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

Macoupin County, Illinois, United States

Last updated: 1:19 PM CDT  ·  Refresh
9°C
Feels like 7°
Mostly Cloudy
▲ 11°  /  ▼ -1°
Wind
11 mph NNW
Humidity
58%
Dew Point
2°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
4.8
Cloud Cover
68%
Sunrise
6:32 AM
Sunset
4:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Macoupin County is currently mostly cloudy at 10°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:32AM · Sunset: 4:53PM.

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
25 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
0%
2 PM
9°
0%
3 PM
9°
0%
4 PM
9°
0%
5 PM
8°
0%
6 PM
7°
0%
7 PM
6°
0%
8 PM
4°
0%
9 PM
4°
0%
10 PM
3°
0%
11 PM
3°
0%
12 AM
2°
0%
1 AM
2°
0%
2 AM
1°
0%
3 AM
1°
0%
4 AM
0°
0%
5 AM
-1°
0%
6 AM
-1°
0%
7 AM
1°
0%
8 AM
2°
0%
9 AM
3°
0%
10 AM
5°
0%
11 AM
6°
0%
12 PM
8°
0%
7-Day Forecast
Today
11° -1°
Partly Cloudy.
Sat
11° -1°
Partly Cloudy.
Sun
17° 3°
Mostly Clear.
Mon
18° 7°
Mostly Clear.
Tue
17° 7°
Clear.
Wed
14° 6°
Mostly Clear with a 42% chance of rain.
Thu
9° 2°
Overcast with a 40% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 9° Mostly Cloudy 0% 11 mph NNW 58%
2 PM 9° Mostly Cloudy 0% 10 mph NNW 56%
3 PM 9° Partly Cloudy 0% 10 mph NNW 55%
4 PM 9° Partly Cloudy 0% 8 mph NNW 57%
5 PM 8° Partly Cloudy 0% 6 mph NNW 62%
6 PM 7° Mostly Clear 0% 5 mph NNW 68%
7 PM 6° Clear 0% 4 mph NNW 74%
8 PM 4° Clear 0% 4 mph NNW 78%
9 PM 4° Clear 0% 4 mph NNW 82%
10 PM 3° Clear 0% 4 mph NNW 84%
11 PM 3° Clear 0% 4 mph NNW 86%
12 AM 2° Clear 0% 3 mph NNW 88%
1 AM 2° Clear 0% 2 mph NNW 88%
2 AM 1° Mostly Clear 0% 2 mph NW 90%
3 AM 1° Clear 0% 2 mph NW 90%
4 AM 0° Mostly Clear 0% 2 mph NW 90%
5 AM -1° Mostly Clear 0% 2 mph NW 91%
6 AM -1° Partly Cloudy 0% 2 mph NW 91%
7 AM 1° Partly Cloudy 0% 2 mph NW 88%
8 AM 2° Partly Cloudy 0% 3 mph NW 80%
9 AM 3° Partly Cloudy 0% 3 mph NNW 70%
10 AM 5° Partly Cloudy 0% 4 mph NW 63%
11 AM 6° Partly Cloudy 0% 4 mph NW 59%
12 PM 8° Mostly Cloudy 0% 4 mph NW 56%
15-Day Forecast
Today
11/6
Partly Cloudy
0%
-1°
11°
Sat
11/7
Partly Cloudy
0%
-1°
11°
Sun
11/8
Mostly Clear
3%
3°
17°
Mon
11/9
Mostly Clear
3%
7°
18°
Tue
11/10
Clear
3%
7°
17°
Wed
11/11
Mostly Clear
42%
6°
14°
Thu
11/12
Overcast
40%
2°
9°
Fri
11/13
Overcast
11%
0°
7°
Sat
11/14
Partly Cloudy
25%
-3°
8°
Sun
11/15
Mostly Cloudy
52%
-3°
11°
Mon
11/16
Overcast
84%
3°
13°
Tue
11/17
Drizzle
79%
8°
13°
Wed
11/18
Drizzle
83%
7°
13°
Thu
11/19
Drizzle
70%
6°
12°
Fri
11/20
Drizzle
72%
6°
11°
25
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
12 AQI 2.2 µg/m³
O3
Ground-level ozone
Dominant
25 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 25 Good 25 12
Sun 23 Good 21 23
Mon 49 Good 25 49
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
SBCAPE41 J/kg
MLCAPE8 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-3 J/kg
Lifted Index15.4
Kinematics
0–6 km Shear19 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH23
0–3 km SRH37
Eff. SRH—
Storm Motion350° @ 31 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-18.7
Thermo & Levels
PWAT0.35 in
0–3 km LR2.6 °C/km
700–500 LR7.5 °C/km
Total Totals29.3
LCL891 hPa
LFC1000 hPa
EL871 hPa
Freezing Lvl2,887 ft