Heat Advisory — Knox, IL, Stark, IL, Peoria, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL, Marshall, IL, Woodford, IL, McLean, IL, Champaign, IL, Vermilion, IL, Edgar, IL 7:00 PM

Coles County, Illinois, United States

Last updated: 11:46 PM CDT  ·  Refresh
24°C
Feels like 25°
Clear
▲ 32°  /  ▼ 21°
Wind
8 mph S
Humidity
65%
Dew Point
18°
Pressure
29.28 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:20 AM
Sunset
7:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Coles County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2131 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 7:25PM.

Alerts

Heat Advisory
Knox, IL, Stark, IL, Peoria, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL, Marshall, IL, Woodford, IL, McLean, IL, Champaign, IL, Vermilion, IL, Edgar, IL
Expires 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
12 AM
24°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
33°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
29°
3%
7-Day Forecast
Tonight
32° 21°
Clear.
Tue
37° 22°
Clear.
Wed
39° 22°
Clear.
Thu
39° 22°
Partly Cloudy with a 43% chance of rain.
Fri
39° 23°
Clear with a 39% chance of rain.
Sat
39° 23°
Clear.
Sun
37° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 8 mph S 65%
12 AM 24° Clear 3% 8 mph SSW 62%
1 AM 24° Clear 3% 8 mph SSW 66%
2 AM 24° Clear 3% 8 mph SSW 70%
3 AM 24° Clear 3% 8 mph SSW 74%
4 AM 23° Clear 3% 8 mph SSW 77%
5 AM 22° Clear 3% 8 mph SSW 78%
6 AM 22° Clear 3% 8 mph SSW 79%
7 AM 24° Clear 3% 8 mph SW 74%
8 AM 27° Clear 3% 10 mph SW 66%
9 AM 29° Clear 3% 10 mph WSW 59%
10 AM 31° Clear 3% 10 mph WSW 54%
11 AM 32° Clear 3% 9 mph WSW 50%
12 PM 34° Clear 3% 9 mph WSW 46%
1 PM 36° Clear 3% 8 mph WSW 44%
2 PM 37° Clear 3% 7 mph WSW 42%
3 PM 37° Clear 3% 6 mph WSW 41%
4 PM 36° Clear 3% 6 mph SW 45%
5 PM 36° Clear 3% 5 mph SW 51%
6 PM 33° Clear 3% 6 mph SSW 56%
7 PM 33° Clear 3% 6 mph SSW 59%
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 65%
15-Day Forecast
Today
8/31
Clear
3%
21°
32°
Tue
9/1
Clear
3%
22°
37°
Wed
9/2
Clear
3%
22°
39°
Thu
9/3
Partly Cloudy
43%
22°
39°
Fri
9/4
Clear
39%
23°
39°
Sat
9/5
Clear
19%
23°
39°
Sun
9/6
Clear
19%
20°
37°
Mon
9/7
Clear
19%
17°
36°
Tue
9/8
Drizzle
60%
19°
38°
Wed
9/9
Drizzle
60%
20°
38°
Thu
9/10
Drizzle
60%
17°
36°
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°
56
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
56 AQI 11.7 µg/m³
O3
Ground-level ozone
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 48 56
Wed 56 Moderate 48 56
Thu 52 Moderate 44 52
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
MLCAPE25 J/kg
MUCAPE202 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index1.4
Kinematics
0–6 km Shear17 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH26
0–3 km SRH42
Eff. SRH—
Storm Motion2° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index22.7
Thermo & Levels
PWAT1.29 in
0–3 km LR3.6 °C/km
700–500 LR7.2 °C/km
Total Totals44.1
LCL905 hPa
LFC—
EL—
Freezing Lvl15,686 ft