Clark County, Illinois, United States

Last updated: 3:47 PM CDT · Refresh

30°C

Feels like 35°

Mostly Cloudy

▲ 31° / ▼ 23°

Wind

6 mph SSW

Humidity

70%

Dew Point

24°

Pressure

29,41 inHg

Visibility

9 mi

UV Index

5,4

Cloud Cover

74%

Sunrise

6:04 AM

Sunset

7:46 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently mostly cloudy at 30°C. Precipitation is likely — peak probability 53% around 9 AM. Atmospheric instability is elevated (CAPE up to 3004 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 7:46PM.

36 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

30°

13%

4 PM

30°

5 PM

31°

6 PM

30°

7 PM

29°

21%

8 PM

27°

21%

9 PM

26°

21%

10 PM

26°

21%

11 PM

25°

22%

12 AM

25°

30%

1 AM

25°

31%

2 AM

25°

36%

3 AM

24°

36%

4 AM

24°

46%

5 AM

23°

46%

6 AM

23°

42%

7 AM

23°

43%

8 AM

24°

52%

9 AM

23°

52%

10 AM

24°

42%

11 AM

25°

42%

12 PM

26°

35%

1 PM

27°

35%

2 PM

28°

42%

7-Day Forecast

Today

31° 23°

Mostly Cloudy with a 21% chance of rain.

Sun

29° 22°

Rain, 52% chance.

Mon

27° 19°

Partly Cloudy with a 31% chance of rain.

Tue

28° 15°

Partly Cloudy with a 71% chance of rain.

Wed

28° 18°

Drizzle, 60% chance.

Thu

24° 17°

Drizzle, 60% chance.

Fri

26° 16°

Clear with a 35% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 30° Mostly Cloudy 13% 6 mph SSW 70%

4 PM 30° Mostly Cloudy 9% 6 mph SW 71%

5 PM 31° Mostly Cloudy 8% 4 mph SW 75%

6 PM 30° Partly Cloudy 8% 3 mph WSW 80%

7 PM 29° Partly Cloudy 21% 2 mph S 84%

8 PM 27° Partly Cloudy 21% 3 mph SE 86%

9 PM 26° Mostly Clear 21% 4 mph SE 88%

10 PM 26° Clear 21% 4 mph SSE 89%

11 PM 25° Partly Cloudy 22% 4 mph S 89%

12 AM 25° Partly Cloudy 30% 6 mph S 89%

1 AM 25° Partly Cloudy 31% 6 mph SSW 89%

2 AM 25° Partly Cloudy 36% 6 mph SW 88%

3 AM 24° Partly Cloudy 36% 6 mph SW 86%

4 AM 24° Partly Cloudy 46% 7 mph SW 85%

5 AM 23° Mostly Cloudy 46% 7 mph SW 85%

6 AM 23° Mostly Cloudy 42% 7 mph WSW 85%

7 AM 23° Mostly Cloudy 43% 7 mph WSW 86%

8 AM 24° Overcast 52% 9 mph W 86%

9 AM 23° Rain 52% 11 mph W 86%

10 AM 24° Rain 42% 10 mph W 84%

11 AM 25° Rain 42% 9 mph W 83%

12 PM 26° Rain 35% 9 mph W 81%

1 PM 27° Rain 35% 9 mph W 80%

2 PM 28° Mostly Cloudy 42% 9 mph W 80%

15-Day Forecast

Today

8/15

Mostly Cloudy

21%

23°

31°

Sun

8/16

Rain

52%

22°

29°

Mon

8/17

Partly Cloudy

31%

19°

27°

Tue

8/18

Partly Cloudy

71%

15°

28°

Wed

8/19

Drizzle

60%

18°

28°

Thu

8/20

Drizzle

60%

17°

24°

Fri

8/21

Clear

35%

16°

26°

Sat

8/22

Clear

25%

17°

27°

Sun

8/23

Clear

60%

17°

27°

Mon

8/24

Clear

25%

18°

29°

Tue

8/25

Drizzle

60%

19°

29°

Wed

8/26

Drizzle

60%

17°

28°

Thu

8/27

Drizzle

60%

16°

27°

Fri

8/28

Drizzle

60%

16°

27°

Sat

8/29

Drizzle

60%

17°

28°

Good

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

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

36 AQI 6.4 µg/m³

O₃

Ground-level ozone

29 AQI 32 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sun 36 Good 29 36

Mon 38 Good 27 38

Tue 43 Good 28 43

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 sam. août 15, 19:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE2728 J/kg

MLCAPE820 J/kg

MUCAPE2728 J/kg

SBCIN-15 J/kg

MLCIN-119 J/kg

Lifted Index-6.1

Kinematics

0–6 km Shear23 kt

0–1 km Shear13 kt

Eff. Shear24 kt

0–1 km SRH68

0–3 km SRH149

Eff. SRH149

Storm Motion326° @ 17 kt

0–1 km EHI1.2

Composite Parameters

Sig. Tornado0.0

STP (eff)0.2

Supercell5.1

K-Index37.3

Thermo & Levels

PWAT2.16 in

0–3 km LR6.4 °C/km

700–500 LR5.7 °C/km

Total Totals44.4

LCL914 hPa

LFC808 hPa

EL143 hPa

Freezing Lvl15,456 ft

Clark County, Illinois, United States

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