Clark County, Illinois, United States

Last updated: 10:38 PM CDT · Refresh

23°C

Feels like 27°

Mostly Cloudy

▲ 32° / ▼ 21°

Wind

3 mph SSW

Humidity

94%

Dew Point

22°

Pressure

29.28 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

65%

Sunrise

5:29 AM

Sunset

8:21 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently mostly cloudy at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1293 J/kg) — isolated convective development possible. Sunrise: 5:29AM · Sunset: 8:21PM.

57 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

25%

11 PM

24°

43%

12 AM

24°

35%

1 AM

23°

35%

2 AM

23°

47%

3 AM

23°

48%

4 AM

23°

41%

5 AM

21°

28%

6 AM

21°

23%

7 AM

22°

8 AM

22°

13%

9 AM

24°

13%

10 AM

25°

22%

11 AM

26°

22%

12 PM

26°

26%

1 PM

28°

45%

2 PM

28°

43%

3 PM

28°

46%

4 PM

28°

41%

5 PM

28°

48%

6 PM

27°

48%

7 PM

27°

48%

8 PM

26°

44%

9 PM

24°

31%

7-Day Forecast

Tonight

32° 21°

Mostly Cloudy with a 25% chance of rain.

Sun

28° 20°

Mostly Cloudy with a 45% chance of rain.

Mon

27° 18°

Mostly Cloudy with a 35% chance of rain.

Tue

28° 16°

Mostly Clear.

Wed

28° 18°

Partly Cloudy with a 30% chance of rain.

Thu

28° 21°

Rain, 90% chance.

Fri

27° 18°

Rain, 71% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Mostly Cloudy 25% 3 mph SSW 94%

11 PM 24° Mostly Cloudy 43% 4 mph SW 94%

12 AM 24° Mostly Cloudy 35% 3 mph SW 94%

1 AM 23° Mostly Cloudy 35% 4 mph WSW 95%

2 AM 23° Overcast 47% 4 mph W 96%

3 AM 23° Mostly Cloudy 48% 6 mph W 97%

4 AM 23° Mostly Cloudy 41% 6 mph W 97%

5 AM 21° Mostly Cloudy 28% 6 mph WNW 97%

6 AM 21° Mostly Cloudy 23% 6 mph WNW 97%

7 AM 22° Mostly Cloudy 8% 5 mph WNW 94%

8 AM 22° Mostly Cloudy 13% 6 mph WNW 90%

9 AM 24° Overcast 13% 7 mph WNW 86%

10 AM 25° Mostly Cloudy 22% 8 mph NW 82%

11 AM 26° Mostly Cloudy 22% 8 mph NW 79%

12 PM 26° Partly Cloudy 26% 8 mph NW 75%

1 PM 28° Partly Cloudy 45% 8 mph NW 72%

2 PM 28° Partly Cloudy 43% 8 mph NW 71%

3 PM 28° Mostly Cloudy 46% 8 mph NW 69%

4 PM 28° Mostly Cloudy 41% 8 mph NW 70%

5 PM 28° Mostly Cloudy 48% 9 mph NW 74%

6 PM 27° Mostly Cloudy 48% 9 mph NW 78%

7 PM 27° Partly Cloudy 48% 9 mph NNW 81%

8 PM 26° Partly Cloudy 44% 8 mph NNW 85%

9 PM 24° Mostly Clear 31% 8 mph NNW 88%

15-Day Forecast

Today

7/4

Mostly Cloudy

25%

21°

32°

Sun

7/5

Mostly Cloudy

45%

20°

28°

Mon

7/6

Mostly Cloudy

35%

18°

27°

Tue

7/7

Mostly Clear

16°

28°

Wed

7/8

Partly Cloudy

30%

18°

28°

Thu

7/9

Rain

90%

21°

28°

Fri

7/10

Rain

71%

18°

27°

Sat

7/11

Clear

17%

18°

26°

Sun

7/12

Drizzle

43%

16°

26°

Mon

7/13

Clear

19%

14°

27°

Tue

7/14

Clear

60%

19°

28°

Wed

7/15

Drizzle

60%

19°

29°

Thu

7/16

Drizzle

60%

19°

28°

Fri

7/17

Drizzle

60%

19°

28°

Sat

7/18

Drizzle

60%

19°

29°

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

57 AQI 12.5 µg/m³

O₃

Ground-level ozone

30 AQI 33 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 57 Moderate 30 57

Mon 52 Moderate 33 52

Tue 56 Moderate 36 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. 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 Jul 5, 02:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE610 J/kg

MLCAPE771 J/kg

MUCAPE1034 J/kg

SBCIN-149 J/kg

MLCIN0 J/kg

Lifted Index-2.8

Kinematics

0–6 km Shear18 kt

0–1 km Shear6 kt

Eff. Shear18 kt

0–1 km SRH-23

0–3 km SRH-94

Eff. SRH-94

Storm Motion217° @ 17 kt

0–1 km EHI-0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index35.3

Thermo & Levels

PWAT2.02 in

0–3 km LR4.9 °C/km

700–500 LR5.6 °C/km

Total Totals46.2

LCL976 hPa

LFC741 hPa

EL243 hPa

Freezing Lvl14,032 ft

Clark County, Illinois, United States

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