Freeze Warning — Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Clinton, IL, Marion, IL, Washington, IL, Randolph, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Madison, IL, St. Clair, IL, Monroe, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 8:00 AM

Jersey County, Illinois, United States

Last updated: 1:19 PM CDT  ·  Refresh
50°F
Feels like 46°
Mostly Cloudy
▲ 52°  /  ▼ 32°
Wind
11 mph NNW
Humidity
62%
Dew Point
38°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
4.3
Cloud Cover
76%
Sunrise
6:33 AM
Sunset
4:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jersey County is currently mostly cloudy at 50°F. Dry conditions are expected through the next 24 hours. Sunrise: 6:33AM · Sunset: 4:54PM.

Alerts

Freeze Warning
Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Clinton, IL, Marion, IL, Washington, IL, Randolph, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Madison, IL, St. Clair, IL, Monroe, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 8:00 AM
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
50°
0%
2 PM
50°
0%
3 PM
49°
0%
4 PM
49°
0%
5 PM
47°
0%
6 PM
45°
0%
7 PM
43°
0%
8 PM
42°
0%
9 PM
40°
0%
10 PM
39°
0%
11 PM
38°
0%
12 AM
38°
0%
1 AM
37°
0%
2 AM
36°
0%
3 AM
36°
0%
4 AM
33°
0%
5 AM
32°
0%
6 AM
32°
0%
7 AM
34°
0%
8 AM
36°
0%
9 AM
39°
0%
10 AM
42°
0%
11 AM
44°
0%
12 PM
46°
0%
7-Day Forecast
Today
52° 32°
Mostly Cloudy.
Sat
53° 32°
Partly Cloudy.
Sun
64° 37°
Mostly Clear.
Mon
67° 45°
Clear.
Tue
64° 45°
Clear.
Wed
60° 42°
Partly Cloudy with a 40% chance of rain.
Thu
50° 36°
Overcast with a 37% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 50° Mostly Cloudy 0% 11 mph NNW 62%
2 PM 50° Mostly Cloudy 0% 10 mph NNW 59%
3 PM 49° Partly Cloudy 0% 10 mph NNW 58%
4 PM 49° Partly Cloudy 0% 9 mph NNW 60%
5 PM 47° Partly Cloudy 0% 7 mph N 64%
6 PM 45° Mostly Clear 0% 6 mph N 68%
7 PM 43° Mostly Clear 0% 5 mph N 72%
8 PM 42° Clear 0% 5 mph N 74%
9 PM 40° Clear 0% 4 mph NNW 78%
10 PM 39° Clear 0% 4 mph NNW 81%
11 PM 38° Clear 0% 4 mph NNW 83%
12 AM 38° Clear 0% 4 mph NNW 85%
1 AM 37° Clear 0% 3 mph NNW 86%
2 AM 36° Clear 0% 3 mph NNW 88%
3 AM 36° Clear 0% 3 mph NW 89%
4 AM 33° Mostly Clear 0% 3 mph NW 90%
5 AM 32° Mostly Clear 0% 3 mph WNW 91%
6 AM 32° Partly Cloudy 0% 3 mph WNW 91%
7 AM 34° Partly Cloudy 0% 3 mph WNW 88%
8 AM 36° Partly Cloudy 0% 4 mph NW 80%
9 AM 39° Partly Cloudy 0% 4 mph NW 70%
10 AM 42° Partly Cloudy 0% 4 mph NW 63%
11 AM 44° Partly Cloudy 0% 4 mph NW 58%
12 PM 46° Mostly Cloudy 0% 4 mph NW 56%
15-Day Forecast
Today
11/6
Mostly Cloudy
0%
32°
52°
Sat
11/7
Partly Cloudy
0%
32°
53°
Sun
11/8
Mostly Clear
3%
37°
64°
Mon
11/9
Clear
3%
45°
67°
Tue
11/10
Clear
3%
45°
64°
Wed
11/11
Partly Cloudy
40%
42°
60°
Thu
11/12
Overcast
37%
36°
50°
Fri
11/13
Mostly Cloudy
9%
32°
46°
Sat
11/14
Partly Cloudy
25%
27°
48°
Sun
11/15
Mostly Cloudy
50%
27°
53°
Mon
11/16
Overcast
81%
38°
57°
Tue
11/17
Drizzle
71%
46°
57°
Wed
11/18
Drizzle
80%
44°
56°
Thu
11/19
Drizzle
69%
43°
54°
Fri
11/20
Drizzle
73%
43°
53°
24
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
14 AQI 2.6 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 24 Good 24 14
Sun 26 Good 22 26
Mon 44 Good 25 44
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 Nov 6, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE37 J/kg
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-2 J/kg
Lifted Index14.2
Kinematics
0–6 km Shear18 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH17
0–3 km SRH30
Eff. SRH—
Storm Motion354° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-18.7
Thermo & Levels
PWAT0.38 in
0–3 km LR2.7 °C/km
700–500 LR7.6 °C/km
Total Totals29.6
LCL906 hPa
LFC1000 hPa
EL853 hPa
Freezing Lvl3,245 ft