Clark County, Illinois, United States

Last updated: 8:22 PM CDT · Refresh

24°C

Feels like 28°

Rain

▲ 32° / ▼ 20°

Wind

4 mph W

Humidity

88%

Dew Point

23°

Pressure

29.29 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

82%

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 rain at 25°C. Precipitation is likely — peak probability 87% around 8 PM. Atmospheric instability is elevated (CAPE up to 1515 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

24°

87%

9 PM

24°

75%

10 PM

23°

64%

11 PM

23°

65%

12 AM

23°

49%

1 AM

22°

31%

2 AM

22°

31%

3 AM

22°

27%

4 AM

22°

23%

5 AM

20°

23%

6 AM

20°

7 AM

20°

19%

8 AM

21°

13%

9 AM

23°

14%

10 AM

24°

23%

11 AM

24°

23%

12 PM

25°

27%

1 PM

26°

39%

2 PM

27°

43%

3 PM

28°

44%

4 PM

28°

34%

5 PM

27°

34%

6 PM

27°

34%

7 PM

26°

35%

7-Day Forecast

Tonight

32° 20°

Rain, 87% chance.

Sun

28° 20°

Partly Cloudy with a 43% chance of rain.

Mon

27° 19°

Partly Cloudy with a 40% chance of rain.

Tue

28° 17°

Mostly Clear.

Wed

28° 19°

Clear.

Thu

28° 21°

Rain, 90% chance.

Fri

27° 18°

Rain, 82% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Rain 87% 4 mph W 88%

9 PM 24° Rain 75% 4 mph SW 92%

10 PM 23° Mostly Cloudy 64% 5 mph S 95%

11 PM 23° Mostly Cloudy 65% 6 mph SW 95%

12 AM 23° Overcast 49% 6 mph WSW 96%

1 AM 22° Overcast 31% 5 mph WSW 96%

2 AM 22° Overcast 31% 4 mph W 96%

3 AM 22° Mostly Cloudy 27% 4 mph WNW 96%

4 AM 22° Mostly Cloudy 23% 5 mph WNW 96%

5 AM 20° Mostly Cloudy 23% 4 mph NW 96%

6 AM 20° Mostly Cloudy 8% 5 mph NW 95%

7 AM 20° Mostly Cloudy 19% 6 mph NNW 94%

8 AM 21° Mostly Cloudy 13% 6 mph NNW 91%

9 AM 23° Mostly Cloudy 14% 6 mph NNW 87%

10 AM 24° Mostly Cloudy 23% 6 mph NNW 85%

11 AM 24° Mostly Cloudy 23% 7 mph NW 83%

12 PM 25° Mostly Cloudy 27% 7 mph NNW 80%

1 PM 26° Partly Cloudy 39% 7 mph NNW 78%

2 PM 27° Partly Cloudy 43% 7 mph NNW 76%

3 PM 28° Partly Cloudy 44% 7 mph NW 74%

4 PM 28° Mostly Clear 34% 7 mph NW 74%

5 PM 27° Partly Cloudy 34% 8 mph NNW 77%

6 PM 27° Mostly Cloudy 34% 8 mph NNW 80%

7 PM 26° Mostly Cloudy 35% 8 mph NNW 83%

15-Day Forecast

Today

7/4

Rain

87%

20°

32°

Sun

7/5

Partly Cloudy

43%

20°

28°

Mon

7/6

Partly Cloudy

40%

19°

27°

Tue

7/7

Mostly Clear

11%

17°

28°

Wed

7/8

Clear

16%

19°

28°

Thu

7/9

Rain

90%

21°

28°

Fri

7/10

Rain

82%

18°

27°

Sat

7/11

Clear

17%

18°

26°

Sun

7/12

Drizzle

43%

16°

26°

Mon

7/13

Drizzle

44%

14°

27°

Tue

7/14

Clear

36%

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°

28°

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 Sat Jul 4, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1467 J/kg

MLCAPE1589 J/kg

MUCAPE1712 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index-3.8

Kinematics

0–6 km Shear16 kt

0–1 km Shear10 kt

Eff. Shear14 kt

0–1 km SRH-36

0–3 km SRH-47

Eff. SRH-47

Storm Motion234° @ 22 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index39.0

Thermo & Levels

PWAT2.37 in

0–3 km LR5.7 °C/km

700–500 LR5.2 °C/km

Total Totals47.8

LCL966 hPa

LFC992 hPa

EL179 hPa

Freezing Lvl13,583 ft

Clark County, Illinois, United States

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