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: 8:25 PM CDT  ·  Refresh
10°C
Feels like 5°
Partly Cloudy
▲ 13°  /  ▼ 2°
Wind
14 mph NNW
Humidity
72%
Dew Point
6°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
60%
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 partly cloudy at 10°C. 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
10°
25%
9 PM
10°
6%
10 PM
9°
4%
11 PM
8°
4%
12 AM
8°
3%
1 AM
6°
3%
2 AM
6°
3%
3 AM
5°
3%
4 AM
4°
3%
5 AM
3°
3%
6 AM
2°
3%
7 AM
2°
3%
8 AM
4°
3%
9 AM
7°
3%
10 AM
8°
3%
11 AM
10°
3%
12 PM
11°
3%
1 PM
13°
3%
2 PM
13°
3%
3 PM
16°
3%
4 PM
16°
3%
5 PM
13°
3%
6 PM
13°
3%
7 PM
12°
3%
7-Day Forecast
Tonight
13° 2°
Partly Cloudy with a 25% chance of rain.
Sat
16° 2°
Clear.
Sun
20° 3°
Clear.
Mon
24° 4°
Clear.
Tue
26° 8°
Partly Cloudy.
Wed
27° 9°
Partly Cloudy.
Thu
28° 10°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 10° Partly Cloudy 25% 14 mph NNW 72%
9 PM 10° Mostly Clear 6% 11 mph NNW 73%
10 PM 9° Mostly Clear 4% 10 mph NNW 74%
11 PM 8° Mostly Clear 4% 10 mph N 75%
12 AM 8° Clear 3% 11 mph N 76%
1 AM 6° Clear 3% 10 mph N 77%
2 AM 6° Clear 3% 9 mph N 78%
3 AM 5° Clear 3% 8 mph N 78%
4 AM 4° Clear 3% 8 mph N 80%
5 AM 3° Clear 3% 7 mph N 82%
6 AM 2° Clear 3% 6 mph N 84%
7 AM 2° Clear 3% 5 mph N 83%
8 AM 4° Clear 3% 5 mph N 75%
9 AM 7° Clear 3% 5 mph NNE 66%
10 AM 8° Clear 3% 4 mph NE 60%
11 AM 10° Clear 3% 3 mph NE 55%
12 PM 11° Clear 3% 2 mph ENE 50%
1 PM 13° Clear 3% 2 mph ENE 45%
2 PM 13° Clear 3% 2 mph E 42%
3 PM 16° Clear 3% 2 mph SW 40%
4 PM 16° Clear 3% 2 mph SW 40%
5 PM 13° Clear 3% 2 mph SSW 43%
6 PM 13° Clear 3% 2 mph S 45%
7 PM 12° Clear 3% 2 mph S 48%
15-Day Forecast
Today
10/16
Partly Cloudy
25%
2°
13°
Sat
10/17
Clear
3%
2°
16°
Sun
10/18
Clear
3%
3°
20°
Mon
10/19
Clear
3%
4°
24°
Tue
10/20
Partly Cloudy
3%
8°
26°
Wed
10/21
Partly Cloudy
3%
9°
27°
Thu
10/22
Clear
3%
10°
28°
Fri
10/23
Clear
3%
11°
29°
Sat
10/24
Partly Cloudy
3%
12°
29°
Sun
10/25
Mostly Cloudy
35%
12°
26°
Mon
10/26
Drizzle
60%
9°
23°
Tue
10/27
Drizzle
60%
8°
22°
Wed
10/28
Drizzle
60%
8°
21°
Thu
10/29
Drizzle
60%
9°
22°
Fri
10/30
Drizzle
60%
9°
22°
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
SBCAPE3 J/kg
MLCAPE16 J/kg
MUCAPE44 J/kg
SBCIN-62 J/kg
MLCIN-18 J/kg
Lifted Index10.1
Kinematics
0–6 km Shear55 kt
0–1 km Shear26 kt
Eff. Shear—
0–1 km SRH81
0–3 km SRH61
Eff. SRH—
Storm Motion22° @ 34 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index14.1
Thermo & Levels
PWAT0.56 in
0–3 km LR6.3 °C/km
700–500 LR4.5 °C/km
Total Totals38.8
LCL941 hPa
LFC843 hPa
EL791 hPa
Freezing Lvl4,560 ft