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

Peoria, Illinois

Last updated: 11:46 PM CDT  ·  Refresh
27°C
Feels like 28°
Clear
▲ 32°  /  ▼ 22°
Wind
6 mph SSW
Humidity
69%
Dew Point
21°
Pressure
29.34 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:24 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Peoria is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2209 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:31PM.

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
66 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
8%
12 AM
26°
8%
1 AM
26°
8%
2 AM
25°
8%
3 AM
24°
8%
4 AM
24°
8%
5 AM
23°
8%
6 AM
23°
8%
7 AM
24°
18%
8 AM
27°
17%
9 AM
28°
5%
10 AM
30°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
35°
3%
5 PM
35°
3%
6 PM
33°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
30°
3%
10 PM
29°
3%
7-Day Forecast
Tonight
32° 22°
Clear.
Tue
36° 22°
Partly Cloudy.
Wed
38° 23°
Mostly Clear.
Thu
37° 22°
Mostly Clear with a 42% chance of rain.
Fri
38° 23°
Partly Cloudy with a 44% chance of rain.
Sat
38° 23°
Thunderstorm, 60% chance.
Sun
36° 21°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 8% 6 mph SSW 69%
12 AM 26° Clear 8% 6 mph SSW 64%
1 AM 26° Partly Cloudy 8% 6 mph SSW 67%
2 AM 25° Clear 8% 5 mph SSW 70%
3 AM 24° Clear 8% 4 mph SSW 73%
4 AM 24° Clear 8% 4 mph SSW 75%
5 AM 23° Clear 8% 4 mph SSW 77%
6 AM 23° Clear 8% 4 mph SSW 78%
7 AM 24° Mostly Clear 18% 6 mph SW 74%
8 AM 27° Partly Cloudy 17% 6 mph SW 68%
9 AM 28° Mostly Clear 5% 7 mph WSW 60%
10 AM 30° Mostly Clear 3% 7 mph WSW 55%
11 AM 31° Partly Cloudy 3% 8 mph WSW 50%
12 PM 33° Partly Cloudy 3% 8 mph WSW 46%
1 PM 35° Partly Cloudy 3% 8 mph WSW 43%
2 PM 36° Partly Cloudy 3% 8 mph WSW 40%
3 PM 36° Partly Cloudy 3% 8 mph WSW 38%
4 PM 35° Partly Cloudy 3% 7 mph WSW 43%
5 PM 35° Partly Cloudy 3% 5 mph WSW 50%
6 PM 33° Mostly Clear 3% 6 mph SW 55%
7 PM 33° Mostly Clear 3% 5 mph SW 57%
8 PM 32° Mostly Clear 3% 6 mph SSW 58%
9 PM 30° Mostly Clear 3% 6 mph SSW 60%
10 PM 29° Mostly Clear 3% 6 mph SSW 61%
15-Day Forecast
Today
8/31
Clear
8%
22°
32°
Tue
9/1
Partly Cloudy
17%
22°
36°
Wed
9/2
Mostly Clear
7%
23°
38°
Thu
9/3
Mostly Clear
42%
22°
37°
Fri
9/4
Partly Cloudy
44%
23°
38°
Sat
9/5
Thunderstorm
60%
23°
38°
Sun
9/6
Clear
35%
21°
36°
Mon
9/7
Clear
19%
19°
34°
Tue
9/8
Drizzle
60%
18°
35°
Wed
9/9
Drizzle
60%
20°
37°
Thu
9/10
Drizzle
60%
18°
33°
Fri
9/11
Drizzle
60%
18°
32°
Sat
9/12
Drizzle
60%
16°
29°
Sun
9/13
Drizzle
60%
16°
29°
Mon
9/14
Drizzle
60%
16°
28°
66
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
66 AQI 17.1 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 66 Moderate 45 66
Wed 68 Moderate 44 68
Thu 60 Moderate 42 60
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
SBCAPE658 J/kg
MLCAPE644 J/kg
MUCAPE1103 J/kg
SBCIN-553 J/kg
MLCIN-327 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear28 kt
0–1 km Shear26 kt
Eff. Shear22 kt
0–1 km SRH186
0–3 km SRH170
Eff. SRH15
Storm Motion301° @ 22 kt
0–1 km EHI0.8
Composite Parameters
Sig. Tornado0.4
STP (eff)0.0
Supercell0.2
K-Index38.0
Thermo & Levels
PWAT1.86 in
0–3 km LR4.7 °C/km
700–500 LR6.7 °C/km
Total Totals48.1
LCL918 hPa
LFC627 hPa
EL196 hPa
Freezing Lvl15,561 ft