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

Scott County, Illinois, United States

Last updated: 1:53 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 38°  /  ▼ 23°
Wind
6 mph S
Humidity
66%
Dew Point
20°
Pressure
29.36 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:32 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Scott County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1426 J/kg) — isolated convective development possible. Sunrise: 6:32AM · Sunset: 7:29PM.

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
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
2 AM
26°
3%
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
32°
3%
11 AM
33°
3%
12 PM
34°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
33°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
27°
3%
7-Day Forecast
Today
38° 23°
Mostly Clear.
Fri
41° 23°
Clear.
Sat
42° 23°
Partly Cloudy.
Sun
36° 19°
Haze.
Mon
37° 16°
Clear.
Tue
42° 19°
Clear.
Wed
44° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 6 mph S 66%
2 AM 26° Clear 3% 6 mph S 64%
3 AM 25° Clear 3% 7 mph S 66%
4 AM 24° Clear 3% 6 mph S 68%
5 AM 22° Clear 3% 6 mph SSW 71%
6 AM 22° Clear 3% 6 mph SSW 73%
7 AM 24° Clear 3% 7 mph SSW 67%
8 AM 27° Clear 3% 9 mph SW 57%
9 AM 31° Clear 3% 10 mph SW 49%
10 AM 32° Clear 3% 10 mph SW 45%
11 AM 33° Mostly Clear 3% 9 mph SW 42%
12 PM 34° Mostly Clear 3% 8 mph SW 38%
1 PM 37° Mostly Clear 3% 8 mph SW 37%
2 PM 37° Partly Cloudy 3% 8 mph SSW 35%
3 PM 37° Partly Cloudy 3% 9 mph SSW 34%
4 PM 36° Mostly Clear 3% 8 mph SSW 36%
5 PM 36° Mostly Clear 3% 8 mph SSW 39%
6 PM 35° Clear 3% 7 mph S 43%
7 PM 33° Clear 3% 7 mph S 47%
8 PM 31° Clear 3% 7 mph S 51%
9 PM 29° Clear 3% 7 mph S 55%
10 PM 28° Clear 3% 7 mph S 57%
11 PM 28° Clear 3% 6 mph S 58%
12 AM 27° Clear 3% 6 mph S 60%
15-Day Forecast
Today
9/3
Mostly Clear
3%
23°
38°
Fri
9/4
Clear
3%
23°
41°
Sat
9/5
Partly Cloudy
14%
23°
42°
Sun
9/6
Haze
8%
19°
36°
Mon
9/7
Clear
16%
16°
37°
Tue
9/8
Clear
17%
19°
42°
Wed
9/9
Clear
17%
23°
44°
Thu
9/10
Rain
68%
21°
41°
Fri
9/11
Drizzle
68%
21°
40°
Sat
9/12
Rain
68%
21°
39°
Sun
9/13
Drizzle
60%
20°
36°
Mon
9/14
Drizzle
60%
20°
36°
Tue
9/15
Drizzle
60%
19°
34°
Wed
9/16
Drizzle
60%
18°
32°
Thu
9/17
Drizzle
60%
17°
32°
44
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
44 AQI 7.9 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 41 44
Fri 39 Good 39 33
Sat 41 Good 41 36
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
SBCAPE134 J/kg
MLCAPE356 J/kg
MUCAPE713 J/kg
SBCIN-554 J/kg
MLCIN-233 J/kg
Lifted Index-1.0
Kinematics
0–6 km Shear17 kt
0–1 km Shear15 kt
Eff. Shear15 kt
0–1 km SRH86
0–3 km SRH108
Eff. SRH52
Storm Motion310° @ 14 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.7
Thermo & Levels
PWAT1.43 in
0–3 km LR5.6 °C/km
700–500 LR5.5 °C/km
Total Totals47.1
LCL910 hPa
LFC541 hPa
EL282 hPa
Freezing Lvl16,152 ft