Greene County, Illinois, United States

Last updated: 12:34 PM CDT  ·  Refresh
29°C
Feels like 33°
Overcast
▲ 31°  /  ▼ 21°
Wind
7 mph WSW
Humidity
68%
Dew Point
22°
Pressure
29.34 inHg
Visibility
10 mi
UV Index
5.2
Cloud Cover
85%
Sunrise
5:43 AM
Sunset
8:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Greene County is currently overcast at 30°C. Precipitation is likely — peak probability 63% around 3 PM. Atmospheric instability is elevated (CAPE up to 1766 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:30PM.

Alerts

No active alerts for this location.
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
17%
1 PM
31°
41%
2 PM
29°
61%
3 PM
27°
62%
4 PM
28°
30%
5 PM
30°
27%
6 PM
30°
27%
7 PM
29°
34%
8 PM
28°
35%
9 PM
26°
35%
10 PM
25°
36%
11 PM
24°
44%
12 AM
24°
45%
1 AM
23°
45%
2 AM
23°
35%
3 AM
22°
33%
4 AM
22°
37%
5 AM
21°
37%
6 AM
21°
30%
7 AM
23°
30%
8 AM
23°
30%
9 AM
26°
31%
10 AM
27°
31%
11 AM
27°
32%
7-Day Forecast
Today
31° 21°
Mostly Cloudy with a 62% chance of rain.
Fri
33° 21°
Mostly Cloudy with a 72% chance of rain.
Sat
29° 21°
Partly Cloudy with a 80% chance of rain.
Sun
30° 18°
Fog with a 30% chance of rain.
Mon
29° 18°
Clear.
Tue
31° 21°
Clear.
Wed
32° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Overcast 17% 7 mph WSW 68%
1 PM 31° Overcast 41% 7 mph WSW 66%
2 PM 29° Overcast 61% 8 mph WSW 71%
3 PM 27° Overcast 62% 8 mph SW 74%
4 PM 28° Mostly Cloudy 30% 7 mph SW 72%
5 PM 30° Mostly Cloudy 27% 6 mph WSW 72%
6 PM 30° Partly Cloudy 27% 5 mph WSW 74%
7 PM 29° Mostly Clear 34% 4 mph SW 77%
8 PM 28° Partly Cloudy 35% 3 mph S 80%
9 PM 26° Mostly Cloudy 35% 4 mph SE 84%
10 PM 25° Partly Cloudy 36% 5 mph SSE 88%
11 PM 24° Mostly Cloudy 44% 5 mph SSE 91%
12 AM 24° Mostly Cloudy 45% 5 mph SSE 94%
1 AM 23° Mostly Cloudy 45% 5 mph S 96%
2 AM 23° Mostly Cloudy 35% 5 mph S 97%
3 AM 22° Mostly Cloudy 33% 4 mph S 97%
4 AM 22° Mostly Cloudy 37% 3 mph S 98%
5 AM 21° Mostly Cloudy 37% 2 mph S 98%
6 AM 21° Mostly Cloudy 30% 2 mph SSW 98%
7 AM 23° Mostly Cloudy 30% 2 mph SW 95%
8 AM 23° Mostly Cloudy 30% 2 mph WSW 91%
9 AM 26° Partly Cloudy 31% 2 mph WSW 87%
10 AM 27° Mostly Cloudy 31% 2 mph WSW 84%
11 AM 27° Mostly Cloudy 32% 2 mph NNW 82%
15-Day Forecast
Today
7/9
Mostly Cloudy
62%
21°
31°
Fri
7/10
Mostly Cloudy
72%
21°
33°
Sat
7/11
Partly Cloudy
80%
21°
29°
Sun
7/12
Fog
30%
18°
30°
Mon
7/13
Clear
19%
18°
29°
Tue
7/14
Clear
19%
21°
31°
Wed
7/15
Clear
19%
22°
32°
Thu
7/16
Thunderstorm
60%
22°
33°
Fri
7/17
Drizzle
60%
21°
32°
Sat
7/18
Drizzle
60%
23°
33°
Sun
7/19
Drizzle
60%
19°
33°
Mon
7/20
Drizzle
60%
21°
31°
Tue
7/21
Drizzle
60%
21°
32°
Wed
7/22
Drizzle
60%
21°
33°
Thu
7/23
Drizzle
60%
22°
33°
43
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
43 AQI 7.9 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 43 Good 35 43
Sat 35 Good 35 23
Sun 39 Good 39 27
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 Thu Jul 9, 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
SBCAPE1987 J/kg
MLCAPE930 J/kg
MUCAPE1987 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear15 kt
0–1 km Shear2 kt
Eff. Shear14 kt
0–1 km SRH-12
0–3 km SRH-28
Eff. SRH-28
Storm Motion203° @ 22 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.9
Thermo & Levels
PWAT1.75 in
0–3 km LR7.1 °C/km
700–500 LR5.9 °C/km
Total Totals45.1
LCL891 hPa
LFC994 hPa
EL204 hPa
Freezing Lvl13,461 ft