Heat Advisory — Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Marion, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Audrain, MO, Lincoln, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 8:00 PM

Adams County, Illinois, United States

Last updated: 5:10 AM CDT  ·  Refresh
25°C
Feels like 26°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
8 mph SSW
Humidity
77%
Dew Point
21°
Pressure
29.18 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
23%
Sunrise
6:12 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Adams County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3595 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 8:06PM.

Alerts

Heat Advisory
Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Marion, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Audrain, MO, Lincoln, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 8:00 PM
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
9%
6 AM
24°
25%
7 AM
24°
23%
8 AM
26°
27%
9 AM
27°
31%
10 AM
28°
35%
11 AM
29°
35%
12 PM
31°
24%
1 PM
32°
4%
2 PM
33°
6%
3 PM
34°
9%
4 PM
34°
17%
5 PM
34°
17%
6 PM
34°
16%
7 PM
33°
16%
8 PM
31°
16%
9 PM
29°
17%
10 PM
28°
8%
11 PM
27°
11%
12 AM
26°
11%
1 AM
26°
12%
2 AM
26°
17%
3 AM
26°
18%
4 AM
25°
37%
7-Day Forecast
Today
35° 23°
Partly Cloudy with a 35% chance of rain.
Wed
33° 23°
Partly Cloudy with a 64% chance of rain.
Thu
32° 22°
Partly Cloudy with a 86% chance of rain.
Fri
31° 20°
Overcast with a 77% chance of rain.
Sat
37° 23°
Clear.
Sun
33° 19°
Drizzle, 53% chance.
Mon
31° 18°
Clear with a 49% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 9% 8 mph SSW 77%
6 AM 24° Partly Cloudy 25% 9 mph SSW 73%
7 AM 24° Partly Cloudy 23% 9 mph SSW 72%
8 AM 26° Mostly Cloudy 27% 11 mph SW 67%
9 AM 27° Partly Cloudy 31% 13 mph SW 63%
10 AM 28° Partly Cloudy 35% 13 mph WSW 60%
11 AM 29° Partly Cloudy 35% 14 mph SW 57%
12 PM 31° Partly Cloudy 24% 15 mph SW 53%
1 PM 32° Partly Cloudy 4% 15 mph SW 50%
2 PM 33° Partly Cloudy 6% 15 mph SW 49%
3 PM 34° Partly Cloudy 9% 15 mph SW 48%
4 PM 34° Partly Cloudy 17% 14 mph SW 48%
5 PM 34° Mostly Cloudy 17% 12 mph SW 51%
6 PM 34° Mostly Cloudy 16% 10 mph SW 54%
7 PM 33° Mostly Cloudy 16% 8 mph SW 59%
8 PM 31° Partly Cloudy 16% 6 mph SSW 66%
9 PM 29° Partly Cloudy 17% 6 mph SSW 72%
10 PM 28° Partly Cloudy 8% 6 mph S 78%
11 PM 27° Partly Cloudy 11% 5 mph S 80%
12 AM 26° Partly Cloudy 11% 6 mph S 82%
1 AM 26° Partly Cloudy 12% 6 mph SSE 83%
2 AM 26° Partly Cloudy 17% 6 mph S 83%
3 AM 26° Partly Cloudy 18% 5 mph S 83%
4 AM 25° Mostly Clear 37% 5 mph S 83%
15-Day Forecast
Today
8/11
Partly Cloudy
35%
23°
35°
Wed
8/12
Partly Cloudy
64%
23°
33°
Thu
8/13
Partly Cloudy
86%
22°
32°
Fri
8/14
Overcast
77%
20°
31°
Sat
8/15
Clear
17%
23°
37°
Sun
8/16
Drizzle
53%
19°
33°
Mon
8/17
Clear
49%
18°
31°
Tue
8/18
Clear
34%
19°
36°
Wed
8/19
Mostly Cloudy
35%
21°
37°
Thu
8/20
Mostly Clear
35%
22°
41°
Fri
8/21
Drizzle
60%
19°
41°
Sat
8/22
Drizzle
60%
19°
34°
Sun
8/23
Drizzle
60%
19°
33°
Mon
8/24
Drizzle
60%
18°
32°
Tue
8/25
Drizzle
60%
18°
31°
47
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
47 AQI 8.5 µg/m³
O3
Ground-level ozone
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 32 47
Wed 34 Good 34 26
Thu 35 Good 35 34
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 Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1391 J/kg
MLCAPE1696 J/kg
MUCAPE1992 J/kg
SBCIN-557 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear17 kt
0–1 km Shear21 kt
Eff. Shear19 kt
0–1 km SRH169
0–3 km SRH163
Eff. SRH40
Storm Motion323° @ 14 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.3
Thermo & Levels
PWAT1.53 in
0–3 km LR4.3 °C/km
700–500 LR7.7 °C/km
Total Totals52.1
LCL940 hPa
LFC651 hPa
EL193 hPa
Freezing Lvl14,557 ft