Clay County, Illinois, United States

Last updated: 7:11 PM CDT · Refresh

27°C

Feels like 31°

Partly Cloudy

▲ 32° / ▼ 20°

Wind

8 mph W

Humidity

80%

Dew Point

23°

Pressure

29.41 inHg

Visibility

10 mi

UV Index

2.7

Cloud Cover

53%

Sunrise

5:34 AM

Sunset

8:22 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Clay County is currently partly cloudy at 27°C. Precipitation is likely — peak probability 70% around 8 PM. Atmospheric instability is elevated (CAPE up to 2061 J/kg) — isolated convective development possible. Sunrise: 5:34AM · Sunset: 8:22PM.

58 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

27°

63%

8 PM

27°

70%

9 PM

25°

57%

10 PM

24°

46%

11 PM

24°

50%

12 AM

23°

56%

1 AM

22°

38%

2 AM

22°

36%

3 AM

22°

41%

4 AM

22°

33%

5 AM

20°

41%

6 AM

20°

32%

7 AM

21°

32%

8 AM

22°

33%

9 AM

24°

30%

10 AM

24°

31%

11 AM

26°

31%

12 PM

26°

38%

1 PM

28°

42%

2 PM

28°

42%

3 PM

28°

43%

4 PM

28°

43%

5 PM

28°

48%

6 PM

27°

48%

7-Day Forecast

Tonight

32° 20°

Partly Cloudy with a 63% chance of rain.

Sun

29° 20°

Mostly Cloudy with a 42% chance of rain.

Mon

28° 19°

Partly Cloudy with a 40% chance of rain.

Tue

28° 18°

Mostly Clear.

Wed

28° 19°

Partly Cloudy.

Thu

29° 22°

Rain, 77% chance.

Fri

29° 21°

Rain, 90% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 27° Partly Cloudy 63% 8 mph W 80%

8 PM 27° Overcast 70% 6 mph WSW 87%

9 PM 25° Mostly Cloudy 57% 3 mph SSW 89%

10 PM 24° Mostly Cloudy 46% 6 mph SW 91%

11 PM 24° Partly Cloudy 50% 6 mph WSW 92%

12 AM 23° Mostly Cloudy 56% 7 mph W 94%

1 AM 22° Mostly Cloudy 38% 7 mph W 96%

2 AM 22° Mostly Cloudy 36% 5 mph W 96%

3 AM 22° Partly Cloudy 41% 4 mph W 96%

4 AM 22° Partly Cloudy 33% 4 mph W 96%

5 AM 20° Mostly Cloudy 41% 4 mph WNW 96%

6 AM 20° Partly Cloudy 32% 4 mph NW 96%

7 AM 21° Mostly Cloudy 32% 5 mph NNW 94%

8 AM 22° Partly Cloudy 33% 5 mph NNW 90%

9 AM 24° Partly Cloudy 30% 5 mph NNW 85%

10 AM 24° Partly Cloudy 31% 5 mph NNW 81%

11 AM 26° Partly Cloudy 31% 5 mph NNW 78%

12 PM 26° Partly Cloudy 38% 5 mph NNW 74%

1 PM 28° Mostly Cloudy 42% 5 mph NNW 71%

2 PM 28° Mostly Cloudy 42% 5 mph NNW 71%

3 PM 28° Partly Cloudy 43% 6 mph NNW 71%

4 PM 28° Partly Cloudy 43% 6 mph NNW 72%

5 PM 28° Rain 48% 7 mph NNW 74%

6 PM 27° Rain 48% 7 mph NNW 77%

15-Day Forecast

Today

7/4

Partly Cloudy

63%

20°

32°

Sun

7/5

Mostly Cloudy

42%

20°

29°

Mon

7/6

Partly Cloudy

40%

19°

28°

Tue

7/7

Mostly Clear

14%

18°

28°

Wed

7/8

Partly Cloudy

16%

19°

28°

Thu

7/9

Rain

77%

22°

29°

Fri

7/10

Rain

90%

21°

29°

Sat

7/11

Clear

17%

19°

27°

Sun

7/12

Drizzle

63%

17°

26°

Mon

7/13

Clear

44%

17°

27°

Tue

7/14

Drizzle

60%

18°

29°

Wed

7/15

Drizzle

60%

18°

29°

Thu

7/16

Drizzle

60%

18°

27°

Fri

7/17

Drizzle

60%

18°

27°

Sat

7/18

Drizzle

60%

18°

27°

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

58 AQI 12.8 µg/m³

O₃

Ground-level ozone

36 AQI 40 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 58 Moderate 36 58

Mon 43 Good 32 43

Tue 54 Moderate 40 54

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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1921 J/kg

MLCAPE2686 J/kg

MUCAPE2938 J/kg

SBCIN-76 J/kg

MLCIN0 J/kg

Lifted Index-5.7

Kinematics

0–6 km Shear11 kt

0–1 km Shear9 kt

Eff. Shear11 kt

0–1 km SRH-38

0–3 km SRH-64

Eff. SRH-64

Storm Motion211° @ 17 kt

0–1 km EHI-0.5

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index36.6

Thermo & Levels

PWAT2.28 in

0–3 km LR6.0 °C/km

700–500 LR6.0 °C/km

Total Totals50.4

LCL935 hPa

LFC852 hPa

EL170 hPa

Freezing Lvl14,616 ft

Clay County, Illinois, United States

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