Heat Advisory — Fulton, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Coles, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 8:00 PM

Clay County, Illinois, United States

Last updated: 5:11 AM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Clear
▲ 34°  /  ▼ 24°
Wind
8 mph SSW
Humidity
84%
Dew Point
22°
Pressure
29.48 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
6:04 AM
Sunset
7:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clay County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3743 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 7:53PM.

Alerts

Heat Advisory
Fulton, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Coles, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 8:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
13%
6 AM
24°
28%
7 AM
24°
28%
8 AM
26°
25%
9 AM
27°
27%
10 AM
28°
27%
11 AM
30°
27%
12 PM
31°
29%
1 PM
33°
13%
2 PM
33°
22%
3 PM
33°
23%
4 PM
33°
30%
5 PM
33°
33%
6 PM
32°
32%
7 PM
32°
32%
8 PM
31°
30%
9 PM
29°
31%
10 PM
28°
31%
11 PM
28°
24%
12 AM
27°
23%
1 AM
27°
23%
2 AM
27°
25%
3 AM
26°
16%
4 AM
25°
28%
7-Day Forecast
Today
34° 24°
Mostly Clear with a 33% chance of rain.
Wed
34° 24°
Rain, 71% chance.
Thu
33° 23°
Mostly Cloudy with a 51% chance of rain.
Fri
31° 22°
Mostly Clear with a 60% chance of rain.
Sat
32° 21°
Mostly Clear.
Sun
33° 22°
Drizzle, 47% chance.
Mon
29° 20°
Mostly Cloudy with a 47% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 13% 8 mph SSW 84%
6 AM 24° Partly Cloudy 28% 9 mph SW 82%
7 AM 24° Partly Cloudy 28% 10 mph SW 83%
8 AM 26° Partly Cloudy 25% 11 mph SW 79%
9 AM 27° Partly Cloudy 27% 11 mph SW 75%
10 AM 28° Partly Cloudy 27% 11 mph SW 73%
11 AM 30° Partly Cloudy 27% 12 mph SW 70%
12 PM 31° Partly Cloudy 29% 12 mph WSW 66%
1 PM 33° Mostly Clear 13% 13 mph WSW 63%
2 PM 33° Mostly Clear 22% 12 mph SW 62%
3 PM 33° Mostly Clear 23% 12 mph SW 60%
4 PM 33° Mostly Clear 30% 11 mph SW 60%
5 PM 33° Mostly Clear 33% 10 mph SW 63%
6 PM 32° Mostly Clear 32% 8 mph SW 67%
7 PM 32° Mostly Clear 32% 6 mph SSW 70%
8 PM 31° Mostly Clear 30% 7 mph SSW 70%
9 PM 29° Mostly Clear 31% 8 mph SSW 70%
10 PM 28° Mostly Clear 31% 8 mph SSW 70%
11 PM 28° Mostly Clear 24% 8 mph SSW 73%
12 AM 27° Mostly Clear 23% 8 mph SW 76%
1 AM 27° Mostly Clear 23% 8 mph SW 78%
2 AM 27° Mostly Clear 25% 7 mph SW 80%
3 AM 26° Mostly Clear 16% 7 mph SSW 81%
4 AM 25° Mostly Clear 28% 6 mph SSW 83%
15-Day Forecast
Today
8/11
Mostly Clear
33%
24°
34°
Wed
8/12
Rain
71%
24°
34°
Thu
8/13
Mostly Cloudy
51%
23°
33°
Fri
8/14
Mostly Clear
60%
22°
31°
Sat
8/15
Mostly Clear
15%
21°
32°
Sun
8/16
Drizzle
47%
22°
33°
Mon
8/17
Mostly Cloudy
47%
20°
29°
Tue
8/18
Clear
34%
19°
31°
Wed
8/19
Mostly Clear
35%
22°
33°
Thu
8/20
Clear
35%
22°
33°
Fri
8/21
Drizzle
60%
19°
33°
Sat
8/22
Drizzle
60%
20°
31°
Sun
8/23
Clear
60%
19°
31°
Mon
8/24
Drizzle
60%
19°
30°
Tue
8/25
Drizzle
60%
18°
30°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 34 48
Wed 33 Good 33 23
Thu 38 Good 38 23
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1846 J/kg
MLCAPE1719 J/kg
MUCAPE2270 J/kg
SBCIN-422 J/kg
MLCIN0 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear17 kt
0–1 km Shear19 kt
Eff. Shear8 kt
0–1 km SRH117
0–3 km SRH108
Eff. SRH6
Storm Motion326° @ 16 kt
0–1 km EHI1.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.1
Thermo & Levels
PWAT1.62 in
0–3 km LR4.1 °C/km
700–500 LR7.8 °C/km
Total Totals50.9
LCL962 hPa
LFC672 hPa
EL173 hPa
Freezing Lvl14,495 ft