Freeze Warning — Jefferson, IL, Wayne, IL, Perry, IL, Franklin, IL, Hamilton, IL, Jackson, IL, Williamson, IL, Saline, IL, Union, IL, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO 8:00 AM

Jackson County, Illinois, United States

Last updated: 2:07 PM CDT  ·  Refresh
13°C
Feels like 8°
Mostly Cloudy
▲ 14°  /  ▼ 2°
Wind
11 mph NNW
Humidity
60%
Dew Point
5°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
4.5
Cloud Cover
67%
Sunrise
6:27 AM
Sunset
4:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jackson County is currently mostly cloudy at 13°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:27AM · Sunset: 4:53PM.

Alerts

Freeze Warning
Jefferson, IL, Wayne, IL, Perry, IL, Franklin, IL, Hamilton, IL, Jackson, IL, Williamson, IL, Saline, IL, Union, IL, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO
Expires 8:00 AM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
13°
0%
3 PM
13°
0%
4 PM
14°
0%
5 PM
13°
0%
6 PM
11°
0%
7 PM
11°
0%
8 PM
8°
0%
9 PM
7°
0%
10 PM
6°
0%
11 PM
6°
0%
12 AM
4°
0%
1 AM
4°
0%
2 AM
3°
0%
3 AM
3°
0%
4 AM
2°
0%
5 AM
2°
0%
6 AM
2°
0%
7 AM
2°
0%
8 AM
3°
0%
9 AM
5°
0%
10 AM
7°
0%
11 AM
8°
0%
12 PM
10°
0%
1 PM
12°
0%
7-Day Forecast
Today
14° 2°
Mostly Cloudy.
Sat
14° 2°
Mostly Clear.
Sun
19° 4°
Clear.
Mon
20° 8°
Clear.
Tue
20° 9°
Clear.
Wed
17° 7°
Mostly Clear with a 37% chance of rain.
Thu
14° 4°
Mostly Cloudy with a 40% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 13° Mostly Cloudy 0% 11 mph NNW 60%
3 PM 13° Partly Cloudy 0% 11 mph NNW 59%
4 PM 14° Partly Cloudy 0% 9 mph NNW 59%
5 PM 13° Mostly Cloudy 0% 7 mph NNW 65%
6 PM 11° Partly Cloudy 0% 6 mph N 69%
7 PM 11° Partly Cloudy 0% 7 mph N 70%
8 PM 8° Partly Cloudy 0% 6 mph N 72%
9 PM 7° Mostly Clear 0% 5 mph N 75%
10 PM 6° Clear 0% 4 mph NNW 78%
11 PM 6° Clear 0% 4 mph NNW 82%
12 AM 4° Clear 0% 4 mph NNW 84%
1 AM 4° Clear 0% 3 mph NNW 86%
2 AM 3° Clear 0% 3 mph NNW 88%
3 AM 3° Clear 0% 3 mph NNW 89%
4 AM 2° Clear 0% 3 mph NNW 90%
5 AM 2° Clear 0% 3 mph NNW 90%
6 AM 2° Clear 0% 3 mph NNW 90%
7 AM 2° Clear 0% 3 mph NNW 89%
8 AM 3° Clear 0% 3 mph NNW 85%
9 AM 5° Mostly Clear 0% 3 mph NNW 74%
10 AM 7° Mostly Clear 0% 4 mph NNW 65%
11 AM 8° Mostly Clear 0% 4 mph NNW 60%
12 PM 10° Mostly Clear 0% 4 mph NNW 57%
1 PM 12° Partly Cloudy 0% 5 mph NNW 48%
15-Day Forecast
Today
11/6
Mostly Cloudy
0%
2°
14°
Sat
11/7
Mostly Clear
0%
2°
14°
Sun
11/8
Clear
3%
4°
19°
Mon
11/9
Clear
3%
8°
20°
Tue
11/10
Clear
3%
9°
20°
Wed
11/11
Mostly Clear
37%
7°
17°
Thu
11/12
Mostly Cloudy
40%
4°
14°
Fri
11/13
Mostly Cloudy
30%
0°
9°
Sat
11/14
Mostly Clear
22%
-2°
10°
Sun
11/15
Partly Cloudy
48%
-2°
13°
Mon
11/16
Overcast
80%
2°
15°
Tue
11/17
Drizzle
80%
8°
15°
Wed
11/18
Drizzle
77%
8°
15°
Thu
11/19
Drizzle
69%
7°
14°
Fri
11/20
Drizzle
73%
7°
14°
31
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
23 AQI 4.2 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 31 Good 31 23
Sun 33 Good 31 33
Mon 44 Good 31 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 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE58 J/kg
MLCAPE12 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index11.6
Kinematics
0–6 km Shear15 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH11
0–3 km SRH43
Eff. SRH—
Storm Motion347° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-19.3
Thermo & Levels
PWAT0.38 in
0–3 km LR3.4 °C/km
700–500 LR7.4 °C/km
Total Totals30.4
LCL902 hPa
LFC1005 hPa
EL861 hPa
Freezing Lvl10,945 ft