Shelby County, Illinois, United States

Last updated: 8:24 PM CDT · Refresh

25°C

Feels like 28°

Overcast

▲ 32° / ▼ 19°

Wind

7 mph NNW

Humidity

88%

Dew Point

22°

Pressure

29.28 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

94%

Sunrise

5:33 AM

Sunset

8:25 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently overcast at 25°C. Precipitation is likely — peak probability 63% around 9 PM. Atmospheric instability is elevated (CAPE up to 1473 J/kg) — isolated convective development possible. Sunrise: 5:33AM · Sunset: 8:25PM.

56 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

25°

42%

9 PM

24°

63%

10 PM

23°

29%

11 PM

23°

30%

12 AM

23°

23%

1 AM

22°

23%

2 AM

22°

19%

3 AM

21°

23%

4 AM

21°

22%

5 AM

19°

12%

6 AM

19°

12%

7 AM

20°

12%

8 AM

21°

12%

9 AM

23°

12%

10 AM

24°

21%

11 AM

24°

24%

12 PM

25°

28%

1 PM

27°

32%

2 PM

28°

32%

3 PM

28°

32%

4 PM

28°

22%

5 PM

28°

22%

6 PM

28°

18%

7 PM

27°

18%

7-Day Forecast

Tonight

32° 19°

Overcast with a 42% chance of rain.

Sun

28° 19°

Mostly Cloudy with a 32% chance of rain.

Mon

28° 18°

Mostly Cloudy with a 30% chance of rain.

Tue

28° 16°

Clear.

Wed

29° 18°

Clear.

Thu

28° 21°

Rain, 77% chance.

Fri

27° 18°

Heavy Rain, 90% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 25° Overcast 42% 7 mph NNW 88%

9 PM 24° Overcast 63% 3 mph WNW 92%

10 PM 23° Overcast 29% 4 mph SW 93%

11 PM 23° Overcast 30% 6 mph WSW 94%

12 AM 23° Overcast 23% 7 mph W 94%

1 AM 22° Overcast 23% 7 mph W 95%

2 AM 22° Mostly Cloudy 19% 5 mph W 96%

3 AM 21° Partly Cloudy 23% 4 mph WNW 96%

4 AM 21° Mostly Cloudy 22% 4 mph WNW 96%

5 AM 19° Mostly Cloudy 12% 5 mph NW 96%

6 AM 19° Mostly Cloudy 12% 5 mph NNW 95%

7 AM 20° Mostly Cloudy 12% 6 mph NNW 93%

8 AM 21° Mostly Cloudy 12% 6 mph NNW 89%

9 AM 23° Partly Cloudy 12% 6 mph NNW 86%

10 AM 24° Partly Cloudy 21% 7 mph NNW 83%

11 AM 24° Mostly Cloudy 24% 7 mph NNW 80%

12 PM 25° Mostly Cloudy 28% 7 mph NNW 78%

1 PM 27° Mostly Cloudy 32% 7 mph NNW 76%

2 PM 28° Mostly Cloudy 32% 8 mph NNW 73%

3 PM 28° Mostly Cloudy 32% 8 mph NNW 70%

4 PM 28° Mostly Cloudy 22% 8 mph NNW 71%

5 PM 28° Mostly Cloudy 22% 8 mph NNW 75%

6 PM 28° Mostly Cloudy 18% 8 mph NNW 79%

7 PM 27° Mostly Cloudy 18% 8 mph NNW 82%

15-Day Forecast

Today

7/4

Overcast

42%

19°

32°

Sun

7/5

Mostly Cloudy

32%

19°

28°

Mon

7/6

Mostly Cloudy

30%

18°

28°

Tue

7/7

Clear

16°

28°

Wed

7/8

Clear

16%

18°

29°

Thu

7/9

Rain

77%

21°

28°

Fri

7/10

Heavy Rain

90%

18°

27°

Sat

7/11

Clear

53%

18°

26°

Sun

7/12

Drizzle

43%

16°

26°

Mon

7/13

Drizzle

44%

14°

28°

Tue

7/14

Clear

21%

19°

29°

Wed

7/15

Drizzle

60%

20°

29°

Thu

7/16

Drizzle

60%

19°

28°

Fri

7/17

Drizzle

60%

19°

28°

Sat

7/18

Drizzle

60%

20°

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

56 AQI 12.1 µg/m³

O₃

Ground-level ozone

31 AQI 35 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 56 Moderate 31 56

Mon 44 Good 34 44

Tue 56 Moderate 37 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

SBCAPE1032 J/kg

MLCAPE1473 J/kg

MUCAPE1727 J/kg

SBCIN-77 J/kg

MLCIN0 J/kg

Lifted Index-3.9

Kinematics

0–6 km Shear20 kt

0–1 km Shear7 kt

Eff. Shear20 kt

0–1 km SRH-34

0–3 km SRH-99

Eff. SRH-99

Storm Motion222° @ 15 kt

0–1 km EHI-0.2

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index35.8

Thermo & Levels

PWAT2.06 in

0–3 km LR5.4 °C/km

700–500 LR5.9 °C/km

Total Totals46.7

LCL947 hPa

LFC748 hPa

EL200 hPa

Freezing Lvl14,094 ft

Shelby County, Illinois, United States

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