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, Hughes, OK, Harmon, OK, Greer, 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, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX 8:00 PM

Marshall County, Oklahoma, United States

Last updated: 5:22 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 37°  /  ▼ 26°
Wind
9 mph SSW
Humidity
73%
Dew Point
21°
Pressure
29.16 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:45 AM
Sunset
8:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1976 J/kg) — isolated convective development possible. Sunrise: 6:45AM · Sunset: 8:18PM.

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, Hughes, OK, Harmon, OK, Greer, 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, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX
Expires 8:00 PM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
37°
3%
7 PM
36°
3%
8 PM
34°
3%
9 PM
33°
3%
10 PM
31°
3%
11 PM
30°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
29°
3%
3 AM
28°
3%
4 AM
28°
3%
7-Day Forecast
Today
37° 26°
Clear.
Wed
40° 26°
Clear.
Thu
39° 24°
Clear.
Fri
39° 24°
Clear.
Sat
40° 24°
Partly Cloudy.
Sun
41° 23°
Mostly Clear.
Mon
41° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 9 mph SSW 73%
6 AM 24° Clear 3% 9 mph SSW 71%
7 AM 24° Clear 3% 10 mph SSW 71%
8 AM 26° Clear 3% 12 mph SSW 65%
9 AM 27° Clear 3% 13 mph SSW 60%
10 AM 29° Clear 3% 13 mph SSW 53%
11 AM 31° Clear 3% 13 mph SSW 48%
12 PM 33° Clear 3% 12 mph SSW 42%
1 PM 34° Clear 3% 12 mph SSW 38%
2 PM 36° Mostly Clear 3% 12 mph SSW 35%
3 PM 37° Mostly Clear 3% 12 mph SSW 33%
4 PM 37° Mostly Clear 3% 13 mph S 31%
5 PM 37° Clear 3% 13 mph S 30%
6 PM 37° Clear 3% 13 mph S 31%
7 PM 36° Clear 3% 13 mph S 32%
8 PM 34° Clear 3% 12 mph S 36%
9 PM 33° Clear 3% 12 mph S 40%
10 PM 31° Clear 3% 11 mph S 43%
11 PM 30° Clear 3% 12 mph S 45%
12 AM 28° Clear 3% 12 mph S 47%
1 AM 28° Clear 3% 12 mph S 50%
2 AM 29° Clear 3% 12 mph S 53%
3 AM 28° Clear 3% 12 mph SSW 56%
4 AM 28° Clear 3% 12 mph SSW 59%
15-Day Forecast
Today
8/11
Clear
3%
26°
37°
Wed
8/12
Clear
3%
26°
40°
Thu
8/13
Clear
3%
24°
39°
Fri
8/14
Clear
3%
24°
39°
Sat
8/15
Partly Cloudy
7%
24°
40°
Sun
8/16
Mostly Clear
7%
23°
41°
Mon
8/17
Clear
8%
24°
41°
Tue
8/18
Mostly Clear
34%
24°
41°
Wed
8/19
Clear
15%
25°
41°
Thu
8/20
Mostly Clear
15%
26°
40°
Fri
8/21
Drizzle
60%
26°
41°
Sat
8/22
Drizzle
60%
26°
41°
Sun
8/23
Drizzle
60%
26°
40°
Mon
8/24
Drizzle
60%
26°
39°
Tue
8/25
Drizzle
60%
25°
39°
44
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
27 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 27
Wed 50 Good 42 50
Thu 44 Good 44 37
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 Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE762 J/kg
MLCAPE327 J/kg
MUCAPE843 J/kg
SBCIN-272 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear5 kt
0–1 km Shear11 kt
Eff. Shear12 kt
0–1 km SRH17
0–3 km SRH26
Eff. SRH31
Storm Motion358° @ 7 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.6
Thermo & Levels
PWAT1.44 in
0–3 km LR5.3 °C/km
700–500 LR5.8 °C/km
Total Totals44.8
LCL918 hPa
LFC688 hPa
EL210 hPa
Freezing Lvl15,584 ft