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

Marshall County, Oklahoma, United States

Last updated: 5:18 PM CDT  ·  Refresh
37°C
Feels like 39°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
11 mph SSE
Humidity
32%
Dew Point
19°
Pressure
28.96 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
19%
Sunrise
6:36 AM
Sunset
8:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently mostly clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 699 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 8:30PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
6 PM
37°
3%
7 PM
36°
3%
8 PM
34°
3%
9 PM
32°
3%
10 PM
30°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
26°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
34°
3%
1 PM
34°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
7-Day Forecast
Today
38° 24°
Mostly Clear.
Thu
38° 24°
Partly Cloudy.
Fri
41° 26°
Partly Cloudy with a 22% chance of rain.
Sat
35° 23°
Partly Cloudy.
Sun
35° 19°
Clear.
Mon
37° 21°
Clear.
Tue
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 3% 11 mph SSE 32%
6 PM 37° Mostly Clear 3% 11 mph SSE 31%
7 PM 36° Mostly Clear 3% 10 mph SSE 31%
8 PM 34° Mostly Clear 3% 9 mph SSE 34%
9 PM 32° Partly Cloudy 3% 7 mph SSE 38%
10 PM 30° Partly Cloudy 3% 7 mph SSE 43%
11 PM 29° Partly Cloudy 3% 7 mph SSE 50%
12 AM 28° Partly Cloudy 3% 7 mph SSE 57%
1 AM 27° Partly Cloudy 3% 7 mph SSE 63%
2 AM 27° Partly Cloudy 3% 6 mph SSE 65%
3 AM 26° Mostly Clear 3% 6 mph SSE 67%
4 AM 26° Mostly Clear 3% 6 mph SSE 68%
5 AM 26° Mostly Clear 3% 6 mph SSE 69%
6 AM 24° Partly Cloudy 3% 6 mph SSE 69%
7 AM 24° Partly Cloudy 3% 6 mph S 69%
8 AM 26° Partly Cloudy 3% 7 mph SSW 64%
9 AM 28° Mostly Cloudy 3% 8 mph SSW 58%
10 AM 30° Mostly Cloudy 3% 9 mph SSW 52%
11 AM 31° Partly Cloudy 3% 9 mph SSW 45%
12 PM 34° Partly Cloudy 3% 9 mph SSW 40%
1 PM 34° Partly Cloudy 3% 9 mph SSW 37%
2 PM 36° Partly Cloudy 3% 9 mph S 36%
3 PM 36° Partly Cloudy 3% 9 mph S 34%
4 PM 36° Partly Cloudy 3% 9 mph S 34%
15-Day Forecast
Today
7/29
Mostly Clear
3%
24°
38°
Thu
7/30
Partly Cloudy
3%
24°
38°
Fri
7/31
Partly Cloudy
22%
26°
41°
Sat
8/1
Partly Cloudy
14%
23°
35°
Sun
8/2
Clear
8%
19°
35°
Mon
8/3
Clear
17%
21°
37°
Tue
8/4
Clear
17%
23°
38°
Wed
8/5
Clear
18%
25°
38°
Thu
8/6
Mostly Clear
18%
26°
38°
Fri
8/7
Mostly Clear
19%
26°
39°
Sat
8/8
Clear
25%
23°
39°
Sun
8/9
Clear
25%
27°
41°
Mon
8/10
Clear
60%
27°
41°
Tue
8/11
Clear
25%
27°
41°
Wed
8/12
Clear
25%
27°
41°
58
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
58 AQI 12.6 µg/m³
O3
Ground-level ozone
48 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 58 Moderate 48 58
Fri 62 Moderate 50 62
Sat 56 Moderate 40 56
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
SBCAPE818 J/kg
MLCAPE305 J/kg
MUCAPE818 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear22 kt
0–1 km Shear0 kt
Eff. Shear26 kt
0–1 km SRH1
0–3 km SRH-35
Eff. SRH-35
Storm Motion267° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.9
Thermo & Levels
PWAT2.00 in
0–3 km LR8.3 °C/km
700–500 LR6.2 °C/km
Total Totals47.2
LCL750 hPa
LFC981 hPa
EL176 hPa
Freezing Lvl16,509 ft