Heat Advisory — Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 8:00 PM

Clay County, Illinois, United States

Last updated: 3:46 PM CDT  ·  Refresh
32°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
7 mph SSW
Humidity
63%
Dew Point
24°
Pressure
29.55 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
50%
Sunrise
6:07 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clay County is currently partly cloudy at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2701 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 7:48PM.

Alerts

Heat Advisory
Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 8:00 PM
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
5%
4 PM
32°
5%
5 PM
33°
5%
6 PM
32°
8%
7 PM
31°
8%
8 PM
29°
8%
9 PM
28°
8%
10 PM
27°
8%
11 PM
27°
8%
12 AM
26°
8%
1 AM
26°
23%
2 AM
26°
9%
3 AM
26°
9%
4 AM
26°
12%
5 AM
25°
13%
6 AM
25°
19%
7 AM
26°
13%
8 AM
26°
24%
9 AM
24°
24%
10 AM
26°
24%
11 AM
27°
14%
12 PM
27°
14%
1 PM
30°
18%
2 PM
31°
28%
7-Day Forecast
Today
33° 24°
Mostly Clear.
Sun
32° 23°
Mostly Cloudy with a 60% chance of rain.
Mon
29° 19°
Partly Cloudy with a 63% chance of rain.
Tue
29° 16°
Partly Cloudy with a 52% chance of rain.
Wed
31° 19°
Drizzle, 60% chance.
Thu
27° 18°
Clear with a 60% chance of rain.
Fri
28° 17°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 5% 7 mph SSW 63%
4 PM 32° Partly Cloudy 5% 8 mph SW 64%
5 PM 33° Partly Cloudy 5% 7 mph SW 67%
6 PM 32° Clear 8% 5 mph SW 72%
7 PM 31° Clear 8% 4 mph SSW 74%
8 PM 29° Clear 8% 4 mph SSW 75%
9 PM 28° Clear 8% 4 mph S 76%
10 PM 27° Clear 8% 5 mph S 77%
11 PM 27° Clear 8% 6 mph S 78%
12 AM 26° Mostly Clear 8% 6 mph SSW 77%
1 AM 26° Partly Cloudy 23% 7 mph SSW 76%
2 AM 26° Mostly Clear 9% 7 mph SSW 75%
3 AM 26° Partly Cloudy 9% 7 mph SW 75%
4 AM 26° Partly Cloudy 12% 7 mph SW 76%
5 AM 25° Mostly Cloudy 13% 7 mph WSW 76%
6 AM 25° Overcast 19% 8 mph WSW 76%
7 AM 26° Overcast 13% 8 mph W 77%
8 AM 26° Overcast 24% 9 mph WNW 78%
9 AM 24° Rain 24% 10 mph NW 80%
10 AM 26° Overcast 24% 9 mph WNW 79%
11 AM 27° Mostly Cloudy 14% 8 mph W 76%
12 PM 27° Mostly Cloudy 14% 9 mph WSW 72%
1 PM 30° Mostly Cloudy 18% 9 mph WSW 71%
2 PM 31° Partly Cloudy 28% 9 mph W 70%
15-Day Forecast
Today
8/15
Mostly Clear
8%
24°
33°
Sun
8/16
Mostly Cloudy
60%
23°
32°
Mon
8/17
Partly Cloudy
63%
19°
29°
Tue
8/18
Partly Cloudy
52%
16°
29°
Wed
8/19
Drizzle
60%
19°
31°
Thu
8/20
Clear
60%
18°
27°
Fri
8/21
Clear
35%
17°
28°
Sat
8/22
Clear
60%
18°
29°
Sun
8/23
Clear
25%
18°
29°
Mon
8/24
Clear
42%
18°
31°
Tue
8/25
Drizzle
60%
19°
32°
Wed
8/26
Drizzle
60%
18°
31°
Thu
8/27
Clear
60%
18°
29°
Fri
8/28
Drizzle
60%
17°
29°
Sat
8/29
Drizzle
60%
17°
31°
49
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
49 AQI 8.8 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 49 Good 34 49
Mon 48 Good 31 48
Tue 46 Good 35 46
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 Sat Aug 15, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3402 J/kg
MLCAPE1338 J/kg
MUCAPE3402 J/kg
SBCIN-35 J/kg
MLCIN-119 J/kg
Lifted Index-7.6
Kinematics
0–6 km Shear19 kt
0–1 km Shear14 kt
Eff. Shear22 kt
0–1 km SRH78
0–3 km SRH114
Eff. SRH114
Storm Motion338° @ 13 kt
0–1 km EHI1.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell4.3
K-Index35.8
Thermo & Levels
PWAT2.00 in
0–3 km LR7.1 °C/km
700–500 LR6.0 °C/km
Total Totals46.4
LCL891 hPa
LFC818 hPa
EL136 hPa
Freezing Lvl15,768 ft