Macon County, Illinois, United States

Last updated: 12:04 AM CDT  ·  Refresh
27°C
Feels like 27°
Clear
▲ 32°  /  ▼ 20°
Wind
9 mph SSW
Humidity
64%
Dew Point
19°
Pressure
29.26 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:23 AM
Sunset
7:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Macon County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1771 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 7:26PM.

Alerts

No active alerts for this location.
62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
36°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
36°
3%
7 PM
35°
3%
8 PM
34°
3%
9 PM
31°
3%
10 PM
30°
3%
11 PM
28°
3%
7-Day Forecast
Today
32° 20°
Clear.
Tue
37° 22°
Clear.
Wed
39° 22°
Clear.
Thu
39° 22°
Mostly Clear.
Fri
39° 22°
Clear.
Sat
39° 23°
Clear.
Sun
37° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 9 mph SSW 64%
1 AM 26° Clear 3% 9 mph SSW 60%
2 AM 26° Clear 3% 9 mph SSW 62%
3 AM 25° Clear 3% 8 mph SSW 65%
4 AM 24° Clear 3% 8 mph SSW 67%
5 AM 23° Clear 3% 8 mph SSW 69%
6 AM 23° Clear 3% 8 mph SW 71%
7 AM 23° Clear 3% 7 mph SW 72%
8 AM 25° Clear 3% 8 mph SW 66%
9 AM 27° Clear 3% 9 mph WSW 60%
10 AM 29° Clear 3% 9 mph WSW 54%
11 AM 32° Clear 3% 9 mph WSW 50%
12 PM 33° Clear 3% 9 mph WSW 46%
1 PM 36° Clear 3% 8 mph WSW 41%
2 PM 37° Clear 3% 8 mph WSW 39%
3 PM 37° Clear 3% 7 mph WSW 38%
4 PM 37° Clear 3% 6 mph WSW 37%
5 PM 37° Clear 3% 6 mph SW 41%
6 PM 36° Clear 3% 6 mph SW 46%
7 PM 35° Clear 3% 6 mph SSW 49%
8 PM 34° Clear 3% 6 mph SSW 52%
9 PM 31° Clear 3% 6 mph SSW 56%
10 PM 30° Clear 3% 7 mph SSW 59%
11 PM 28° Clear 3% 7 mph S 60%
15-Day Forecast
Today
8/31
Clear
3%
20°
32°
Tue
9/1
Clear
3%
22°
37°
Wed
9/2
Clear
7%
22°
39°
Thu
9/3
Mostly Clear
16%
22°
39°
Fri
9/4
Clear
19%
22°
39°
Sat
9/5
Clear
19%
23°
39°
Sun
9/6
Clear
19%
20°
37°
Mon
9/7
Clear
19%
17°
36°
Tue
9/8
Drizzle
60%
19°
38°
Wed
9/9
Drizzle
60%
19°
38°
Thu
9/10
Drizzle
60%
17°
35°
Fri
9/11
Drizzle
60%
19°
34°
Sat
9/12
Drizzle
60%
17°
32°
Sun
9/13
Drizzle
60%
17°
31°
Mon
9/14
Drizzle
60%
17°
31°
62
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
62 AQI 15.1 µg/m³
O3
Ground-level ozone
54 AQI 57 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 62 Moderate 54 62
Wed 62 Moderate 48 62
Thu 54 Moderate 45 54
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 Sep 1, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3 J/kg
MLCAPE103 J/kg
MUCAPE532 J/kg
SBCIN-814 J/kg
MLCIN-456 J/kg
Lifted Index0.1
Kinematics
0–6 km Shear20 kt
0–1 km Shear14 kt
Eff. Shear—
0–1 km SRH111
0–3 km SRH109
Eff. SRH—
Storm Motion333° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index31.4
Thermo & Levels
PWAT1.52 in
0–3 km LR4.6 °C/km
700–500 LR6.8 °C/km
Total Totals44.7
LCL885 hPa
LFC540 hPa
EL507 hPa
Freezing Lvl15,643 ft