Macoupin County, Illinois, United States

Last updated: 11:24 AM CDT  ·  Refresh
17°C
Feels like 15°
Mostly Clear
▲ 21°  /  ▼ 7°
Wind
5 mph WNW
Humidity
51%
Dew Point
8°
Pressure
29.45 inHg
Visibility
10 mi
UV Index
6.4
Cloud Cover
13%
Sunrise
6:36 AM
Sunset
4:49 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Macoupin County is currently mostly clear at 17°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:36AM · Sunset: 4:49PM.

Alerts

No active alerts for this location.
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
0%
12 PM
19°
0%
1 PM
20°
0%
2 PM
21°
0%
3 PM
20°
0%
4 PM
20°
0%
5 PM
18°
0%
6 PM
16°
0%
7 PM
14°
0%
8 PM
12°
0%
9 PM
11°
0%
10 PM
10°
1%
11 PM
9°
1%
12 AM
9°
1%
1 AM
8°
1%
2 AM
8°
2%
3 AM
8°
2%
4 AM
7°
2%
5 AM
7°
2%
6 AM
7°
2%
7 AM
8°
2%
8 AM
10°
2%
9 AM
12°
1%
10 AM
13°
1%
7-Day Forecast
Today
21° 7°
Clear.
Wed
21° 7°
Partly Cloudy.
Thu
13° 0°
Partly Cloudy.
Fri
9° -4°
Mostly Clear.
Sat
10° -7°
Clear.
Sun
11° -4°
Partly Cloudy.
Mon
12° -2°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 17° Mostly Clear 0% 5 mph WNW 51%
12 PM 19° Clear 0% 6 mph WNW 47%
1 PM 20° Clear 0% 6 mph WNW 45%
2 PM 21° Clear 0% 5 mph WNW 42%
3 PM 20° Clear 0% 4 mph NW 42%
4 PM 20° Clear 0% 3 mph NW 46%
5 PM 18° Clear 0% 2 mph NW 51%
6 PM 16° Clear 0% 2 mph NNW 56%
7 PM 14° Clear 0% 2 mph N 61%
8 PM 12° Clear 0% 2 mph NE 65%
9 PM 11° Mostly Clear 0% 2 mph E 68%
10 PM 10° Mostly Clear 1% 2 mph ESE 71%
11 PM 9° Partly Cloudy 1% 2 mph ESE 74%
12 AM 9° Partly Cloudy 1% 3 mph SE 76%
1 AM 8° Partly Cloudy 1% 3 mph SSE 78%
2 AM 8° Partly Cloudy 2% 3 mph S 81%
3 AM 8° Partly Cloudy 2% 3 mph SSW 82%
4 AM 7° Mostly Cloudy 2% 4 mph SSW 84%
5 AM 7° Partly Cloudy 2% 4 mph SSW 86%
6 AM 7° Mostly Cloudy 2% 4 mph SSW 88%
7 AM 8° Mostly Cloudy 2% 5 mph SW 88%
8 AM 10° Partly Cloudy 2% 6 mph SW 84%
9 AM 12° Partly Cloudy 1% 7 mph SW 79%
10 AM 13° Partly Cloudy 1% 9 mph WSW 73%
15-Day Forecast
Today
11/10
Clear
1%
7°
21°
Wed
11/11
Partly Cloudy
3%
7°
21°
Thu
11/12
Partly Cloudy
0%
0°
13°
Fri
11/13
Mostly Clear
0%
-4°
9°
Sat
11/14
Clear
3%
-7°
10°
Sun
11/15
Partly Cloudy
10%
-4°
11°
Mon
11/16
Partly Cloudy
9%
-2°
12°
Tue
11/17
Mostly Clear
3%
-2°
13°
Wed
11/18
Mostly Clear
10%
-1°
15°
Thu
11/19
Partly Cloudy
17%
3°
16°
Fri
11/20
Partly Cloudy
27%
6°
17°
Sat
11/21
Drizzle
83%
6°
16°
Sun
11/22
Drizzle
67%
3°
13°
Mon
11/23
Drizzle
77%
3°
11°
Tue
11/24
Drizzle
87%
2°
11°
34
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
34 AQI 6.2 µg/m³
O3
Ground-level ozone
20 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 34 Good 20 34
Thu 39 Good 20 39
Fri 21 Good 21 15
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 Nov 10, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE17 J/kg
MLCAPE41 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index10.2
Kinematics
0–6 km Shear23 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH22
0–3 km SRH7
Eff. SRH—
Storm Motion328° @ 24 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index10.2
Thermo & Levels
PWAT0.68 in
0–3 km LR4.9 °C/km
700–500 LR5.8 °C/km
Total Totals36.2
LCL862 hPa
LFC997 hPa
EL956 hPa
Freezing Lvl11,335 ft