Excessive Heat 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, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Warren, MO, Franklin, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 9:00 PM Excessive Heat Watch 7:00 PM

Adams County, Illinois, United States

Last updated: 10:18 AM CDT  ·  Refresh
31°C
Feels like 38°
Partly Cloudy
▲ 37°  /  ▼ 24°
Wind
4 mph WSW
Humidity
76%
Dew Point
27°
Pressure
29.17 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
55%
Sunrise
5:58 AM
Sunset
8:24 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Adams County is currently partly cloudy at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4350 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:24PM.

Alerts

Excessive Heat 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, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Warren, MO, Franklin, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 9:00 PM
Excessive Heat Watch
Expires 7:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
16%
11 AM
32°
34%
12 PM
34°
34%
1 PM
36°
38%
2 PM
37°
44%
3 PM
37°
43%
4 PM
37°
43%
5 PM
36°
43%
6 PM
34°
37%
7 PM
33°
21%
8 PM
31°
21%
9 PM
30°
22%
10 PM
29°
13%
11 PM
29°
14%
12 AM
28°
5%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
6%
8 AM
26°
11%
9 AM
29°
11%
7-Day Forecast
Today
37° 24°
Partly Cloudy with a 43% chance of rain.
Mon
39° 24°
Mostly Clear with a 39% chance of rain.
Tue
33° 22°
Mostly Cloudy.
Wed
31° 19°
Clear with a 36% chance of rain.
Thu
33° 19°
Rain, 71% chance.
Fri
29° 21°
Rain, 64% chance.
Sat
31° 19°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 16% 4 mph WSW 76%
11 AM 32° Partly Cloudy 34% 6 mph WSW 68%
12 PM 34° Mostly Clear 34% 8 mph WSW 60%
1 PM 36° Mostly Clear 38% 8 mph WSW 54%
2 PM 37° Partly Cloudy 44% 8 mph WSW 52%
3 PM 37° Mostly Clear 43% 8 mph WSW 50%
4 PM 37° Partly Cloudy 43% 8 mph WSW 50%
5 PM 36° Partly Cloudy 43% 8 mph W 53%
6 PM 34° Partly Cloudy 37% 9 mph W 57%
7 PM 33° Mostly Cloudy 21% 8 mph WNW 60%
8 PM 31° Partly Cloudy 21% 5 mph W 62%
9 PM 30° Partly Cloudy 22% 5 mph SSW 63%
10 PM 29° Partly Cloudy 13% 6 mph SSW 64%
11 PM 29° Partly Cloudy 14% 6 mph SSW 65%
12 AM 28° Partly Cloudy 5% 6 mph S 67%
1 AM 27° Partly Cloudy 3% 6 mph S 69%
2 AM 26° Partly Cloudy 3% 6 mph SSW 72%
3 AM 26° Partly Cloudy 3% 7 mph SSW 75%
4 AM 26° Partly Cloudy 3% 7 mph SSW 78%
5 AM 24° Partly Cloudy 3% 6 mph S 80%
6 AM 24° Partly Cloudy 3% 6 mph S 82%
7 AM 25° Partly Cloudy 6% 6 mph S 81%
8 AM 26° Partly Cloudy 11% 7 mph S 77%
9 AM 29° Partly Cloudy 11% 8 mph SSW 72%
15-Day Forecast
Today
7/26
Partly Cloudy
43%
24°
37°
Mon
7/27
Mostly Clear
39%
24°
39°
Tue
7/28
Mostly Cloudy
18%
22°
33°
Wed
7/29
Clear
36%
19°
31°
Thu
7/30
Rain
71%
19°
33°
Fri
7/31
Rain
64%
21°
29°
Sat
8/1
Clear
30%
19°
31°
Sun
8/2
Drizzle
42%
20°
32°
Mon
8/3
Drizzle
44%
20°
34°
Tue
8/4
Rain
64%
22°
37°
Wed
8/5
Drizzle
64%
22°
35°
Thu
8/6
Drizzle
60%
21°
33°
Fri
8/7
Drizzle
60%
20°
33°
Sat
8/8
Drizzle
60%
21°
34°
Sun
8/9
Drizzle
60%
22°
34°
53
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 53 Moderate 42 53
Tue 49 Good 37 49
Wed 50 Good 40 50
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 Sun Jul 26, 14:00'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
SBCAPE5341 J/kg
MLCAPE3801 J/kg
MUCAPE5341 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-10.2
Kinematics
0–6 km Shear27 kt
0–1 km Shear9 kt
Eff. Shear36 kt
0–1 km SRH-18
0–3 km SRH-82
Eff. SRH-82
Storm Motion263° @ 19 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.9
Thermo & Levels
PWAT1.77 in
0–3 km LR5.9 °C/km
700–500 LR6.8 °C/km
Total Totals47.5
LCL936 hPa
LFC988 hPa
EL129 hPa
Freezing Lvl15,984 ft