Severe Thunderstorm Watch 12:00 AM Severe Thunderstorm Watch 12:00 AM

Stark County, Illinois, United States

Last updated: 11:02 PM CDT  ·  Refresh
22°C
Feels like 24°
Partly Cloudy
▲ 28°  /  ▼ 15°
Wind
5 mph W
Humidity
94%
Dew Point
20°
Pressure
29.20 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
57%
Sunrise
6:15 AM
Sunset
7:48 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Stark County is currently partly cloudy at 22°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1582 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 7:48PM.

31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
45%
12 AM
21°
19%
1 AM
20°
3%
2 AM
19°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
16°
3%
6 AM
16°
3%
7 AM
16°
3%
8 AM
18°
5%
9 AM
20°
5%
10 AM
22°
17%
11 AM
23°
17%
12 PM
24°
17%
1 PM
27°
9%
2 PM
27°
20%
3 PM
27°
20%
4 PM
28°
20%
5 PM
28°
5%
6 PM
27°
5%
7 PM
26°
3%
8 PM
25°
3%
9 PM
22°
3%
10 PM
20°
3%
7-Day Forecast
Tonight
28° 15°
Partly Cloudy with a 45% chance of rain.
Sat
28° 16°
Mostly Clear with a 20% chance of rain.
Sun
26° 12°
Partly Cloudy.
Mon
24° 14°
Mostly Cloudy with a 44% chance of rain.
Tue
25° 13°
Rain, 64% chance.
Wed
28° 16°
Thunderstorm, 64% chance.
Thu
27° 17°
Drizzle, 43% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Partly Cloudy 45% 5 mph W 94%
12 AM 21° Clear 19% 6 mph WNW 94%
1 AM 20° Clear 3% 6 mph WNW 93%
2 AM 19° Clear 3% 7 mph NW 92%
3 AM 18° Clear 3% 7 mph NW 91%
4 AM 18° Clear 3% 7 mph NW 91%
5 AM 16° Clear 3% 7 mph NW 92%
6 AM 16° Clear 3% 7 mph NW 92%
7 AM 16° Clear 3% 7 mph NW 92%
8 AM 18° Clear 5% 7 mph NW 87%
9 AM 20° Clear 5% 8 mph NW 81%
10 AM 22° Clear 17% 8 mph NW 76%
11 AM 23° Clear 17% 10 mph NW 71%
12 PM 24° Clear 17% 11 mph WNW 67%
1 PM 27° Clear 9% 12 mph WNW 64%
2 PM 27° Mostly Clear 20% 12 mph WNW 64%
3 PM 27° Mostly Clear 20% 12 mph NW 63%
4 PM 28° Partly Cloudy 20% 12 mph NW 64%
5 PM 28° Mostly Clear 5% 11 mph NW 67%
6 PM 27° Mostly Clear 5% 10 mph NW 70%
7 PM 26° Clear 3% 10 mph NW 71%
8 PM 25° Clear 3% 10 mph NW 72%
9 PM 22° Clear 3% 9 mph NW 73%
10 PM 20° Mostly Clear 3% 7 mph NW 75%
15-Day Forecast
Today
8/21
Partly Cloudy
45%
15°
28°
Sat
8/22
Mostly Clear
20%
16°
28°
Sun
8/23
Partly Cloudy
3%
12°
26°
Mon
8/24
Mostly Cloudy
44%
14°
24°
Tue
8/25
Rain
64%
13°
25°
Wed
8/26
Thunderstorm
64%
16°
28°
Thu
8/27
Drizzle
43%
17°
27°
Fri
8/28
Clear
17%
17°
26°
Sat
8/29
Thunderstorm
68%
16°
29°
Sun
8/30
Drizzle
68%
19°
31°
Mon
8/31
Drizzle
60%
19°
32°
Tue
9/1
Drizzle
60%
19°
31°
Wed
9/2
Drizzle
60%
18°
28°
Thu
9/3
Drizzle
60%
18°
27°
Fri
9/4
Clear
60%
17°
28°
31
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
31 AQI 5.5 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 31
Sun 30 Good 30 24
Mon 27 Good 27 8
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 Aug 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1231 J/kg
MLCAPE2287 J/kg
MUCAPE2853 J/kg
SBCIN-121 J/kg
MLCIN-27 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear28 kt
0–1 km Shear20 kt
Eff. Shear28 kt
0–1 km SRH136
0–3 km SRH131
Eff. SRH131
Storm Motion329° @ 26 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado0.5
STP (eff)1.0
Supercell5.4
K-Index41.0
Thermo & Levels
PWAT1.92 in
0–3 km LR5.4 °C/km
700–500 LR6.3 °C/km
Total Totals54.7
LCL966 hPa
LFC788 hPa
EL222 hPa
Freezing Lvl12,598 ft