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

Richland County, Illinois, United States

Last updated: 11:46 PM CDT  ·  Refresh
25°C
Feels like 27°
Clear
▲ 34°  /  ▼ 21°
Wind
6 mph S
Humidity
73%
Dew Point
20°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:20 AM
Sunset
7:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Richland County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1407 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 7:23PM.

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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
3%
12 AM
24°
3%
1 AM
24°
3%
2 AM
23°
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
30°
3%
10 AM
32°
3%
11 AM
33°
3%
12 PM
35°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
34°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
29°
3%
10 PM
29°
3%
7-Day Forecast
Tonight
34° 21°
Clear.
Tue
38° 21°
Clear.
Wed
41° 22°
Mostly Clear.
Thu
41° 22°
Partly Cloudy with a 55% chance of rain.
Fri
40° 23°
Mostly Clear with a 44% chance of rain.
Sat
40° 23°
Drizzle, 60% chance.
Sun
39° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 3% 6 mph S 73%
12 AM 24° Clear 3% 7 mph SSW 72%
1 AM 24° Clear 3% 6 mph SSW 74%
2 AM 23° Clear 3% 6 mph SSW 77%
3 AM 23° Clear 3% 6 mph SSW 80%
4 AM 22° Clear 3% 6 mph SSW 81%
5 AM 21° Clear 3% 6 mph SSW 82%
6 AM 21° Clear 3% 6 mph SSW 82%
7 AM 23° Clear 3% 8 mph SW 74%
8 AM 27° Clear 3% 9 mph SW 63%
9 AM 30° Clear 3% 9 mph SW 54%
10 AM 32° Clear 3% 10 mph WSW 49%
11 AM 33° Clear 3% 9 mph WSW 44%
12 PM 35° Clear 3% 9 mph WSW 40%
1 PM 37° Clear 3% 8 mph WSW 39%
2 PM 37° Clear 3% 8 mph WSW 38%
3 PM 38° Clear 3% 7 mph SW 37%
4 PM 37° Clear 3% 7 mph SW 40%
5 PM 37° Clear 3% 6 mph SSW 45%
6 PM 34° Clear 3% 6 mph SSW 50%
7 PM 34° Clear 3% 6 mph SSW 53%
8 PM 33° Clear 3% 6 mph S 56%
9 PM 29° Clear 3% 7 mph S 60%
10 PM 29° Clear 3% 7 mph S 62%
15-Day Forecast
Today
8/31
Clear
3%
21°
34°
Tue
9/1
Clear
3%
21°
38°
Wed
9/2
Mostly Clear
3%
22°
41°
Thu
9/3
Partly Cloudy
55%
22°
41°
Fri
9/4
Mostly Clear
44%
23°
40°
Sat
9/5
Drizzle
60%
23°
40°
Sun
9/6
Clear
19%
21°
39°
Mon
9/7
Clear
19%
17°
38°
Tue
9/8
Clear
60%
21°
39°
Wed
9/9
Drizzle
60%
20°
39°
Thu
9/10
Clear
60%
18°
38°
Fri
9/11
Drizzle
60%
21°
37°
Sat
9/12
Drizzle
60%
18°
34°
Sun
9/13
Drizzle
60%
18°
33°
Mon
9/14
Drizzle
60%
18°
33°
54
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
54 AQI 10.8 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 47 54
Wed 48 Good 45 48
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 LCLLFCEL0°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
SBCAPE18 J/kg
MLCAPE61 J/kg
MUCAPE352 J/kg
SBCIN-886 J/kg
MLCIN-588 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear8 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH28
0–3 km SRH47
Eff. SRH—
Storm Motion26° @ 10 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-2.3
Thermo & Levels
PWAT1.19 in
0–3 km LR3.3 °C/km
700–500 LR7.7 °C/km
Total Totals44.9
LCL926 hPa
LFC543 hPa
EL487 hPa
Freezing Lvl16,115 ft