM
27°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
5%
11 AM
32°
5%
12 PM
34°
5%
1 PM
35°
5%
2 PM
37°
5%
3 PM
37°
5%
4 PM
37°
5%
7-Day Forecast
Today
41° 24°
Mostly Clear.
Thu
40° 24°
Mostly Clear.
Fri
39° 26°
Partly Cloudy with a 26% chance of rain.
Sat
34° 23°
Mostly Clear with a 22% chance of rain.
Sun
36° 21°
Clear.
Mon
38° 21°
Clear.
Tue
39° 23°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 39° Mostly Clear 3% 12 mph SSE 23%
6 PM 40° Mostly Clear 3% 13 mph SSE 24%
7 PM 39° Mostly Clear 3% 14 mph SSE 25%
8 PM 37° Mostly Clear 3% 13 mph SSE 28%
9 PM 36° Mostly Clear 3% 11 mph SSE 32%
10 PM 33° Mostly Clear 4% 10 mph SSE 34%
11 PM 32° Clear 4% 10 mph SSE 37%
12 AM 31° Clear 4% 9 mph SSE 39%
1 AM 31° Clear 5% 9 mph SSE 42%
2 AM 29° Mostly Clear 5% 8 mph S 44%
3 AM 28° Mostly Clear 5% 7 mph S 47%
4 AM 28° Mostly Clear 3% 6 mph S 49%
5 AM 27° Mostly Clear 3% 6 mph S 51%
6 AM 24° Clear 3% 6 mph S 53%
7 AM 25° Clear 3% 6 mph S 54%
8 AM 27° Clear 3% 8 mph SSW 49%
9 AM 29° Clear 3% 9 mph SW 42%
10 AM 31° Mostly Clear 5% 10 mph SW 37%
11 AM 32° Mostly Clear 5% 10 mph SW 35%
12 PM 34° Mostly Clear 5% 10 mph SSW 33%
1 PM 35° Partly Cloudy 5% 10 mph SSW 31%
2 PM 37° Mostly Clear 5% 11 mph SSW 30%
3 PM 37° Mostly Clear 5% 12 mph SSW 29%
4 PM 37° Mostly Clear 5% 12 mph SSW 28%
15-Day Forecast
Today
7/29
Mostly Clear
4%
24°
41°
Thu
7/30
Mostly Clear
12%
24°
40°
Fri
7/31
Partly Cloudy
26%
26°
39°
Sat
8/1
Mostly Clear
22%
23°
34°
Sun
8/2
Clear
3%
21°
36°
Mon
8/3
Clear
3%
21°
38°
Tue
8/4
Mostly Clear
8%
23°
39°
Wed
8/5
Clear
43%
25°
39°
Thu
8/6
Clear
18%
25°
39°
Fri
8/7
Clear
19%
25°
39°
Sat
8/8
Clear
27%
24°
39°
Sun
8/9
Clear
25%
27°
39°
Mon
8/10
Drizzle
60%
27°
40°
Tue
8/11
Drizzle
60%
27°
39°
Wed
8/12
Clear
25%
27°
39°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 38 Good 38 38
Fri 53 Moderate 39 53
Sat 50 Good 48 50
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE278 J/kg
MLCAPE22 J/kg
MUCAPE278 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.5
Kinematics
0–6 km Shear26 kt
0–1 km Shear1 kt
Eff. Shear24 kt
0–1 km SRH5
0–3 km SRH-45
Eff. SRH-45
Storm Motion265° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.6
Thermo & Levels
PWAT1.60 in
0–3 km LR9.1 °C/km
700–500 LR6.5 °C/km
Total Totals47.3
LCL660 hPa
LFC949 hPa
EL312 hPa
Freezing Lvl15,659 ft