Severe Thunderstorm Watch 10:00 PM

Carroll County, Illinois, United States

Last updated: 9:11 PM CDT  ·  Refresh
20°C
Feels like 22°
Partly Cloudy
▲ 27°  /  ▼ 14°
Wind
3 mph WSW
Humidity
92%
Dew Point
19°
Pressure
29.09 inHg
Visibility
3 mi
UV Index
0.0
Cloud Cover
37%
Sunrise
6:14 AM
Sunset
7:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Carroll County is currently partly cloudy at 20°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1034 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 7:51PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
13%
10 PM
19°
14%
11 PM
19°
14%
12 AM
19°
14%
1 AM
18°
3%
2 AM
17°
3%
3 AM
17°
3%
4 AM
16°
4%
5 AM
14°
4%
6 AM
14°
5%
7 AM
14°
5%
8 AM
17°
5%
9 AM
20°
5%
10 AM
22°
5%
11 AM
23°
7%
12 PM
24°
7%
1 PM
26°
16%
2 PM
26°
16%
3 PM
26°
5%
4 PM
27°
5%
5 PM
26°
5%
6 PM
25°
3%
7 PM
24°
3%
8 PM
22°
3%
7-Day Forecast
Tonight
27° 14°
Partly Cloudy.
Sat
27° 14°
Clear.
Sun
24° 11°
Partly Cloudy.
Mon
22° 11°
Overcast with a 44% chance of rain.
Tue
24° 12°
Clear with a 51% chance of rain.
Wed
28° 16°
Rain, 51% chance.
Thu
26° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Partly Cloudy 13% 3 mph WSW 92%
10 PM 19° Clear 14% 4 mph WSW 93%
11 PM 19° Clear 14% 4 mph WNW 92%
12 AM 19° Clear 14% 5 mph NNW 90%
1 AM 18° Mostly Clear 3% 5 mph NNW 90%
2 AM 17° Mostly Clear 3% 6 mph NW 90%
3 AM 17° Mostly Clear 3% 6 mph NW 90%
4 AM 16° Mostly Clear 4% 6 mph NW 89%
5 AM 14° Mostly Clear 4% 6 mph NW 90%
6 AM 14° Mostly Clear 5% 5 mph NW 90%
7 AM 14° Mostly Clear 5% 5 mph NW 90%
8 AM 17° Mostly Clear 5% 6 mph NW 85%
9 AM 20° Mostly Clear 5% 8 mph NW 80%
10 AM 22° Clear 5% 8 mph NW 74%
11 AM 23° Clear 7% 10 mph NW 69%
12 PM 24° Clear 7% 13 mph NW 63%
1 PM 26° Clear 16% 14 mph NW 59%
2 PM 26° Clear 16% 14 mph NW 58%
3 PM 26° Clear 5% 14 mph NW 56%
4 PM 27° Clear 5% 13 mph NW 56%
5 PM 26° Clear 5% 11 mph NW 60%
6 PM 25° Clear 3% 10 mph NW 65%
7 PM 24° Clear 3% 9 mph NW 66%
8 PM 22° Clear 3% 8 mph NW 69%
15-Day Forecast
Today
8/21
Partly Cloudy
13%
14°
27°
Sat
8/22
Clear
14%
14°
27°
Sun
8/23
Partly Cloudy
3%
11°
24°
Mon
8/24
Overcast
44%
11°
22°
Tue
8/25
Clear
51%
12°
24°
Wed
8/26
Rain
51%
16°
28°
Thu
8/27
Clear
17%
16°
26°
Fri
8/28
Clear
17%
16°
27°
Sat
8/29
Drizzle
68%
16°
27°
Sun
8/30
Drizzle
68%
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 Fri Aug 21, 23:00'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
SBCAPE825 J/kg
MLCAPE1862 J/kg
MUCAPE2667 J/kg
SBCIN-210 J/kg
MLCIN-64 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear25 kt
0–1 km Shear20 kt
Eff. Shear25 kt
0–1 km SRH66
0–3 km SRH61
Eff. SRH61
Storm Motion340° @ 22 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)0.3
Supercell2.1
K-Index36.0
Thermo & Levels
PWAT1.54 in
0–3 km LR5.0 °C/km
700–500 LR5.9 °C/km
Total Totals51.3
LCL977 hPa
LFC785 hPa
EL243 hPa
Freezing Lvl12,890 ft