Grant County, Oklahoma, United States

Last updated: 9:14 PM CDT  ·  Refresh
32°C
Feels like 33°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
7 mph E
Humidity
43%
Dew Point
18°
Pressure
28.79 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
28%
Sunrise
6:53 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grant County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1396 J/kg) — isolated convective development possible. Sunrise: 6:53AM · Sunset: 8:14PM.

Alerts

No active alerts for this location.
90 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
8%
10 PM
31°
19%
11 PM
29°
19%
12 AM
28°
19%
1 AM
28°
7%
2 AM
28°
7%
3 AM
27°
7%
4 AM
27°
7%
5 AM
26°
8%
6 AM
24°
8%
7 AM
24°
5%
8 AM
26°
5%
9 AM
27°
5%
10 AM
27°
5%
11 AM
28°
5%
12 PM
29°
3%
1 PM
31°
3%
2 PM
33°
3%
3 PM
34°
3%
4 PM
37°
5%
5 PM
37°
5%
6 PM
34°
5%
7 PM
34°
5%
8 PM
33°
6%
7-Day Forecast
Tonight
38° 24°
Mostly Clear.
Sat
37° 24°
Partly Cloudy.
Sun
38° 20°
Partly Cloudy.
Mon
38° 22°
Clear with a 37% chance of rain.
Tue
38° 24°
Drizzle, 42% chance.
Wed
37° 23°
Clear with a 64% chance of rain.
Thu
36° 21°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 8% 7 mph E 43%
10 PM 31° Partly Cloudy 19% 7 mph ESE 41%
11 PM 29° Partly Cloudy 19% 6 mph ESE 44%
12 AM 28° Mostly Clear 19% 6 mph ESE 47%
1 AM 28° Mostly Clear 7% 6 mph ESE 50%
2 AM 28° Mostly Clear 7% 7 mph ESE 52%
3 AM 27° Partly Cloudy 7% 7 mph SE 54%
4 AM 27° Mostly Cloudy 7% 9 mph SE 56%
5 AM 26° Partly Cloudy 8% 9 mph SE 58%
6 AM 24° Partly Cloudy 8% 9 mph SE 60%
7 AM 24° Mostly Clear 5% 10 mph SE 60%
8 AM 26° Partly Cloudy 5% 8 mph SE 56%
9 AM 27° Partly Cloudy 5% 11 mph ESE 50%
10 AM 27° Mostly Cloudy 5% 11 mph ESE 45%
11 AM 28° Partly Cloudy 5% 13 mph ESE 43%
12 PM 29° Partly Cloudy 3% 14 mph E 41%
1 PM 31° Partly Cloudy 3% 16 mph E 39%
2 PM 33° Partly Cloudy 3% 15 mph E 37%
3 PM 34° Mostly Clear 3% 14 mph E 36%
4 PM 37° Mostly Clear 5% 13 mph E 34%
5 PM 37° Mostly Clear 5% 14 mph E 35%
6 PM 34° Mostly Clear 5% 14 mph E 37%
7 PM 34° Mostly Clear 5% 14 mph E 43%
8 PM 33° Mostly Clear 6% 13 mph E 46%
15-Day Forecast
Today
8/21
Mostly Clear
8%
24°
38°
Sat
8/22
Partly Cloudy
19%
24°
37°
Sun
8/23
Partly Cloudy
18%
20°
38°
Mon
8/24
Clear
37%
22°
38°
Tue
8/25
Drizzle
42%
24°
38°
Wed
8/26
Clear
64%
23°
37°
Thu
8/27
Clear
31%
21°
36°
Fri
8/28
Clear
27%
24°
41°
Sat
8/29
Drizzle
44%
27°
43°
Sun
8/30
Clear
68%
28°
42°
Mon
8/31
Clear
25%
28°
42°
Tue
9/1
Clear
60%
28°
42°
Wed
9/2
Drizzle
60%
27°
39°
Thu
9/3
Clear
60%
26°
37°
Fri
9/4
Clear
60%
26°
37°
90
Moderate
U.S. Air Quality Index · Dominant: O3
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
39 AQI 7.0 µg/m³
O3
Ground-level ozone
Dominant
90 AQI 68 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 90 Moderate 90 39
Sun 61 Moderate 61 48
Mon 64 Moderate 64 52
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 Sat Aug 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE846 J/kg
MLCAPE686 J/kg
MUCAPE964 J/kg
SBCIN-540 J/kg
MLCIN-373 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear36 kt
0–1 km Shear3 kt
Eff. Shear37 kt
0–1 km SRH-6
0–3 km SRH76
Eff. SRH109
Storm Motion38° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell2.0
K-Index32.5
Thermo & Levels
PWAT1.46 in
0–3 km LR6.4 °C/km
700–500 LR7.8 °C/km
Total Totals52.1
LCL788 hPa
LFC594 hPa
EL190 hPa
Freezing Lvl15,381 ft