Severe Thunderstorm Watch 9:00 PM

Grant County, Oklahoma, United States

Last updated: 7:10 PM CDT  ·  Refresh
38°C
Feels like 37°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
6 mph SE
Humidity
25%
Dew Point
16°
Pressure
28.77 inHg
Visibility
10 mi
UV Index
3.1
Cloud Cover
21%
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 38°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1817 J/kg) — isolated convective development possible. Sunrise: 6:53AM · Sunset: 8:14PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
90 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
38°
15%
8 PM
36°
31%
9 PM
33°
18%
10 PM
30°
18%
11 PM
29°
18%
12 AM
29°
18%
1 AM
28°
7%
2 AM
28°
7%
3 AM
27°
7%
4 AM
27°
7%
5 AM
26°
7%
6 AM
24°
8%
7 AM
24°
8%
8 AM
26°
5%
9 AM
27°
5%
10 AM
28°
5%
11 AM
29°
5%
12 PM
29°
3%
1 PM
30°
3%
2 PM
35°
3%
3 PM
36°
5%
4 PM
36°
5%
5 PM
37°
6%
6 PM
36°
6%
7-Day Forecast
Tonight
38° 24°
Mostly Clear.
Sat
38° 24°
Partly Cloudy.
Sun
38° 21°
Partly Cloudy.
Mon
38° 23°
Mostly Clear with a 52% chance of rain.
Tue
38° 24°
Rain, 60% chance.
Wed
37° 23°
Rain, 63% chance.
Thu
37° 21°
Partly Cloudy with a 32% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 38° Mostly Clear 15% 6 mph SE 25%
8 PM 36° Mostly Clear 31% 6 mph ESE 32%
9 PM 33° Mostly Clear 18% 7 mph ESE 38%
10 PM 30° Mostly Clear 18% 7 mph SE 43%
11 PM 29° Mostly Clear 18% 7 mph SE 45%
12 AM 29° Mostly Clear 18% 6 mph SSE 47%
1 AM 28° Partly Cloudy 7% 5 mph SSE 50%
2 AM 28° Partly Cloudy 7% 5 mph SE 52%
3 AM 27° Partly Cloudy 7% 5 mph SE 54%
4 AM 27° Partly Cloudy 7% 6 mph ESE 56%
5 AM 26° Partly Cloudy 7% 6 mph SE 57%
6 AM 24° Partly Cloudy 8% 7 mph SE 58%
7 AM 24° Partly Cloudy 8% 7 mph SE 59%
8 AM 26° Partly Cloudy 5% 8 mph SE 54%
9 AM 27° Partly Cloudy 5% 11 mph ESE 48%
10 AM 28° Partly Cloudy 5% 11 mph E 42%
11 AM 29° Partly Cloudy 5% 12 mph E 41%
12 PM 29° Partly Cloudy 3% 14 mph ENE 41%
1 PM 30° Partly Cloudy 3% 16 mph ENE 42%
2 PM 35° Partly Cloudy 3% 16 mph ENE 41%
3 PM 36° Partly Cloudy 5% 14 mph ENE 40%
4 PM 36° Partly Cloudy 5% 14 mph ENE 39%
5 PM 37° Mostly Clear 6% 12 mph E 40%
6 PM 36° Clear 6% 13 mph E 40%
15-Day Forecast
Today
8/21
Mostly Clear
18%
24°
38°
Sat
8/22
Partly Cloudy
8%
24°
38°
Sun
8/23
Partly Cloudy
16%
21°
38°
Mon
8/24
Mostly Clear
52%
23°
38°
Tue
8/25
Rain
60%
24°
38°
Wed
8/26
Rain
63%
23°
37°
Thu
8/27
Partly Cloudy
32%
21°
37°
Fri
8/28
Mostly Cloudy
39%
28°
41°
Sat
8/29
Drizzle
46%
26°
41°
Sun
8/30
Drizzle
54%
28°
41°
Mon
8/31
Clear
39%
27°
42°
Tue
9/1
Clear
25%
27°
42°
Wed
9/2
Drizzle
60%
27°
38°
Thu
9/3
Drizzle
60%
26°
38°
Fri
9/4
Drizzle
60%
25°
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 Fri Aug 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1295 J/kg
MLCAPE564 J/kg
MUCAPE1295 J/kg
SBCIN-124 J/kg
MLCIN-247 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear23 kt
0–1 km Shear3 kt
Eff. Shear29 kt
0–1 km SRH-0
0–3 km SRH14
Eff. SRH14
Storm Motion41° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index31.6
Thermo & Levels
PWAT1.41 in
0–3 km LR8.4 °C/km
700–500 LR7.5 °C/km
Total Totals49.3
LCL713 hPa
LFC628 hPa
EL174 hPa
Freezing Lvl15,043 ft