Jefferson County, Ohio, United States

Last updated: 11:26 PM CDT · Refresh

22°C

Feels like 26°

Mostly Cloudy

▲ 24° / ▼ 17°

Wind

6 mph WSW

Humidity

98%

Dew Point

22°

Pressure

28.77 inHg

Visibility

9 mi

UV Index

0.0

Cloud Cover

75%

Sunrise

6:36 AM

Sunset

8:17 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently mostly cloudy at 22°C. Precipitation is likely — peak probability 79% around 4 PM. Atmospheric instability is elevated (CAPE up to 1098 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 8:17PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

22°

22%

1 AM

23°

47%

2 AM

23°

46%

3 AM

23°

45%

4 AM

23°

50%

5 AM

22°

43%

6 AM

22°

40%

7 AM

22°

32%

8 AM

22°

49%

9 AM

22°

50%

10 AM

23°

61%

11 AM

23°

73%

12 PM

23°

73%

1 PM

23°

65%

2 PM

24°

66%

3 PM

24°

74%

4 PM

23°

79%

5 PM

24°

57%

6 PM

24°

57%

7 PM

24°

38%

8 PM

23°

22%

9 PM

22°

21%

10 PM

21°

20%

11 PM

21°

20%

7-Day Forecast

Today

24° 17°

Overcast with a 74% chance of rain.

Tue

26° 17°

Mostly Cloudy.

Wed

26° 16°

Mostly Cloudy with a 59% chance of rain.

Thu

24° 14°

Fog with a 58% chance of rain.

Fri

23° 14°

Drizzle, 51% chance.

Sat

26° 14°

Rain, 63% chance.

Sun

24° 13°

Drizzle, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 22° Mostly Cloudy 22% 6 mph WSW 98%

1 AM 23° Mostly Cloudy 47% 6 mph WSW 98%

2 AM 23° Mostly Cloudy 46% 6 mph WSW 99%

3 AM 23° Rain 45% 6 mph W 99%

4 AM 23° Overcast 50% 6 mph W 99%

5 AM 22° Overcast 43% 5 mph W 98%

6 AM 22° Overcast 40% 5 mph W 98%

7 AM 22° Overcast 32% 5 mph W 98%

8 AM 22° Overcast 49% 5 mph W 96%

9 AM 22° Overcast 50% 5 mph W 94%

10 AM 23° Overcast 61% 5 mph W 91%

11 AM 23° Rain 73% 5 mph W 90%

12 PM 23° Overcast 73% 6 mph W 89%

1 PM 23° Overcast 65% 6 mph W 88%

2 PM 24° Overcast 66% 6 mph W 88%

3 PM 24° Overcast 74% 5 mph W 88%

4 PM 23° Overcast 79% 5 mph WNW 88%

5 PM 24° Rain 57% 5 mph WNW 87%

6 PM 24° Mostly Cloudy 57% 5 mph NW 85%

7 PM 24° Partly Cloudy 38% 5 mph NW 84%

8 PM 23° Partly Cloudy 22% 5 mph NW 83%

9 PM 22° Partly Cloudy 21% 4 mph NNW 84%

10 PM 21° Partly Cloudy 20% 4 mph NNW 86%

11 PM 21° Partly Cloudy 20% 4 mph NNW 87%

15-Day Forecast

Today

8/17

Overcast

74%

17°

24°

Tue

8/18

Mostly Cloudy

12%

17°

26°

Wed

8/19

Mostly Cloudy

59%

16°

26°

Thu

8/20

Fog

58%

14°

24°

Fri

8/21

Drizzle

51%

14°

23°

Sat

8/22

Rain

63%

14°

26°

Sun

8/23

Drizzle

63%

13°

24°

Mon

8/24

Drizzle

44%

11°

23°

Tue

8/25

Drizzle

44%

12°

24°

Wed

8/26

Drizzle

51%

15°

26°

Thu

8/27

Drizzle

60%

14°

26°

Fri

8/28

Drizzle

60%

14°

24°

Sat

8/29

Drizzle

60%

13°

24°

Sun

8/30

Clear

25%

13°

26°

Mon

8/31

Drizzle

60%

14°

26°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

52 AQI 9.4 µg/m³

O₃

Ground-level ozone

29 AQI 32 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 52 Moderate 29 52

Tue 38 Good 36 38

Wed 39 Good 36 39

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 Mon Aug 17, 03:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE440 J/kg

MLCAPE425 J/kg

MUCAPE799 J/kg

SBCIN-18 J/kg

MLCIN-13 J/kg

Lifted Index-1.6

Kinematics

0–6 km Shear17 kt

0–1 km Shear12 kt

Eff. Shear19 kt

0–1 km SRH51

0–3 km SRH61

Eff. SRH61

Storm Motion337° @ 20 kt

0–1 km EHI0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index34.5

Thermo & Levels

PWAT2.03 in

0–3 km LR4.5 °C/km

700–500 LR5.4 °C/km

Total Totals42.6

LCL969 hPa

LFC787 hPa

EL250 hPa

Freezing Lvl14,816 ft

Jefferson County, Ohio, United States

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