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: 4:14 AM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 38°  /  ▼ 26°
Wind
8 mph SSW
Humidity
72%
Dew Point
22°
Pressure
29.15 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
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 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1973 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
27°
3%
5 AM
27°
3%
6 AM
24°
3%
7 AM
23°
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
38°
3%
7 PM
37°
3%
8 PM
35°
3%
9 PM
33°
3%
10 PM
31°
3%
11 PM
29°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
29°
3%
3 AM
29°
3%
7-Day Forecast
Today
38° 26°
Clear.
Wed
40° 26°
Clear.
Thu
39° 24°
Clear.
Fri
39° 24°
Clear.
Sat
41° 24°
Clear.
Sun
41° 23°
Clear.
Mon
41° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 8 mph SSW 72%
5 AM 27° Clear 3% 9 mph SSW 70%
6 AM 24° Clear 3% 9 mph SSW 72%
7 AM 23° Clear 3% 10 mph SSW 72%
8 AM 26° Clear 3% 12 mph SSW 67%
9 AM 27° Clear 3% 13 mph SSW 61%
10 AM 29° Clear 3% 14 mph SSW 54%
11 AM 31° Clear 3% 13 mph SSW 49%
12 PM 33° Clear 3% 13 mph SSW 43%
1 PM 34° Clear 3% 12 mph SSW 38%
2 PM 36° Mostly Clear 3% 12 mph SSW 36%
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 38° Clear 3% 14 mph S 30%
7 PM 37° Clear 3% 14 mph S 32%
8 PM 35° Clear 3% 13 mph S 36%
9 PM 33° Clear 3% 12 mph S 40%
10 PM 31° Clear 3% 12 mph S 43%
11 PM 29° Clear 3% 12 mph S 45%
12 AM 29° Clear 3% 12 mph S 47%
1 AM 28° Clear 3% 13 mph S 49%
2 AM 29° Clear 3% 13 mph S 52%
3 AM 29° Clear 3% 13 mph SSW 56%
15-Day Forecast
Today
8/11
Clear
3%
26°
38°
Wed
8/12
Clear
3%
26°
40°
Thu
8/13
Clear
3%
24°
39°
Fri
8/14
Clear
3%
24°
39°
Sat
8/15
Clear
8%
24°
41°
Sun
8/16
Clear
8%
23°
41°
Mon
8/17
Clear
3%
24°
41°
Tue
8/18
Drizzle
43%
24°
41°
Wed
8/19
Clear
19%
24°
41°
Thu
8/20
Clear
19%
25°
41°
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1101 J/kg
MLCAPE1066 J/kg
MUCAPE1573 J/kg
SBCIN-233 J/kg
MLCIN0 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear1 kt
0–1 km Shear12 kt
Eff. Shear4 kt
0–1 km SRH-30
0–3 km SRH40
Eff. SRH40
Storm Motion125° @ 12 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.3
Thermo & Levels
PWAT1.62 in
0–3 km LR5.4 °C/km
700–500 LR5.8 °C/km
Total Totals45.8
LCL915 hPa
LFC702 hPa
EL191 hPa
Freezing Lvl15,594 ft