Douglas County, Illinois, United States

Last updated: 8:24 PM CDT · Refresh

23°C

Feels like 26°

Overcast

▲ 31° / ▼ 19°

Wind

6 mph NNW

Humidity

95%

Dew Point

22°

Pressure

29.24 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

86%

Sunrise

5:30 AM

Sunset

8:24 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Douglas County is currently overcast at 23°C. Precipitation is likely — peak probability 87% around 8 PM. Atmospheric instability is elevated (CAPE up to 1111 J/kg) — isolated convective development possible. Sunrise: 5:30AM · Sunset: 8:24PM.

57 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

87%

9 PM

23°

55%

10 PM

23°

24%

11 PM

23°

24%

12 AM

23°

38%

1 AM

22°

20%

2 AM

21°

37%

3 AM

21°

25%

4 AM

21°

11%

5 AM

19°

11%

6 AM

19°

11%

7 AM

19°

14%

8 AM

21°

28%

9 AM

22°

28%

10 AM

23°

37%

11 AM

24°

37%

12 PM

24°

41%

1 PM

27°

41%

2 PM

27°

41%

3 PM

27°

38%

4 PM

27°

38%

5 PM

27°

38%

6 PM

26°

28%

7 PM

26°

28%

7-Day Forecast

Tonight

31° 19°

Overcast with a 87% chance of rain.

Sun

28° 19°

Mostly Cloudy with a 41% chance of rain.

Mon

27° 18°

Mostly Cloudy with a 30% chance of rain.

Tue

28° 16°

Clear.

Wed

28° 18°

Clear.

Thu

28° 21°

Rain, 90% chance.

Fri

26° 18°

Rain, 82% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Overcast 87% 6 mph NNW 95%

9 PM 23° Overcast 55% 4 mph SE 96%

10 PM 23° Overcast 24% 3 mph SSW 96%

11 PM 23° Overcast 24% 4 mph WSW 96%

12 AM 23° Overcast 38% 4 mph W 97%

1 AM 22° Overcast 20% 4 mph WNW 97%

2 AM 21° Overcast 37% 5 mph WNW 97%

3 AM 21° Mostly Cloudy 25% 5 mph NW 97%

4 AM 21° Mostly Cloudy 11% 5 mph NW 97%

5 AM 19° Mostly Cloudy 11% 5 mph NW 97%

6 AM 19° Mostly Cloudy 11% 5 mph NW 96%

7 AM 19° Mostly Cloudy 14% 6 mph NNW 94%

8 AM 21° Mostly Cloudy 28% 6 mph NNW 91%

9 AM 22° Mostly Cloudy 28% 6 mph NNW 88%

10 AM 23° Mostly Cloudy 37% 7 mph NNW 86%

11 AM 24° Mostly Cloudy 37% 7 mph NNW 84%

12 PM 24° Mostly Cloudy 41% 7 mph NNW 81%

1 PM 27° Mostly Cloudy 41% 7 mph NNW 78%

2 PM 27° Mostly Cloudy 41% 7 mph NNW 76%

3 PM 27° Mostly Cloudy 38% 7 mph NNW 75%

4 PM 27° Mostly Cloudy 38% 7 mph NNW 75%

5 PM 27° Mostly Cloudy 38% 8 mph NNW 78%

6 PM 26° Mostly Cloudy 28% 8 mph NNW 82%

7 PM 26° Mostly Cloudy 28% 8 mph N 84%

15-Day Forecast

Today

7/4

Overcast

87%

19°

31°

Sun

7/5

Mostly Cloudy

41%

19°

28°

Mon

7/6

Mostly Cloudy

30%

18°

27°

Tue

7/7

Clear

16°

28°

Wed

7/8

Clear

16%

18°

28°

Thu

7/9

Rain

90%

21°

28°

Fri

7/10

Rain

82%

18°

26°

Sat

7/11

Clear

17%

17°

26°

Sun

7/12

Drizzle

43%

15°

25°

Mon

7/13

Clear

19%

14°

27°

Tue

7/14

Clear

25%

18°

28°

Wed

7/15

Drizzle

60%

19°

28°

Thu

7/16

Drizzle

60%

19°

27°

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 12.3 µg/m³

O₃

Ground-level ozone

32 AQI 35 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 57 Moderate 32 57

Mon 44 Good 36 44

Tue 55 Moderate 35 55

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

SBCAPE475 J/kg

MLCAPE982 J/kg

MUCAPE1231 J/kg

SBCIN-94 J/kg

MLCIN0 J/kg

Lifted Index-2.3

Kinematics

0–6 km Shear22 kt

0–1 km Shear6 kt

Eff. Shear21 kt

0–1 km SRH-29

0–3 km SRH-73

Eff. SRH-73

Storm Motion228° @ 17 kt

0–1 km EHI-0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index36.5

Thermo & Levels

PWAT2.13 in

0–3 km LR4.8 °C/km

700–500 LR5.7 °C/km

Total Totals47.6

LCL974 hPa

LFC731 hPa

EL261 hPa

Freezing Lvl14,012 ft

Douglas County, Illinois, United States

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