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

Lawrence County, Illinois, United States

Last updated: 1:53 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 38°  /  ▼ 23°
Wind
5 mph SSW
Humidity
72%
Dew Point
20°
Pressure
29.51 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:21 AM
Sunset
7:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lawrence County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1020 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 7:17PM.

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
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
2 AM
26°
8%
3 AM
25°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
27°
3%
9 AM
31°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
36°
3%
1 PM
37°
3%
2 PM
38°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
36°
3%
7 PM
35°
3%
8 PM
33°
3%
9 PM
29°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
28°
3%
7-Day Forecast
Today
38° 23°
Clear.
Fri
42° 23°
Mostly Clear with a 26% chance of rain.
Sat
42° 23°
Mostly Clear with a 28% chance of rain.
Sun
36° 18°
Partly Cloudy.
Mon
38° 14°
Clear.
Tue
41° 18°
Clear.
Wed
43° 23°
Rain, 27% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 5 mph SSW 71%
2 AM 26° Clear 8% 5 mph SSW 69%
3 AM 25° Clear 3% 5 mph SSW 72%
4 AM 24° Clear 3% 5 mph S 74%
5 AM 22° Clear 3% 5 mph S 76%
6 AM 22° Clear 3% 5 mph S 78%
7 AM 24° Clear 3% 6 mph SSW 72%
8 AM 27° Clear 3% 6 mph SSW 63%
9 AM 31° Clear 3% 7 mph SW 54%
10 AM 33° Clear 3% 8 mph SW 46%
11 AM 34° Clear 3% 8 mph SW 40%
12 PM 36° Clear 3% 8 mph SW 35%
1 PM 37° Mostly Clear 3% 8 mph SW 33%
2 PM 38° Mostly Clear 3% 7 mph SW 33%
3 PM 37° Mostly Clear 3% 7 mph SSW 33%
4 PM 37° Mostly Clear 3% 6 mph SSW 36%
5 PM 37° Mostly Clear 3% 5 mph SSW 40%
6 PM 36° Clear 3% 5 mph SSW 45%
7 PM 35° Clear 3% 5 mph S 48%
8 PM 33° Clear 3% 5 mph S 52%
9 PM 29° Clear 3% 5 mph S 54%
10 PM 29° Clear 3% 5 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
Mostly Clear
26%
23°
42°
Sat
9/5
Mostly Clear
28%
23°
42°
Sun
9/6
Partly Cloudy
14%
18°
36°
Mon
9/7
Clear
8%
14°
38°
Tue
9/8
Clear
8%
18°
41°
Wed
9/9
Rain
27%
23°
43°
Thu
9/10
Rain
68%
21°
42°
Fri
9/11
Rain
68%
21°
40°
Sat
9/12
Drizzle
51%
21°
41°
Sun
9/13
Drizzle
60%
21°
37°
Mon
9/14
Drizzle
60%
20°
36°
Tue
9/15
Drizzle
60%
19°
36°
Wed
9/16
Drizzle
60%
18°
34°
Thu
9/17
Drizzle
60%
17°
34°
52
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
52 AQI 9.4 µg/m³
O3
Ground-level ozone
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 44 52
Fri 54 Moderate 44 54
Sat 52 Moderate 45 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
SBCAPE81 J/kg
MLCAPE131 J/kg
MUCAPE369 J/kg
SBCIN-598 J/kg
MLCIN-329 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear12 kt
0–1 km Shear13 kt
Eff. Shear7 kt
0–1 km SRH24
0–3 km SRH5
Eff. SRH-18
Storm Motion325° @ 7 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index22.4
Thermo & Levels
PWAT1.40 in
0–3 km LR4.6 °C/km
700–500 LR6.4 °C/km
Total Totals44.2
LCL923 hPa
LFC553 hPa
EL314 hPa
Freezing Lvl15,801 ft