Jersey County, Illinois, United States

Last updated: 7:40 PM CDT  ·  Refresh
24°C
Feels like 26°
Partly Cloudy
▲ 27°  /  ▼ 15°
Wind
4 mph E
Humidity
67%
Dew Point
16°
Pressure
29.51 inHg
Visibility
10 mi
UV Index
2.1
Cloud Cover
54%
Sunrise
5:36 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jersey County is currently partly cloudy at 24°C. Precipitation is likely — peak probability 58% around 4 PM. Atmospheric instability is elevated (CAPE up to 1497 J/kg) — isolated convective development possible. Sunrise: 5:36AM · Sunset: 8:31PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
8 PM
24°
29%
9 PM
21°
21%
10 PM
20°
23%
11 PM
19°
23%
12 AM
19°
23%
1 AM
18°
4%
2 AM
18°
22%
3 AM
17°
8%
4 AM
17°
8%
5 AM
17°
8%
6 AM
17°
8%
7 AM
18°
11%
8 AM
20°
17%
9 AM
23°
17%
10 AM
24°
38%
11 AM
24°
42%
12 PM
24°
42%
1 PM
27°
52%
2 PM
28°
57%
3 PM
28°
57%
4 PM
28°
57%
5 PM
25°
48%
6 PM
24°
48%
7-Day Forecast
Tonight
27° 15°
Partly Cloudy with a 23% chance of rain.
Wed
28° 17°
Drizzle, 57% chance.
Thu
29° 19°
Heavy Rain, 79% chance.
Fri
27° 19°
Heavy Rain, 90% chance.
Sat
32° 21°
Rain, 60% chance.
Sun
35° 23°
Clear with a 53% chance of rain.
Mon
36° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 11% 4 mph E 67%
8 PM 24° Partly Cloudy 29% 5 mph E 72%
9 PM 21° Rain 21% 5 mph ESE 74%
10 PM 20° Rain 23% 5 mph ESE 76%
11 PM 19° Rain 23% 5 mph SE 76%
12 AM 19° Rain 23% 5 mph SE 77%
1 AM 18° Partly Cloudy 4% 5 mph SE 78%
2 AM 18° Partly Cloudy 22% 6 mph SE 78%
3 AM 17° Mostly Cloudy 8% 6 mph SSE 79%
4 AM 17° Mostly Cloudy 8% 6 mph SSE 80%
5 AM 17° Mostly Cloudy 8% 7 mph SSE 80%
6 AM 17° Mostly Cloudy 8% 8 mph SSE 80%
7 AM 18° Mostly Cloudy 11% 8 mph SSE 77%
8 AM 20° Mostly Cloudy 17% 9 mph S 72%
9 AM 23° Mostly Cloudy 17% 10 mph S 68%
10 AM 24° Mostly Cloudy 38% 10 mph SSW 68%
11 AM 24° Mostly Cloudy 42% 10 mph SSW 69%
12 PM 24° Overcast 42% 10 mph SSW 69%
1 PM 27° Drizzle 52% 9 mph SW 70%
2 PM 28° Rain 57% 9 mph SW 73%
3 PM 28° Rain 57% 8 mph SW 76%
4 PM 28° Rain 57% 8 mph SW 78%
5 PM 25° Drizzle 48% 7 mph SW 81%
6 PM 24° Drizzle 48% 7 mph SW 84%
15-Day Forecast
Today
6/23
Partly Cloudy
23%
15°
27°
Wed
6/24
Drizzle
57%
17°
28°
Thu
6/25
Heavy Rain
79%
19°
29°
Fri
6/26
Heavy Rain
90%
19°
27°
Sat
6/27
Rain
60%
21°
32°
Sun
6/28
Clear
53%
23°
35°
Mon
6/29
Clear
13%
23°
36°
Tue
6/30
Clear
34%
23°
36°
Wed
7/1
Thunderstorm
54%
24°
35°
Thu
7/2
Drizzle
54%
24°
34°
Fri
7/3
Drizzle
54%
24°
34°
Sat
7/4
Thunderstorm
66%
22°
34°
Sun
7/5
Thunderstorm
66%
21°
34°
Mon
7/6
Thunderstorm
66%
20°
34°
Tue
7/7
Thunderstorm
66%
20°
34°
42
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
16 AQI 2.8 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 42 16
Thu 43 Good 43 30
Fri 46 Good 46 21
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 Tue Jun 23, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE10 J/kg
MLCAPE3 J/kg
MUCAPE10 J/kg
SBCIN-60 J/kg
MLCIN0 J/kg
Lifted Index1.3
Kinematics
0–6 km Shear32 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH4
0–3 km SRH-105
Eff. SRH—
Storm Motion254° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index15.8
Thermo & Levels
PWAT1.15 in
0–3 km LR5.6 °C/km
700–500 LR6.3 °C/km
Total Totals40.3
LCL883 hPa
LFC838 hPa
EL771 hPa
Freezing Lvl13,832 ft