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

Stark County, Illinois, United States

Last updated: 10:10 PM CDT  ·  Refresh
22°C
Feels like 23°
Rain
▲ 28°  /  ▼ 15°
Wind
8 mph NW
Humidity
94%
Dew Point
20°
Pressure
29.22 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
56%
Sunrise
6:15 AM
Sunset
7:48 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Stark County is currently rain at 22°C. Precipitation is likely — peak probability 54% around 11 PM. Atmospheric instability is elevated (CAPE up to 1578 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 7:48PM.

Alerts

Severe Thunderstorm Watch
Expires 12:00 AM
Severe Thunderstorm Watch
Expires 12:00 AM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
49%
11 PM
21°
54%
12 AM
21°
19%
1 AM
19°
3%
2 AM
19°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
17°
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°
12%
2 PM
27°
20%
3 PM
27°
20%
4 PM
27°
20%
5 PM
28°
5%
6 PM
27°
5%
7 PM
26°
3%
8 PM
25°
3%
9 PM
21°
3%
7-Day Forecast
Tonight
28° 15°
Rain, 49% chance.
Sat
28° 16°
Mostly Clear with a 20% chance of rain.
Sun
26° 12°
Mostly Clear.
Mon
23° 14°
Overcast with a 37% chance of rain.
Tue
25° 14°
Rain, 64% chance.
Wed
28° 17°
Thunderstorm, 64% chance.
Thu
27° 17°
Drizzle, 43% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Rain 49% 8 mph NW 94%
11 PM 21° Mostly Clear 54% 6 mph WNW 93%
12 AM 21° Clear 19% 6 mph WNW 94%
1 AM 19° Mostly Clear 3% 7 mph WNW 93%
2 AM 19° Mostly Clear 3% 7 mph NW 92%
3 AM 18° Mostly Clear 3% 7 mph NW 92%
4 AM 18° Mostly Clear 3% 7 mph NW 93%
5 AM 17° Mostly Clear 3% 7 mph NW 92%
6 AM 16° Mostly Clear 3% 7 mph NW 92%
7 AM 16° Mostly Clear 3% 6 mph NW 92%
8 AM 18° Mostly Clear 5% 7 mph NW 88%
9 AM 20° Mostly Clear 5% 7 mph NW 83%
10 AM 22° Clear 17% 8 mph NW 78%
11 AM 23° Clear 17% 9 mph NW 72%
12 PM 24° Mostly Clear 17% 11 mph NW 68%
1 PM 27° Mostly Clear 12% 12 mph WNW 64%
2 PM 27° Mostly Clear 20% 12 mph NW 65%
3 PM 27° Partly Cloudy 20% 12 mph NW 65%
4 PM 27° Partly Cloudy 20% 12 mph NW 65%
5 PM 28° Mostly Clear 5% 11 mph NW 68%
6 PM 27° Mostly Clear 5% 10 mph NW 71%
7 PM 26° Clear 3% 10 mph NW 72%
8 PM 25° Clear 3% 10 mph NW 74%
9 PM 21° Clear 3% 8 mph NW 76%
15-Day Forecast
Today
8/21
Rain
49%
15°
28°
Sat
8/22
Mostly Clear
20%
16°
28°
Sun
8/23
Mostly Clear
3%
12°
26°
Mon
8/24
Overcast
37%
14°
23°
Tue
8/25
Rain
64%
14°
25°
Wed
8/26
Thunderstorm
64%
17°
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, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1254 J/kg
MLCAPE2561 J/kg
MUCAPE3222 J/kg
SBCIN-179 J/kg
MLCIN-39 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear26 kt
0–1 km Shear21 kt
Eff. Shear26 kt
0–1 km SRH188
0–3 km SRH205
Eff. SRH205
Storm Motion329° @ 27 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado0.7
STP (eff)1.6
Supercell9.0
K-Index30.4
Thermo & Levels
PWAT1.54 in
0–3 km LR5.0 °C/km
700–500 LR6.6 °C/km
Total Totals51.7
LCL972 hPa
LFC773 hPa
EL224 hPa
Freezing Lvl12,907 ft