Severe Thunderstorm Watch 7:00 PM Severe Thunderstorm Watch 7:00 PM Heat Advisory — Peoria, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Mason, IL, Schuyler, 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, Knox, IL, Stark, IL, Marshall, IL 7:00 PM

McLean County, Illinois, United States

Last updated: 5:11 PM CDT  ·  Refresh
26°C
Feels like 29°
Rain
▲ 30°  /  ▼ 18°
Wind
8 mph WNW
Humidity
88%
Dew Point
23°
Pressure
29.09 inHg
Visibility
10 mi
UV Index
4.4
Cloud Cover
76%
Sunrise
5:30 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McLean County is currently rain at 26°C. Precipitation is likely — peak probability 90% around 5 PM. Atmospheric instability is elevated (CAPE up to 1722 J/kg) — isolated convective development possible. Sunrise: 5:30AM · Sunset: 8:28PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
Severe Thunderstorm Watch
Expires 7:00 PM
Heat Advisory
Peoria, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Mason, IL, Schuyler, 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, Knox, IL, Stark, IL, Marshall, IL
Expires 7:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
90%
6 PM
26°
81%
7 PM
24°
48%
8 PM
24°
47%
9 PM
23°
42%
10 PM
22°
36%
11 PM
22°
50%
12 AM
22°
35%
1 AM
21°
22%
2 AM
20°
11%
3 AM
20°
20%
4 AM
20°
21%
5 AM
18°
21%
6 AM
19°
11%
7 AM
19°
17%
8 AM
20°
37%
9 AM
22°
37%
10 AM
22°
46%
11 AM
23°
46%
12 PM
24°
46%
1 PM
24°
46%
2 PM
25°
52%
3 PM
26°
56%
4 PM
26°
75%
7-Day Forecast
Today
30° 18°
Rain, 90% chance.
Sun
27° 18°
Rain, 65% chance.
Mon
27° 17°
Partly Cloudy with a 36% chance of rain.
Tue
27° 16°
Partly Cloudy.
Wed
27° 18°
Mostly Clear with a 51% chance of rain.
Thu
27° 19°
Heavy Rain, 82% chance.
Fri
25° 18°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Rain 90% 8 mph WNW 88%
6 PM 26° Mostly Cloudy 81% 5 mph NW 90%
7 PM 24° Overcast 48% 5 mph SE 92%
8 PM 24° Overcast 47% 4 mph NE 93%
9 PM 23° Overcast 42% 4 mph ENE 94%
10 PM 22° Overcast 36% 4 mph ENE 96%
11 PM 22° Overcast 50% 3 mph N 96%
12 AM 22° Overcast 35% 4 mph NNW 97%
1 AM 21° Overcast 22% 5 mph NNW 97%
2 AM 20° Mostly Cloudy 11% 5 mph NNW 98%
3 AM 20° Overcast 20% 5 mph NNW 97%
4 AM 20° Overcast 21% 5 mph N 98%
5 AM 18° Fog 21% 5 mph N 97%
6 AM 19° Fog 11% 5 mph N 96%
7 AM 19° Haze 17% 6 mph N 96%
8 AM 20° Mostly Cloudy 37% 5 mph N 93%
9 AM 22° Mostly Cloudy 37% 6 mph N 90%
10 AM 22° Mostly Cloudy 46% 6 mph N 87%
11 AM 23° Mostly Cloudy 46% 6 mph N 85%
12 PM 24° Mostly Cloudy 46% 6 mph N 82%
1 PM 24° Mostly Cloudy 46% 6 mph N 81%
2 PM 25° Mostly Cloudy 52% 6 mph N 79%
3 PM 26° Mostly Cloudy 56% 6 mph N 77%
4 PM 26° Mostly Cloudy 75% 7 mph N 76%
15-Day Forecast
Today
7/4
Rain
90%
18°
30°
Sun
7/5
Rain
65%
18°
27°
Mon
7/6
Partly Cloudy
36%
17°
27°
Tue
7/7
Partly Cloudy
7%
16°
27°
Wed
7/8
Mostly Clear
51%
18°
27°
Thu
7/9
Heavy Rain
82%
19°
27°
Fri
7/10
Drizzle
53%
18°
25°
Sat
7/11
Rain
69%
18°
27°
Sun
7/12
Rain
68%
16°
23°
Mon
7/13
Mostly Clear
44%
16°
26°
Tue
7/14
Drizzle
60%
17°
24°
Wed
7/15
Drizzle
60%
17°
25°
Thu
7/16
Drizzle
60%
17°
24°
Fri
7/17
Drizzle
60%
16°
24°
Sat
7/18
Drizzle
60%
17°
25°
53
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
53 AQI 10.3 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 53 Moderate 37 53
Mon 42 Good 42 36
Tue 59 Moderate 43 59
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 Sat Jul 4, 20:00'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
SBCAPE2156 J/kg
MLCAPE1564 J/kg
MUCAPE2156 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear19 kt
0–1 km Shear8 kt
Eff. Shear17 kt
0–1 km SRH-42
0–3 km SRH-78
Eff. SRH-78
Storm Motion227° @ 21 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT1.86 in
0–3 km LR6.2 °C/km
700–500 LR5.3 °C/km
Total Totals45.8
LCL947 hPa
LFC985 hPa
EL168 hPa
Freezing Lvl14,298 ft