Areal Flood Warning — Coal County, OK, Johnston County, OK, Murray County, OK, Pontotoc County, OK 8:00 PM Areal Flood Warning — Atoka County, OK, Johnston County, OK 8:15 PM Areal Flood Warning — Carter County, OK, Garvin County, OK, Johnston County, OK, Murray County, OK 9:00 PM Areal Flood Watch 7:00 AM

Johnston County, Oklahoma, United States

Last updated: 7:33 PM CDT  ·  Refresh
23°C
Feels like 26°
Overcast
▲ 28°  /  ▼ 20°
Wind
8 mph E
Humidity
89%
Dew Point
22°
Pressure
29.10 inHg
Visibility
10 mi
UV Index
1.2
Cloud Cover
94%
Sunrise
6:15 AM
Sunset
8:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnston County is currently overcast at 24°C. Precipitation is likely — peak probability 55% around 8 PM. Atmospheric instability is elevated (CAPE up to 3889 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 8:42PM.

Alerts

Areal Flood Warning
Coal County, OK, Johnston County, OK, Murray County, OK, Pontotoc County, OK
Expires 8:00 PM
Areal Flood Warning
Atoka County, OK, Johnston County, OK
Expires 8:15 PM
Areal Flood Warning
Carter County, OK, Garvin County, OK, Johnston County, OK, Murray County, OK
Expires 9:00 PM
Areal Flood Watch
Expires 7:00 AM
48 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
38%
8 PM
24°
54%
9 PM
23°
51%
10 PM
23°
43%
11 PM
22°
41%
12 AM
22°
34%
1 AM
21°
19%
2 AM
22°
20%
3 AM
22°
20%
4 AM
22°
20%
5 AM
20°
13%
6 AM
21°
13%
7 AM
21°
13%
8 AM
23°
22%
9 AM
25°
33%
10 AM
27°
33%
11 AM
28°
26%
12 PM
29°
33%
1 PM
29°
27%
2 PM
32°
30%
3 PM
32°
31%
4 PM
32°
31%
5 PM
30°
27%
6 PM
29°
17%
7-Day Forecast
Tonight
28° 20°
Overcast with a 43% chance of rain.
Wed
33° 20°
Drizzle, 33% chance.
Thu
32° 22°
Mostly Clear.
Fri
31° 22°
Partly Cloudy.
Sat
32° 22°
Partly Cloudy.
Sun
32° 21°
Clear.
Mon
32° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 38% 8 mph E 89%
8 PM 24° Overcast 54% 8 mph E 89%
9 PM 23° Rain 51% 7 mph E 92%
10 PM 23° Rain 43% 6 mph E 94%
11 PM 22° Rain 41% 6 mph ESE 95%
12 AM 22° Drizzle 34% 6 mph ESE 96%
1 AM 21° Drizzle 19% 6 mph ESE 97%
2 AM 22° Drizzle 20% 6 mph ESE 98%
3 AM 22° Drizzle 20% 6 mph ESE 98%
4 AM 22° Drizzle 20% 6 mph ESE 97%
5 AM 20° Overcast 13% 6 mph ESE 97%
6 AM 21° Overcast 13% 6 mph ESE 96%
7 AM 21° Mostly Cloudy 13% 5 mph SE 94%
8 AM 23° Drizzle 22% 6 mph SSE 91%
9 AM 25° Drizzle 33% 7 mph S 88%
10 AM 27° Drizzle 33% 7 mph S 83%
11 AM 28° Drizzle 26% 7 mph S 76%
12 PM 29° Drizzle 33% 7 mph SSW 70%
1 PM 29° Drizzle 27% 7 mph SSW 66%
2 PM 32° Drizzle 30% 7 mph SSW 65%
3 PM 32° Drizzle 31% 7 mph SSW 63%
4 PM 32° Drizzle 31% 6 mph S 65%
5 PM 30° Drizzle 27% 6 mph S 69%
6 PM 29° Partly Cloudy 17% 7 mph SSE 74%
15-Day Forecast
Today
6/23
Overcast
43%
20°
28°
Wed
6/24
Drizzle
33%
20°
33°
Thu
6/25
Mostly Clear
6%
22°
32°
Fri
6/26
Partly Cloudy
7%
22°
31°
Sat
6/27
Partly Cloudy
12%
22°
32°
Sun
6/28
Clear
8%
21°
32°
Mon
6/29
Clear
8%
22°
32°
Tue
6/30
Clear
8%
21°
32°
Wed
7/1
Drizzle
50%
21°
33°
Thu
7/2
Drizzle
54%
21°
32°
Fri
7/3
Clear
33%
22°
36°
Sat
7/4
Clear
38%
23°
36°
Sun
7/5
Drizzle
66%
23°
36°
Mon
7/6
Drizzle
66%
24°
36°
Tue
7/7
Drizzle
66%
23°
36°
48
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
26 AQI 4.6 µg/m³
O3
Ground-level ozone
Dominant
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 48 26
Thu 44 Good 44 42
Fri 56 Moderate 39 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 Tue Jun 23, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE915 J/kg
MLCAPE579 J/kg
MUCAPE915 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear50 kt
0–1 km Shear26 kt
Eff. Shear52 kt
0–1 km SRH192
0–3 km SRH93
Eff. SRH93
Storm Motion279° @ 24 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado1.8
STP (eff)0.9
Supercell2.3
K-Index36.4
Thermo & Levels
PWAT1.86 in
0–3 km LR5.1 °C/km
700–500 LR6.0 °C/km
Total Totals48.4
LCL963 hPa
LFC985 hPa
EL174 hPa
Freezing Lvl14,902 ft