Extreme 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 7:00 PM Heat Advisory — 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 7:00 PM

Richland County, Illinois, United States

Last updated: 1:56 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 38°  /  ▼ 23°
Wind
4 mph S
Humidity
72%
Dew Point
20°
Pressure
29.50 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:23 AM
Sunset
7:19 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 1025 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 7:19PM.

Alerts

Extreme 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 7:00 PM
Heat Advisory
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 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
2 AM
25°
8%
3 AM
24°
3%
4 AM
23°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
28°
3%
9 AM
31°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
37°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
38°
3%
5 PM
37°
3%
6 PM
36°
3%
7 PM
35°
3%
8 PM
29°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
28°
3%
7-Day Forecast
Today
38° 23°
Clear.
Fri
41° 23°
Clear.
Sat
41° 23°
Partly Cloudy with a 28% chance of rain.
Sun
35° 18°
Fog.
Mon
38° 14°
Clear.
Tue
41° 18°
Clear.
Wed
43° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 4 mph S 72%
2 AM 25° Clear 8% 5 mph S 69%
3 AM 24° Clear 3% 5 mph S 72%
4 AM 23° Clear 3% 5 mph S 74%
5 AM 22° Clear 3% 5 mph S 76%
6 AM 22° Clear 3% 5 mph S 79%
7 AM 24° Clear 3% 6 mph SSW 73%
8 AM 28° Clear 3% 6 mph SSW 64%
9 AM 31° Clear 3% 7 mph SW 54%
10 AM 33° Clear 3% 8 mph SW 47%
11 AM 34° Clear 3% 8 mph SW 41%
12 PM 37° Mostly Clear 3% 9 mph SW 36%
1 PM 37° Mostly Clear 3% 8 mph SW 35%
2 PM 37° Clear 3% 8 mph SW 35%
3 PM 37° Clear 3% 8 mph WSW 35%
4 PM 38° Clear 3% 6 mph SW 38%
5 PM 37° Clear 3% 5 mph SW 41%
6 PM 36° Clear 3% 5 mph SSW 46%
7 PM 35° Clear 3% 5 mph S 49%
8 PM 29° Clear 3% 5 mph S 52%
9 PM 29° Clear 3% 6 mph S 54%
10 PM 28° Clear 3% 6 mph S 57%
11 PM 28° Clear 3% 6 mph S 59%
12 AM 28° Clear 3% 6 mph S 61%
15-Day Forecast
Today
9/3
Clear
8%
23°
38°
Fri
9/4
Clear
3%
23°
41°
Sat
9/5
Partly Cloudy
28%
23°
41°
Sun
9/6
Fog
14%
18°
35°
Mon
9/7
Clear
8%
14°
38°
Tue
9/8
Clear
8%
18°
41°
Wed
9/9
Clear
17%
23°
43°
Thu
9/10
Rain
68%
21°
42°
Fri
9/11
Rain
68%
21°
41°
Sat
9/12
Drizzle
51%
21°
41°
Sun
9/13
Drizzle
60%
21°
36°
Mon
9/14
Drizzle
60%
20°
36°
Tue
9/15
Drizzle
60%
19°
35°
Wed
9/16
Drizzle
60%
18°
33°
Thu
9/17
Drizzle
60%
17°
34°
51
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
51 AQI 9.3 µg/m³
O3
Ground-level ozone
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 44 51
Fri 53 Moderate 44 53
Sat 52 Moderate 46 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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Sep 3, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE12 J/kg
MLCAPE93 J/kg
MUCAPE447 J/kg
SBCIN-657 J/kg
MLCIN-351 J/kg
Lifted Index-0.1
Kinematics
0–6 km Shear12 kt
0–1 km Shear15 kt
Eff. Shear8 kt
0–1 km SRH33
0–3 km SRH14
Eff. SRH-15
Storm Motion324° @ 8 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.3
Thermo & Levels
PWAT1.36 in
0–3 km LR4.5 °C/km
700–500 LR6.4 °C/km
Total Totals43.9
LCL921 hPa
LFC511 hPa
EL339 hPa
Freezing Lvl15,850 ft