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

Tazewell County, Illinois, United States

Last updated: 1:55 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 35°  /  ▼ 23°
Wind
5 mph S
Humidity
70%
Dew Point
21°
Pressure
29.27 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:27 AM
Sunset
7:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Tazewell County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2519 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 7:26PM.

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
60 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
23°
3%
6 AM
23°
3%
7 AM
24°
7%
8 AM
27°
15%
9 AM
28°
15%
10 AM
30°
15%
11 AM
31°
16%
12 PM
32°
16%
1 PM
34°
16%
2 PM
34°
17%
3 PM
34°
17%
4 PM
34°
17%
5 PM
35°
8%
6 PM
33°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
28°
3%
10 PM
28°
5%
11 PM
27°
5%
12 AM
27°
5%
7-Day Forecast
Today
35° 23°
Clear.
Fri
37° 23°
Mostly Clear.
Sat
37° 22°
Clear with a 36% chance of rain.
Sun
29° 18°
Overcast.
Mon
31° 16°
Clear.
Tue
35° 18°
Clear with a 30% chance of rain.
Wed
38° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 5 mph S 70%
2 AM 26° Clear 8% 6 mph SSW 66%
3 AM 25° Clear 3% 6 mph SSW 69%
4 AM 24° Clear 3% 6 mph SSW 72%
5 AM 23° Clear 3% 6 mph S 75%
6 AM 23° Clear 3% 5 mph S 78%
7 AM 24° Clear 7% 6 mph SSW 75%
8 AM 27° Clear 15% 8 mph SW 69%
9 AM 28° Clear 15% 9 mph SW 64%
10 AM 30° Clear 15% 9 mph SW 60%
11 AM 31° Mostly Clear 16% 9 mph SW 56%
12 PM 32° Mostly Clear 16% 9 mph SW 52%
1 PM 34° Mostly Clear 16% 8 mph SW 51%
2 PM 34° Clear 17% 7 mph SW 50%
3 PM 34° Clear 17% 8 mph SW 50%
4 PM 34° Clear 17% 7 mph SSW 53%
5 PM 35° Clear 8% 6 mph S 58%
6 PM 33° Clear 3% 7 mph SSE 64%
7 PM 33° Clear 3% 7 mph SSE 65%
8 PM 32° Clear 3% 7 mph SSE 66%
9 PM 28° Clear 3% 7 mph SSE 66%
10 PM 28° Clear 5% 7 mph S 67%
11 PM 27° Clear 5% 7 mph S 68%
12 AM 27° Clear 5% 7 mph S 69%
15-Day Forecast
Today
9/3
Clear
17%
23°
35°
Fri
9/4
Mostly Clear
15%
23°
37°
Sat
9/5
Clear
36%
22°
37°
Sun
9/6
Overcast
16%
18°
29°
Mon
9/7
Clear
16%
16°
31°
Tue
9/8
Clear
30%
18°
35°
Wed
9/9
Clear
17%
22°
38°
Thu
9/10
Rain
69%
19°
36°
Fri
9/11
Drizzle
68%
19°
37°
Sat
9/12
Rain
68%
20°
37°
Sun
9/13
Drizzle
60%
19°
32°
Mon
9/14
Drizzle
60%
19°
32°
Tue
9/15
Drizzle
60%
17°
30°
Wed
9/16
Drizzle
60%
17°
29°
Thu
9/17
Drizzle
60%
16°
28°
60
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
60 AQI 13.7 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 60 Moderate 35 60
Fri 52 Moderate 36 52
Sat 49 Good 41 49
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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE377 J/kg
MLCAPE286 J/kg
MUCAPE441 J/kg
SBCIN-452 J/kg
MLCIN-240 J/kg
Lifted Index-1.5
Kinematics
0–6 km Shear23 kt
0–1 km Shear11 kt
Eff. Shear18 kt
0–1 km SRH64
0–3 km SRH64
Eff. SRH-9
Storm Motion312° @ 15 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.5
Thermo & Levels
PWAT1.30 in
0–3 km LR5.3 °C/km
700–500 LR5.8 °C/km
Total Totals45.9
LCL920 hPa
LFC572 hPa
EL248 hPa
Freezing Lvl15,915 ft