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

Logan County, Illinois, United States

Last updated: 11:44 PM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 31°  /  ▼ 20°
Wind
9 mph SSW
Humidity
65%
Dew Point
20°
Pressure
29.34 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:24 AM
Sunset
7:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Logan County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1815 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:30PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
12 AM
26°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
35°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
31°
3%
10 PM
30°
3%
7-Day Forecast
Tonight
31° 20°
Clear.
Tue
37° 22°
Clear.
Wed
39° 22°
Clear.
Thu
38° 22°
Partly Cloudy.
Fri
39° 22°
Partly Cloudy.
Sat
40° 23°
Drizzle, 60% chance.
Sun
38° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 9 mph SSW 65%
12 AM 26° Clear 3% 9 mph SSW 60%
1 AM 26° Clear 3% 9 mph SSW 63%
2 AM 25° Clear 3% 8 mph SSW 65%
3 AM 24° Clear 3% 8 mph SSW 68%
4 AM 24° Clear 3% 8 mph SSW 70%
5 AM 23° Clear 3% 7 mph SSW 72%
6 AM 22° Clear 3% 6 mph SSW 74%
7 AM 23° Clear 3% 7 mph SW 72%
8 AM 26° Clear 3% 8 mph SW 64%
9 AM 28° Clear 3% 9 mph WSW 57%
10 AM 31° Clear 3% 9 mph WSW 52%
11 AM 32° Clear 3% 9 mph WSW 48%
12 PM 34° Clear 3% 9 mph WSW 43%
1 PM 36° Clear 3% 8 mph W 40%
2 PM 37° Clear 3% 7 mph WSW 38%
3 PM 37° Clear 3% 6 mph WSW 37%
4 PM 37° Clear 3% 6 mph SW 38%
5 PM 37° Clear 3% 6 mph SW 43%
6 PM 35° Clear 3% 7 mph SSW 48%
7 PM 34° Clear 3% 7 mph SSW 52%
8 PM 33° Clear 3% 7 mph SSW 54%
9 PM 31° Clear 3% 7 mph SSW 57%
10 PM 30° Clear 3% 7 mph SSW 59%
15-Day Forecast
Today
8/31
Clear
3%
20°
31°
Tue
9/1
Clear
3%
22°
37°
Wed
9/2
Clear
7%
22°
39°
Thu
9/3
Partly Cloudy
3%
22°
38°
Fri
9/4
Partly Cloudy
9%
22°
39°
Sat
9/5
Drizzle
60%
23°
40°
Sun
9/6
Clear
19%
21°
38°
Mon
9/7
Clear
19%
17°
37°
Tue
9/8
Drizzle
60%
19°
38°
Wed
9/9
Drizzle
60%
20°
38°
Thu
9/10
Drizzle
60%
18°
35°
Fri
9/11
Drizzle
60%
19°
34°
Sat
9/12
Drizzle
60%
17°
32°
Sun
9/13
Drizzle
60%
17°
31°
Mon
9/14
Drizzle
60%
17°
31°
58
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
58 AQI 13.1 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 47 58
Wed 60 Moderate 48 60
Thu 51 Moderate 42 51
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
SBCAPE211 J/kg
MLCAPE398 J/kg
MUCAPE739 J/kg
SBCIN-672 J/kg
MLCIN-396 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear22 kt
0–1 km Shear19 kt
Eff. Shear25 kt
0–1 km SRH163
0–3 km SRH156
Eff. SRH34
Storm Motion318° @ 14 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index34.4
Thermo & Levels
PWAT1.62 in
0–3 km LR4.6 °C/km
700–500 LR6.7 °C/km
Total Totals45.7
LCL903 hPa
LFC583 hPa
EL242 hPa
Freezing Lvl15,709 ft