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

Stark County, Illinois, United States

Last updated: 8:25 PM CDT  ·  Refresh
8°C
Feels like 6°
Mostly Clear
▲ 12°  /  ▼ 1°
Wind
11 mph NNW
Humidity
76%
Dew Point
4°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
18%
Sunrise
7:10 AM
Sunset
6:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Stark County is currently mostly clear at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:10AM · 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
8°
12%
9 PM
8°
6%
10 PM
7°
6%
11 PM
7°
4%
12 AM
6°
4%
1 AM
5°
3%
2 AM
4°
3%
3 AM
3°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
1°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
6°
3%
10 AM
7°
3%
11 AM
9°
3%
12 PM
10°
3%
1 PM
12°
3%
2 PM
13°
3%
3 PM
14°
3%
4 PM
14°
3%
5 PM
12°
3%
6 PM
11°
3%
7 PM
11°
3%
7-Day Forecast
Tonight
12° 1°
Mostly Clear.
Sat
14° 1°
Clear.
Sun
18° 3°
Clear.
Mon
22° 4°
Clear.
Tue
24° 8°
Mostly Clear.
Wed
25° 10°
Mostly Clear.
Thu
27° 12°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Mostly Clear 12% 11 mph NNW 76%
9 PM 8° Clear 6% 12 mph NNW 76%
10 PM 7° Clear 6% 11 mph N 76%
11 PM 7° Clear 4% 10 mph N 77%
12 AM 6° Clear 4% 10 mph N 79%
1 AM 5° Clear 3% 9 mph N 81%
2 AM 4° Clear 3% 8 mph N 83%
3 AM 3° Clear 3% 7 mph N 85%
4 AM 3° Clear 3% 6 mph N 86%
5 AM 2° Clear 3% 6 mph N 86%
6 AM 1° Clear 3% 5 mph NNW 86%
7 AM 2° Clear 3% 4 mph NNW 84%
8 AM 3° Clear 3% 4 mph NNW 77%
9 AM 6° Clear 3% 3 mph N 68%
10 AM 7° Clear 3% 2 mph NNE 60%
11 AM 9° Clear 3% 2 mph SSW 54%
12 PM 10° Clear 3% 4 mph SSW 48%
1 PM 12° Clear 3% 5 mph SSW 44%
2 PM 13° Clear 3% 5 mph SW 42%
3 PM 14° Clear 3% 6 mph SW 41%
4 PM 14° Clear 3% 6 mph SW 42%
5 PM 12° Clear 3% 6 mph SW 46%
6 PM 11° Clear 3% 6 mph SSW 50%
7 PM 11° Clear 3% 6 mph SSW 52%
15-Day Forecast
Today
10/16
Mostly Clear
12%
1°
12°
Sat
10/17
Clear
3%
1°
14°
Sun
10/18
Clear
3%
3°
18°
Mon
10/19
Clear
3%
4°
22°
Tue
10/20
Mostly Clear
3%
8°
24°
Wed
10/21
Mostly Clear
9%
10°
25°
Thu
10/22
Mostly Clear
9%
12°
27°
Fri
10/23
Clear
3%
12°
27°
Sat
10/24
Overcast
3%
12°
27°
Sun
10/25
Mostly Clear
35%
10°
23°
Mon
10/26
Mostly Cloudy
60%
8°
21°
Tue
10/27
Clear
60%
8°
20°
Wed
10/28
Clear
60%
7°
19°
Thu
10/29
Drizzle
60%
8°
21°
Fri
10/30
Drizzle
60%
8°
20°
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
22 AQI 24 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 22 28
Sun 26 Good 26 6
Mon 27 Good 27 27
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
SBCAPE0 J/kg
MLCAPE4 J/kg
MUCAPE15 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index13.2
Kinematics
0–6 km Shear53 kt
0–1 km Shear24 kt
Eff. Shear—
0–1 km SRH97
0–3 km SRH113
Eff. SRH—
Storm Motion25° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index4.3
Thermo & Levels
PWAT0.43 in
0–3 km LR5.8 °C/km
700–500 LR4.1 °C/km
Total Totals33.6
LCL943 hPa
LFC1002 hPa
EL1002 hPa
Freezing Lvl4,259 ft