Flood Warning — Pike County, IL, Scott County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL Flood Warning — Calhoun County, IL, Greene County, IL, Jersey County, IL, Pike County, IL, Scott County, IL Flood Warning — Brown County, IL, Pike County, IL, Scott County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Morgan County, IL Flood Warning — Morgan County, IL, Pike County, IL, Brown County, IL, Scott County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL Flood Warning — Pike County, MO, Morgan County, IL, Pike County, IL, Brown County, IL, Scott County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL 8:12 AM

Jersey County, Illinois, United States

Last updated: 4:59 PM CDT  ·  Refresh
26°C
Feels like 27°
Partly Cloudy
▲ 27°  /  ▼ 15°
Wind
3 mph ENE
Humidity
55%
Dew Point
14°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
6.8
Cloud Cover
41%
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 26°C. Precipitation is likely — peak probability 51% around 4 PM. Atmospheric instability is elevated (CAPE up to 987 J/kg) — isolated convective development possible. Sunrise: 5:36AM · Sunset: 8:31PM.

42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
5 PM
27°
23%
6 PM
26°
23%
7 PM
24°
23%
8 PM
23°
23%
9 PM
21°
23%
10 PM
20°
25%
11 PM
19°
25%
12 AM
19°
19%
1 AM
18°
5%
2 AM
18°
8%
3 AM
18°
9%
4 AM
18°
9%
5 AM
17°
9%
6 AM
17°
9%
7 AM
19°
13%
8 AM
20°
19%
9 AM
22°
20%
10 AM
23°
26%
11 AM
23°
26%
12 PM
24°
32%
1 PM
26°
38%
2 PM
26°
44%
3 PM
26°
44%
7-Day Forecast
Today
27° 15°
Rain, 25% chance.
Wed
28° 17°
Rain, 51% chance.
Thu
30° 19°
Rain, 84% chance.
Fri
29° 19°
Heavy Rain, 90% chance.
Sat
32° 21°
Drizzle, 62% chance.
Sun
35° 23°
Clear with a 29% chance of rain.
Mon
36° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 3% 3 mph ENE 55%
5 PM 27° Overcast 23% 4 mph ENE 58%
6 PM 26° Rain 23% 4 mph E 62%
7 PM 24° Rain 23% 4 mph ESE 68%
8 PM 23° Rain 23% 5 mph ESE 72%
9 PM 21° Rain 23% 5 mph ESE 75%
10 PM 20° Rain 25% 5 mph ESE 77%
11 PM 19° Rain 25% 5 mph SE 78%
12 AM 19° Drizzle 19% 6 mph SE 80%
1 AM 18° Partly Cloudy 5% 6 mph SE 80%
2 AM 18° Partly Cloudy 8% 6 mph SE 80%
3 AM 18° Mostly Cloudy 9% 6 mph SSE 81%
4 AM 18° Mostly Cloudy 9% 7 mph SSE 81%
5 AM 17° Mostly Cloudy 9% 7 mph SSE 81%
6 AM 17° Mostly Cloudy 9% 8 mph SSE 81%
7 AM 19° Mostly Cloudy 13% 9 mph S 76%
8 AM 20° Partly Cloudy 19% 10 mph S 72%
9 AM 22° Partly Cloudy 20% 10 mph S 70%
10 AM 23° Partly Cloudy 26% 9 mph S 70%
11 AM 23° Partly Cloudy 26% 9 mph SSW 70%
12 PM 24° Mostly Cloudy 32% 9 mph SSW 71%
1 PM 26° Drizzle 38% 9 mph SSW 73%
2 PM 26° Rain 44% 9 mph SSW 75%
3 PM 26° Rain 44% 8 mph SW 78%
15-Day Forecast
Today
6/23
Rain
25%
15°
27°
Wed
6/24
Rain
51%
17°
28°
Thu
6/25
Rain
84%
19°
30°
Fri
6/26
Heavy Rain
90%
19°
29°
Sat
6/27
Drizzle
62%
21°
32°
Sun
6/28
Clear
29%
23°
35°
Mon
6/29
Clear
14%
23°
36°
Tue
6/30
Clear
66%
23°
36°
Wed
7/1
Thunderstorm
66%
23°
35°
Thu
7/2
Drizzle
63%
24°
34°
Fri
7/3
Drizzle
63%
23°
31°
Sat
7/4
Drizzle
66%
22°
33°
Sun
7/5
Drizzle
66%
21°
32°
Mon
7/6
Drizzle
66%
20°
31°
Tue
7/7
Drizzle
66%
20°
32°
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
Wed 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, 20:00'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
SBCAPE27 J/kg
MLCAPE2 J/kg
MUCAPE27 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.8
Kinematics
0–6 km Shear31 kt
0–1 km Shear3 kt
Eff. Shear
0–1 km SRH-12
0–3 km SRH-94
Eff. SRH
Storm Motion249° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index16.9
Thermo & Levels
PWAT1.05 in
0–3 km LR6.3 °C/km
700–500 LR5.8 °C/km
Total Totals37.6
LCL848 hPa
LFC1000 hPa
EL767 hPa
Freezing Lvl13,832 ft