Frost Advisory — Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL 9:00 AM

Logan County, Illinois, United States

Last updated: 7:35 PM CDT  ·  Refresh
51°F
Feels like 42°
Mostly Cloudy
▲ 56°  /  ▼ 35°
Wind
14 mph NNW
Humidity
73%
Dew Point
43°
Pressure
29.68 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
61%
Sunrise
7:08 AM
Sunset
6:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Logan County is currently mostly cloudy at 51°F. Dry conditions are expected through the next 24 hours. Sunrise: 7:08AM · Sunset: 6:16PM.

Alerts

Frost Advisory
Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL
Expires 9:00 AM
28 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
51°
25%
8 PM
52°
12%
9 PM
50°
6%
10 PM
48°
4%
11 PM
47°
4%
12 AM
46°
3%
1 AM
43°
3%
2 AM
42°
3%
3 AM
40°
3%
4 AM
39°
3%
5 AM
36°
3%
6 AM
35°
3%
7 AM
36°
3%
8 AM
39°
3%
9 AM
44°
3%
10 AM
48°
3%
11 AM
50°
3%
12 PM
52°
3%
1 PM
55°
3%
2 PM
60°
3%
3 PM
60°
3%
4 PM
59°
3%
5 PM
56°
3%
6 PM
54°
3%
7-Day Forecast
Tonight
56° 35°
Mostly Cloudy with a 25% chance of rain.
Sat
60° 35°
Clear.
Sun
67° 38°
Clear.
Mon
75° 39°
Clear.
Tue
79° 47°
Partly Cloudy.
Wed
80° 49°
Partly Cloudy.
Thu
83° 50°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 51° Mostly Cloudy 25% 14 mph NNW 73%
8 PM 52° Partly Cloudy 12% 13 mph N 73%
9 PM 50° Partly Cloudy 6% 11 mph N 73%
10 PM 48° Mostly Clear 4% 11 mph N 74%
11 PM 47° Mostly Clear 4% 11 mph N 75%
12 AM 46° Clear 3% 11 mph N 76%
1 AM 43° Clear 3% 10 mph N 77%
2 AM 42° Clear 3% 9 mph N 78%
3 AM 40° Clear 3% 8 mph N 79%
4 AM 39° Clear 3% 8 mph N 80%
5 AM 36° Clear 3% 7 mph N 82%
6 AM 35° Clear 3% 6 mph NNW 85%
7 AM 36° Clear 3% 5 mph N 82%
8 AM 39° Clear 3% 5 mph N 73%
9 AM 44° Clear 3% 5 mph NNE 65%
10 AM 48° Clear 3% 4 mph NE 59%
11 AM 50° Clear 3% 3 mph NE 54%
12 PM 52° Clear 3% 2 mph ENE 49%
1 PM 55° Clear 3% 2 mph ENE 45%
2 PM 60° Clear 3% 2 mph ENE 42%
3 PM 60° Clear 3% 2 mph WSW 40%
4 PM 59° Clear 3% 2 mph WSW 40%
5 PM 56° Clear 3% 2 mph SW 43%
6 PM 54° Clear 3% 2 mph SSW 46%
15-Day Forecast
Today
10/16
Mostly Cloudy
25%
35°
56°
Sat
10/17
Clear
3%
35°
60°
Sun
10/18
Clear
3%
38°
67°
Mon
10/19
Clear
3%
39°
75°
Tue
10/20
Partly Cloudy
3%
47°
79°
Wed
10/21
Partly Cloudy
3%
49°
80°
Thu
10/22
Clear
3%
50°
83°
Fri
10/23
Clear
8%
52°
84°
Sat
10/24
Partly Cloudy
35%
53°
84°
Sun
10/25
Mostly Cloudy
35%
49°
75°
Mon
10/26
Partly Cloudy
31%
46°
72°
Tue
10/27
Drizzle
60%
46°
69°
Wed
10/28
Clear
60%
46°
70°
Thu
10/29
Drizzle
60%
47°
72°
Fri
10/30
Drizzle
60%
48°
69°
28
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
28 AQI 5.1 µg/m³
O3
Ground-level ozone
21 AQI 24 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 21 28
Sun 30 Good 30 8
Mon 31 Good 31 29
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 Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE6 J/kg
MLCAPE31 J/kg
MUCAPE62 J/kg
SBCIN-58 J/kg
MLCIN-17 J/kg
Lifted Index7.4
Kinematics
0–6 km Shear52 kt
0–1 km Shear23 kt
Eff. Shear—
0–1 km SRH102
0–3 km SRH73
Eff. SRH—
Storm Motion19° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.5
Thermo & Levels
PWAT0.62 in
0–3 km LR6.5 °C/km
700–500 LR5.3 °C/km
Total Totals43.9
LCL939 hPa
LFC858 hPa
EL789 hPa
Freezing Lvl4,649 ft