Heat Advisory — Marshall, IL, Woodford, IL, McLean, IL, Champaign, IL, Vermilion, IL, Edgar, IL 7:00 PM

Vermilion County, Illinois, United States

Last updated: 12:04 AM CDT  ·  Refresh
24°C
Feels like 24°
Clear
▲ 31°  /  ▼ 20°
Wind
6 mph SSW
Humidity
68%
Dew Point
19°
Pressure
29.29 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:18 AM
Sunset
7:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Vermilion County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3248 J/kg) — isolated convective development possible. Sunrise: 6:18AM · Sunset: 7:22PM.

Alerts

Heat Advisory
Marshall, IL, Woodford, IL, McLean, IL, Champaign, IL, Vermilion, IL, Edgar, IL
Expires 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
5%
1 AM
24°
5%
2 AM
24°
5%
3 AM
23°
5%
4 AM
23°
5%
5 AM
22°
5%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
35°
3%
4 PM
35°
3%
5 PM
34°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
26°
3%
7-Day Forecast
Today
31° 20°
Clear.
Tue
35° 22°
Clear.
Wed
37° 22°
Clear with a 31% chance of rain.
Thu
37° 22°
Partly Cloudy with a 61% chance of rain.
Fri
37° 22°
Fog with a 65% chance of rain.
Sat
36° 22°
Thunderstorm, 60% chance.
Sun
33° 19°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 5% 6 mph SSW 68%
1 AM 24° Clear 5% 7 mph SSW 66%
2 AM 24° Clear 5% 8 mph SSW 69%
3 AM 23° Clear 5% 7 mph SW 72%
4 AM 23° Clear 5% 7 mph SW 74%
5 AM 22° Clear 5% 8 mph SW 76%
6 AM 22° Mostly Clear 3% 7 mph SW 79%
7 AM 22° Clear 3% 7 mph SW 81%
8 AM 24° Mostly Clear 3% 9 mph SW 77%
9 AM 26° Clear 3% 9 mph WSW 72%
10 AM 28° Clear 3% 9 mph WSW 69%
11 AM 29° Clear 3% 8 mph WSW 66%
12 PM 31° Clear 3% 8 mph WSW 63%
1 PM 34° Clear 3% 8 mph WSW 60%
2 PM 34° Clear 3% 8 mph SW 58%
3 PM 35° Mostly Clear 3% 8 mph SW 57%
4 PM 35° Mostly Clear 3% 8 mph SW 56%
5 PM 34° Mostly Clear 3% 7 mph SW 60%
6 PM 34° Clear 3% 6 mph SW 65%
7 PM 32° Clear 3% 5 mph SSW 68%
8 PM 31° Clear 3% 6 mph SSW 69%
9 PM 29° Clear 3% 6 mph SSW 70%
10 PM 28° Clear 3% 7 mph SSW 72%
11 PM 26° Clear 3% 7 mph SSW 72%
15-Day Forecast
Today
8/31
Clear
5%
20°
31°
Tue
9/1
Clear
5%
22°
35°
Wed
9/2
Clear
31%
22°
37°
Thu
9/3
Partly Cloudy
61%
22°
37°
Fri
9/4
Fog
65%
22°
37°
Sat
9/5
Thunderstorm
60%
22°
36°
Sun
9/6
Clear
60%
19°
33°
Mon
9/7
Clear
19%
17°
32°
Tue
9/8
Drizzle
60%
18°
33°
Wed
9/9
Drizzle
60%
17°
34°
Thu
9/10
Drizzle
60%
16°
32°
Fri
9/11
Drizzle
60%
18°
32°
Sat
9/12
Drizzle
60%
16°
29°
Sun
9/13
Drizzle
60%
16°
28°
Mon
9/14
Drizzle
60%
16°
29°
56
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
56 AQI 12.0 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 41 56
Wed 58 Moderate 45 58
Thu 53 Moderate 41 53
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 LCL0°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
SBCAPE0 J/kg
MLCAPE19 J/kg
MUCAPE547 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index0.7
Kinematics
0–6 km Shear22 kt
0–1 km Shear16 kt
Eff. Shear21 kt
0–1 km SRH112
0–3 km SRH131
Eff. SRH8
Storm Motion329° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index32.5
Thermo & Levels
PWAT1.59 in
0–3 km LR3.6 °C/km
700–500 LR7.1 °C/km
Total Totals45.7
LCL927 hPa
LFC—
EL—
Freezing Lvl15,561 ft