Severe Thunderstorm Watch 12:00 AM

Carroll County, Illinois, United States

Last updated: 10:11 PM CDT  ·  Refresh
20°C
Feels like 21°
Mostly Clear
▲ 27°  /  ▼ 14°
Wind
6 mph WSW
Humidity
92%
Dew Point
19°
Pressure
29.10 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
11%
Sunrise
6:14 AM
Sunset
7:51 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Carroll County is currently mostly clear at 20°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1179 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 7:51PM.

Alerts

Severe Thunderstorm Watch
Expires 12:00 AM
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
7%
11 PM
19°
15%
12 AM
19°
16%
1 AM
18°
5%
2 AM
17°
5%
3 AM
16°
6%
4 AM
16°
8%
5 AM
14°
8%
6 AM
14°
4%
7 AM
14°
5%
8 AM
17°
5%
9 AM
19°
5%
10 AM
22°
5%
11 AM
23°
7%
12 PM
24°
12%
1 PM
26°
16%
2 PM
26°
16%
3 PM
26°
5%
4 PM
26°
5%
5 PM
26°
5%
6 PM
25°
3%
7 PM
24°
3%
8 PM
23°
3%
9 PM
19°
3%
7-Day Forecast
Tonight
27° 14°
Mostly Clear.
Sat
26° 14°
Clear.
Sun
24° 11°
Mostly Clear.
Mon
23° 12°
Partly Cloudy with a 44% chance of rain.
Tue
24° 12°
Drizzle, 51% chance.
Wed
28° 16°
Rain, 64% chance.
Thu
26° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Mostly Clear 7% 6 mph WSW 92%
11 PM 19° Clear 15% 5 mph WNW 91%
12 AM 19° Clear 16% 6 mph NW 90%
1 AM 18° Clear 5% 6 mph NW 90%
2 AM 17° Clear 5% 7 mph NW 90%
3 AM 16° Clear 6% 7 mph NW 91%
4 AM 16° Clear 8% 7 mph NW 91%
5 AM 14° Clear 8% 6 mph NW 91%
6 AM 14° Clear 4% 6 mph NW 91%
7 AM 14° Clear 5% 5 mph NW 90%
8 AM 17° Clear 5% 6 mph NW 86%
9 AM 19° Clear 5% 7 mph WNW 80%
10 AM 22° Clear 5% 8 mph WNW 75%
11 AM 23° Clear 7% 10 mph NW 69%
12 PM 24° Clear 12% 13 mph NW 64%
1 PM 26° Clear 16% 14 mph NW 60%
2 PM 26° Clear 16% 14 mph NW 58%
3 PM 26° Clear 5% 14 mph NW 56%
4 PM 26° Clear 5% 14 mph NW 56%
5 PM 26° Clear 5% 12 mph NW 60%
6 PM 25° Clear 3% 10 mph NW 64%
7 PM 24° Clear 3% 10 mph NW 64%
8 PM 23° Clear 3% 10 mph NW 67%
9 PM 19° Clear 3% 8 mph NW 70%
15-Day Forecast
Today
8/21
Mostly Clear
7%
14°
27°
Sat
8/22
Clear
16%
14°
26°
Sun
8/23
Mostly Clear
3%
11°
24°
Mon
8/24
Partly Cloudy
44%
12°
23°
Tue
8/25
Drizzle
51%
12°
24°
Wed
8/26
Rain
64%
16°
28°
Thu
8/27
Clear
8%
16°
26°
Fri
8/28
Clear
17%
16°
27°
Sat
8/29
Rain
68%
16°
27°
Sun
8/30
Drizzle
44%
19°
28°
Mon
8/31
Drizzle
60%
17°
30°
Tue
9/1
Drizzle
60%
18°
29°
Wed
9/2
Drizzle
60%
18°
27°
Thu
9/3
Drizzle
60%
17°
26°
Fri
9/4
Drizzle
60%
16°
27°
36
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
32 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 36 Good 36 32
Sun 29 Good 29 26
Mon 27 Good 27 11
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
SBCAPE527 J/kg
MLCAPE1159 J/kg
MUCAPE1877 J/kg
SBCIN-255 J/kg
MLCIN-74 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear28 kt
0–1 km Shear19 kt
Eff. Shear22 kt
0–1 km SRH49
0–3 km SRH52
Eff. SRH39
Storm Motion343° @ 21 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.8
K-Index19.3
Thermo & Levels
PWAT1.23 in
0–3 km LR4.5 °C/km
700–500 LR6.6 °C/km
Total Totals47.3
LCL968 hPa
LFC635 hPa
EL252 hPa
Freezing Lvl12,933 ft