Johnston County, Oklahoma, United States

Last updated: 4:50 PM CDT · Refresh

36°C

Feels like 37°

Clear

▲ 37° / ▼ 24°

Wind

11 mph SSE

Humidity

32%

Dew Point

18°

Pressure

29.02 inHg

Visibility

10 mi

UV Index

6.6

Cloud Cover

Sunrise

7:07 AM

Sunset

7:35 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Johnston County is currently clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1711 J/kg) — isolated convective development possible. Sunrise: 7:07AM · Sunset: 7:35PM.

41 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

36°

5 PM

37°

6 PM

36°

7 PM

34°

8 PM

33°

9 PM

31°

10 PM

29°

11 PM

29°

12 AM

28°

1 AM

27°

2 AM

26°

3 AM

26°

4 AM

26°

5 AM

24°

6 AM

24°

7 AM

24°

8 AM

26°

9 AM

27°

10 AM

28°

11 AM

31°

12 PM

32°

1 PM

34°

2 PM

34°

3 PM

34°

7-Day Forecast

Today

37° 24°

Clear.

Mon

38° 24°

Clear.

Tue

38° 23°

Clear.

Wed

36° 23°

Clear.

Thu

35° 23°

Clear.

Fri

35° 23°

Partly Cloudy with a 43% chance of rain.

Sat

35° 22°

Mostly Clear with a 53% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 36° Clear 3% 11 mph SSE 32%

5 PM 37° Clear 3% 11 mph S 33%

6 PM 36° Clear 3% 8 mph S 35%

7 PM 34° Clear 3% 7 mph SSE 38%

8 PM 33° Mostly Clear 3% 7 mph SSE 41%

9 PM 31° Mostly Clear 3% 7 mph SSE 44%

10 PM 29° Mostly Clear 3% 7 mph SSE 48%

11 PM 29° Clear 3% 8 mph SSE 51%

12 AM 28° Clear 3% 8 mph SSE 54%

1 AM 27° Clear 3% 8 mph SSE 58%

2 AM 26° Clear 5% 7 mph S 62%

3 AM 26° Mostly Clear 5% 7 mph S 68%

4 AM 26° Mostly Clear 5% 7 mph S 70%

5 AM 24° Clear 5% 6 mph S 70%

6 AM 24° Clear 5% 7 mph S 71%

7 AM 24° Clear 5% 7 mph S 70%

8 AM 26° Clear 5% 8 mph SSW 67%

9 AM 27° Clear 5% 9 mph SSW 64%

10 AM 28° Clear 5% 9 mph SSW 60%

11 AM 31° Clear 3% 10 mph SSW 56%

12 PM 32° Clear 3% 10 mph S 52%

1 PM 34° Clear 3% 10 mph S 50%

2 PM 34° Clear 3% 10 mph S 48%

3 PM 34° Clear 3% 11 mph S 46%

15-Day Forecast

Today

9/13

Clear

24°

37°

Mon

9/14

Clear

24°

38°

Tue

9/15

Clear

23°

38°

Wed

9/16

Clear

23°

36°

Thu

9/17

Clear

23°

35°

Fri

9/18

Partly Cloudy

43%

23°

35°

Sat

9/19

Mostly Clear

53%

22°

35°

Sun

9/20

Drizzle

53%

21°

33°

Mon

9/21

Drizzle

60%

19°

31°

Tue

9/22

Drizzle

68%

17°

30°

Wed

9/23

Drizzle

67%

18°

30°

Thu

9/24

Drizzle

60%

19°

31°

Fri

9/25

Clear

60%

19°

31°

Sat

9/26

Drizzle

60%

19°

31°

Sun

9/27

Drizzle

60%

19°

31°

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

PM_2.5

Fine particulate matter

33 AQI 6.0 µg/m³

O₃

Ground-level ozone

Dominant

41 AQI 45 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 41 Good 41 33

Tue 44 Good 44 33

Wed 43 Good 43 29

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1042 J/kg

MLCAPE32 J/kg

MUCAPE1042 J/kg

SBCIN-74 J/kg

MLCIN-1 J/kg

Lifted Index-4.0

Kinematics

0–6 km Shear20 kt

0–1 km Shear9 kt

Eff. Shear19 kt

0–1 km SRH-38

0–3 km SRH42

Eff. SRH42

Storm Motion92° @ 18 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index26.1

Thermo & Levels

PWAT1.45 in

0–3 km LR8.0 °C/km

700–500 LR6.8 °C/km

Total Totals48.0

LCL756 hPa

LFC641 hPa

EL188 hPa

Freezing Lvl15,443 ft

Johnston County, Oklahoma, United States

Alerts