Douglas County, Illinois, United States

Last updated: 12:08 AM CDT  ·  Refresh
24°C
Feels like 24°
Clear
▲ 32°  /  ▼ 21°
Wind
7 mph SSW
Humidity
66%
Dew Point
19°
Pressure
29.30 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:21 AM
Sunset
7:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Douglas County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2291 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 7:23PM.

Alerts

No active alerts for this location.
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
29°
3%
11 PM
27°
3%
7-Day Forecast
Today
32° 21°
Clear.
Tue
36° 22°
Clear.
Wed
39° 22°
Clear.
Thu
38° 22°
Mostly Clear with a 43% chance of rain.
Fri
38° 22°
Mostly Clear with a 39% chance of rain.
Sat
38° 22°
Clear.
Sun
36° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 7 mph SSW 66%
1 AM 24° Clear 3% 8 mph SSW 64%
2 AM 24° Clear 3% 8 mph SSW 67%
3 AM 24° Clear 3% 8 mph SSW 70%
4 AM 24° Clear 3% 8 mph SSW 73%
5 AM 22° Clear 3% 8 mph SSW 76%
6 AM 22° Clear 3% 8 mph SSW 78%
7 AM 22° Clear 3% 8 mph SW 78%
8 AM 24° Clear 3% 9 mph SW 72%
9 AM 27° Clear 3% 10 mph WSW 66%
10 AM 29° Clear 3% 10 mph WSW 61%
11 AM 31° Clear 3% 9 mph WSW 57%
12 PM 32° Clear 3% 9 mph WSW 53%
1 PM 35° Clear 3% 8 mph WSW 49%
2 PM 36° Clear 3% 8 mph WSW 46%
3 PM 36° Clear 3% 7 mph WSW 44%
4 PM 36° Clear 3% 6 mph WSW 44%
5 PM 36° Clear 3% 6 mph SW 48%
6 PM 35° Clear 3% 5 mph SW 54%
7 PM 33° Clear 3% 5 mph SSW 58%
8 PM 32° Clear 3% 6 mph SSW 61%
9 PM 29° Clear 3% 6 mph SSW 64%
10 PM 29° Clear 3% 6 mph SSW 67%
11 PM 27° Clear 3% 6 mph SSW 69%
15-Day Forecast
Today
8/31
Clear
3%
21°
32°
Tue
9/1
Clear
3%
22°
36°
Wed
9/2
Clear
14%
22°
39°
Thu
9/3
Mostly Clear
43%
22°
38°
Fri
9/4
Mostly Clear
39%
22°
38°
Sat
9/5
Clear
19%
22°
38°
Sun
9/6
Clear
19%
20°
36°
Mon
9/7
Clear
19%
17°
36°
Tue
9/8
Drizzle
60%
18°
37°
Wed
9/9
Drizzle
60%
19°
38°
Thu
9/10
Drizzle
60%
16°
35°
Fri
9/11
Drizzle
60%
19°
34°
Sat
9/12
Drizzle
60%
17°
32°
Sun
9/13
Drizzle
60%
17°
31°
Mon
9/14
Drizzle
60%
17°
31°
57
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
PM2.5
Fine particulate matter
Dominant
57 AQI 12.1 µg/m³
O3
Ground-level ozone
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 46 57
Wed 57 Moderate 46 57
Thu 53 Moderate 45 53
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Sep 1, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE19 J/kg
MUCAPE131 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index1.2
Kinematics
0–6 km Shear19 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH42
0–3 km SRH54
Eff. SRH—
Storm Motion349° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.8
Thermo & Levels
PWAT1.43 in
0–3 km LR3.7 °C/km
700–500 LR7.0 °C/km
Total Totals44.3
LCL914 hPa
LFC—
EL—
Freezing Lvl15,633 ft