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

Cumberland County, Illinois, United States

Last updated: 11:46 PM CDT  ·  Refresh
24°C
Feels like 26°
Clear
▲ 32°  /  ▼ 21°
Wind
7 mph SSW
Humidity
68%
Dew Point
19°
Pressure
29.37 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: Cumberland County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2003 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
55 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
23°
3%
4 AM
22°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
23°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
33°
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
34°
3%
7 PM
33°
3%
8 PM
33°
3%
9 PM
30°
3%
10 PM
29°
3%
7-Day Forecast
Tonight
32° 21°
Clear.
Tue
37° 21°
Clear.
Wed
39° 22°
Clear.
Thu
39° 22°
Partly Cloudy with a 43% chance of rain.
Fri
40° 23°
Clear with a 39% chance of rain.
Sat
40° 23°
Clear.
Sun
38° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 7 mph SSW 68%
12 AM 24° Clear 3% 7 mph SSW 65%
1 AM 24° Clear 3% 7 mph SSW 70%
2 AM 24° Clear 3% 7 mph SSW 75%
3 AM 23° Clear 3% 6 mph SSW 79%
4 AM 22° Clear 3% 6 mph SSW 82%
5 AM 21° Mostly Clear 3% 7 mph SSW 83%
6 AM 21° Mostly Clear 3% 7 mph SSW 82%
7 AM 23° Mostly Clear 3% 8 mph SW 75%
8 AM 27° Mostly Clear 3% 9 mph SW 65%
9 AM 29° Clear 3% 10 mph WSW 57%
10 AM 31° Clear 3% 10 mph WSW 52%
11 AM 33° Clear 3% 10 mph WSW 48%
12 PM 34° Clear 3% 9 mph WSW 45%
1 PM 36° Clear 3% 8 mph WSW 44%
2 PM 37° Clear 3% 8 mph WSW 42%
3 PM 37° Clear 3% 7 mph WSW 41%
4 PM 36° Clear 3% 6 mph SW 44%
5 PM 36° Clear 3% 6 mph SW 50%
6 PM 34° Clear 3% 6 mph SSW 54%
7 PM 33° Clear 3% 6 mph SSW 57%
8 PM 33° Clear 3% 6 mph SSW 59%
9 PM 30° Clear 3% 6 mph SSW 62%
10 PM 29° Clear 3% 6 mph SSW 64%
15-Day Forecast
Today
8/31
Clear
3%
21°
32°
Tue
9/1
Clear
3%
21°
37°
Wed
9/2
Clear
3%
22°
39°
Thu
9/3
Partly Cloudy
43%
22°
39°
Fri
9/4
Clear
39%
23°
40°
Sat
9/5
Clear
19%
23°
40°
Sun
9/6
Clear
19%
20°
38°
Mon
9/7
Clear
19%
17°
37°
Tue
9/8
Drizzle
60%
20°
39°
Wed
9/9
Drizzle
60%
20°
39°
Thu
9/10
Drizzle
60%
17°
37°
Fri
9/11
Drizzle
60%
20°
36°
Sat
9/12
Drizzle
60%
18°
33°
Sun
9/13
Drizzle
60%
17°
32°
Mon
9/14
Drizzle
60%
17°
32°
55
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
55 AQI 11.4 µg/m³
O3
Ground-level ozone
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 48 55
Wed 54 Moderate 48 54
Thu 51 Moderate 44 51
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
MLCAPE28 J/kg
MUCAPE187 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index1.2
Kinematics
0–6 km Shear13 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH8
0–3 km SRH29
Eff. SRH—
Storm Motion12° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index13.6
Thermo & Levels
PWAT1.17 in
0–3 km LR3.4 °C/km
700–500 LR7.4 °C/km
Total Totals44.2
LCL912 hPa
LFC—
EL—
Freezing Lvl15,856 ft