Jersey County, Illinois, United States

Last updated: 1:08 PM CDT  ·  Refresh
32°C
Feels like 38°
Mostly Cloudy
▲ 34°  /  ▼ 23°
Wind
14 mph S
Humidity
64%
Dew Point
24°
Pressure
29.31 inHg
Visibility
10 mi
UV Index
7.0
Cloud Cover
72%
Sunrise
5:38 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jersey County is currently mostly cloudy at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3599 J/kg) — isolated convective development possible. Sunrise: 5:38AM · Sunset: 8:31PM.

Alerts

No active alerts for this location.
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
2 PM
33°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
32°
3%
7-Day Forecast
Today
34° 23°
Mostly Cloudy.
Tue
37° 23°
Clear.
Wed
37° 24°
Clear.
Thu
37° 24°
Clear with a 52% chance of rain.
Fri
36° 24°
Clear with a 53% chance of rain.
Sat
36° 23°
Drizzle, 60% chance.
Sun
36° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Cloudy 3% 14 mph S 64%
2 PM 33° Overcast 3% 13 mph S 63%
3 PM 34° Mostly Cloudy 3% 13 mph SSW 61%
4 PM 34° Mostly Cloudy 3% 13 mph SSW 59%
5 PM 34° Mostly Cloudy 3% 12 mph SSW 62%
6 PM 33° Mostly Cloudy 3% 12 mph SSW 66%
7 PM 32° Mostly Cloudy 3% 10 mph SSW 70%
8 PM 31° Mostly Cloudy 3% 9 mph SSW 73%
9 PM 29° Partly Cloudy 3% 9 mph S 76%
10 PM 28° Partly Cloudy 3% 8 mph S 79%
11 PM 27° Partly Cloudy 3% 9 mph S 81%
12 AM 27° Partly Cloudy 3% 9 mph S 83%
1 AM 26° Clear 3% 8 mph S 85%
2 AM 26° Clear 3% 8 mph S 86%
3 AM 25° Clear 3% 7 mph S 88%
4 AM 25° Clear 3% 7 mph S 88%
5 AM 23° Clear 3% 7 mph S 88%
6 AM 23° Clear 3% 7 mph S 88%
7 AM 24° Clear 3% 7 mph SSW 86%
8 AM 26° Mostly Clear 3% 8 mph SSW 82%
9 AM 28° Mostly Clear 3% 9 mph SSW 78%
10 AM 28° Mostly Clear 3% 10 mph SSW 74%
11 AM 29° Mostly Clear 3% 10 mph SSW 71%
12 PM 32° Mostly Clear 3% 10 mph SSW 68%
15-Day Forecast
Today
6/29
Mostly Cloudy
3%
23°
34°
Tue
6/30
Clear
3%
23°
37°
Wed
7/1
Clear
16%
24°
37°
Thu
7/2
Clear
52%
24°
37°
Fri
7/3
Clear
53%
24°
36°
Sat
7/4
Drizzle
60%
23°
36°
Sun
7/5
Clear
19%
23°
36°
Mon
7/6
Drizzle
60%
21°
33°
Tue
7/7
Rain
90%
21°
32°
Wed
7/8
Drizzle
60%
21°
33°
Thu
7/9
Drizzle
60%
21°
33°
Fri
7/10
Drizzle
60%
21°
33°
Sat
7/11
Drizzle
60%
21°
33°
Sun
7/12
Drizzle
60%
21°
33°
Mon
7/13
Drizzle
60%
20°
33°
48
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
48 AQI 8.6 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 48 Good 31 48
Wed 65 Moderate 31 65
Thu 52 Moderate 35 52
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 Mon Jun 29, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4208 J/kg
MLCAPE2739 J/kg
MUCAPE4208 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.8
Kinematics
0–6 km Shear14 kt
0–1 km Shear6 kt
Eff. Shear10 kt
0–1 km SRH-1
0–3 km SRH-45
Eff. SRH-45
Storm Motion204° @ 36 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index10.8
Thermo & Levels
PWAT1.52 in
0–3 km LR6.0 °C/km
700–500 LR7.2 °C/km
Total Totals41.4
LCL889 hPa
LFC993 hPa
EL140 hPa
Freezing Lvl16,053 ft