Severe Thunderstorm Watch 10:00 PM Heat Advisory — Vermilion, IL, Edgar, IL, Clark, IL, Knox, IL, Stark, IL, Peoria, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Marshall, IL, Woodford, IL, McLean, IL, De Witt, IL, Piatt, IL, Macon, IL, Moultrie, IL, Shelby, IL, Effingham, IL, Clay, IL, Richland, IL, Champaign, IL, Douglas, IL, Coles, IL, Cumberland, IL, Jasper, IL, Crawford, IL, Lawrence, IL 9:00 PM Excessive Heat Warning — Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Champaign, IL, Vermilion, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Edgar, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 9:00 PM Heat Advisory — Marshall, IL, Woodford, IL, McLean, IL, De Witt, IL, Piatt, IL, Macon, IL, Moultrie, IL, Shelby, IL, Effingham, IL, Clay, IL, Richland, IL, Champaign, IL, Douglas, IL, Coles, IL, Cumberland, IL, Jasper, IL, Crawford, IL, Lawrence, IL, Knox, IL, Stark, IL, Peoria, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Vermilion, IL, Edgar, IL, Clark, IL 9:00 PM

Cumberland County, Illinois, United States

Last updated: 8:26 PM CDT  ·  Refresh
28°C
Feels like 32°
Partly Cloudy
▲ 33°  /  ▼ 23°
Wind
6 mph SW
Humidity
83%
Dew Point
26°
Pressure
29.13 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
46%
Sunrise
5:48 AM
Sunset
8:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cumberland County is currently partly cloudy at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3259 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:09PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Heat Advisory
Vermilion, IL, Edgar, IL, Clark, IL, Knox, IL, Stark, IL, Peoria, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Marshall, IL, Woodford, IL, McLean, IL, De Witt, IL, Piatt, IL, Macon, IL, Moultrie, IL, Shelby, IL, Effingham, IL, Clay, IL, Richland, IL, Champaign, IL, Douglas, IL, Coles, IL, Cumberland, IL, Jasper, IL, Crawford, IL, Lawrence, IL
Expires 9:00 PM
Excessive Heat Warning
Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Champaign, IL, Vermilion, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Edgar, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 9:00 PM
Heat Advisory
Marshall, IL, Woodford, IL, McLean, IL, De Witt, IL, Piatt, IL, Macon, IL, Moultrie, IL, Shelby, IL, Effingham, IL, Clay, IL, Richland, IL, Champaign, IL, Douglas, IL, Coles, IL, Cumberland, IL, Jasper, IL, Crawford, IL, Lawrence, IL, Knox, IL, Stark, IL, Peoria, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Vermilion, IL, Edgar, IL, Clark, IL
Expires 9:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
34%
9 PM
27°
23%
10 PM
27°
41%
11 PM
27°
23%
12 AM
27°
16%
1 AM
26°
4%
2 AM
26°
4%
3 AM
26°
4%
4 AM
26°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
25°
3%
9 AM
26°
3%
10 AM
27°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
31°
3%
4 PM
30°
3%
5 PM
29°
3%
6 PM
29°
3%
7 PM
28°
3%
7-Day Forecast
Tonight
33° 23°
Partly Cloudy with a 34% chance of rain.
Tue
31° 17°
Partly Cloudy.
Wed
27° 15°
Clear.
Thu
28° 17°
Clear.
Fri
24° 19°
Rain, 82% chance.
Sat
24° 17°
Rain, 90% chance.
Sun
27° 17°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 34% 6 mph SW 83%
9 PM 27° Partly Cloudy 23% 6 mph SSW 84%
10 PM 27° Mostly Clear 41% 7 mph SSW 83%
11 PM 27° Mostly Clear 23% 7 mph SW 82%
12 AM 27° Partly Cloudy 16% 8 mph SW 82%
1 AM 26° Partly Cloudy 4% 8 mph WSW 82%
2 AM 26° Partly Cloudy 4% 8 mph W 82%
3 AM 26° Partly Cloudy 4% 8 mph W 83%
4 AM 26° Partly Cloudy 3% 9 mph WNW 84%
5 AM 24° Partly Cloudy 3% 8 mph WNW 87%
6 AM 24° Partly Cloudy 3% 8 mph NW 90%
7 AM 24° Partly Cloudy 3% 9 mph NW 90%
8 AM 25° Partly Cloudy 3% 10 mph NNW 88%
9 AM 26° Mostly Cloudy 3% 11 mph N 85%
10 AM 27° Mostly Cloudy 3% 11 mph N 82%
11 AM 27° Partly Cloudy 3% 11 mph N 78%
12 PM 28° Partly Cloudy 3% 11 mph N 74%
1 PM 28° Partly Cloudy 3% 11 mph N 72%
2 PM 28° Partly Cloudy 3% 11 mph N 71%
3 PM 31° Partly Cloudy 3% 11 mph N 71%
4 PM 30° Partly Cloudy 3% 11 mph N 72%
5 PM 29° Partly Cloudy 3% 10 mph N 75%
6 PM 29° Partly Cloudy 3% 10 mph N 78%
7 PM 28° Partly Cloudy 3% 9 mph N 81%
15-Day Forecast
Today
7/27
Partly Cloudy
34%
23°
33°
Tue
7/28
Partly Cloudy
4%
17°
31°
Wed
7/29
Clear
3%
15°
27°
Thu
7/30
Clear
7%
17°
28°
Fri
7/31
Rain
82%
19°
24°
Sat
8/1
Rain
90%
17°
24°
Sun
8/2
Drizzle
52%
17°
27°
Mon
8/3
Rain
27%
17°
28°
Tue
8/4
Drizzle
44%
19°
29°
Wed
8/5
Rain
68%
21°
29°
Thu
8/6
Drizzle
36%
19°
32°
Fri
8/7
Drizzle
60%
19°
32°
Sat
8/8
Drizzle
60%
19°
28°
Sun
8/9
Drizzle
60%
19°
28°
Mon
8/10
Drizzle
60%
20°
28°
50
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
50 AQI 9.0 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 33 50
Wed 53 Moderate 34 53
Thu 35 Good 32 35
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Jul 27, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3421 J/kg
MLCAPE3430 J/kg
MUCAPE4596 J/kg
SBCIN-149 J/kg
MLCIN0 J/kg
Lifted Index-8.1
Kinematics
0–6 km Shear45 kt
0–1 km Shear19 kt
Eff. Shear52 kt
0–1 km SRH148
0–3 km SRH98
Eff. SRH98
Storm Motion278° @ 35 kt
0–1 km EHI3.2
Composite Parameters
Sig. Tornado4.4
STP (eff)1.2
Supercell12.1
K-Index33.2
Thermo & Levels
PWAT2.02 in
0–3 km LR5.1 °C/km
700–500 LR6.7 °C/km
Total Totals48.1
LCL954 hPa
LFC756 hPa
EL142 hPa
Freezing Lvl15,141 ft