Excessive Heat Warning — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO 8:00 PM

Hardin County, Illinois, United States

Last updated: 12:59 PM CDT  ·  Refresh
32°C
Feels like 37°
Mostly Clear
▲ 35°  /  ▼ 24°
Wind
6 mph WSW
Humidity
59%
Dew Point
25°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
9.3
Cloud Cover
26%
Sunrise
6:08 AM
Sunset
7:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hardin County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3449 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 7:46PM.

Alerts

Excessive Heat Warning
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO
Expires 8:00 PM
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
29°
3%
9 PM
28°
3%
10 PM
27°
5%
11 PM
27°
5%
12 AM
27°
5%
1 AM
27°
5%
2 AM
26°
5%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
30°
3%
7-Day Forecast
Today
35° 24°
Mostly Clear.
Sat
37° 24°
Clear.
Sun
37° 25°
Partly Cloudy with a 60% chance of rain.
Mon
32° 23°
Partly Cloudy with a 64% chance of rain.
Tue
33° 21°
Clear.
Wed
36° 21°
Drizzle, 60% chance.
Thu
31° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 6 mph WSW 59%
1 PM 33° Mostly Clear 3% 5 mph SW 56%
2 PM 34° Clear 3% 6 mph SW 56%
3 PM 34° Clear 3% 7 mph SW 55%
4 PM 34° Clear 3% 7 mph SSW 59%
5 PM 33° Clear 3% 6 mph SSW 64%
6 PM 32° Clear 3% 4 mph SSW 70%
7 PM 31° Clear 3% 4 mph S 71%
8 PM 29° Clear 3% 4 mph S 72%
9 PM 28° Clear 3% 4 mph SSE 72%
10 PM 27° Clear 5% 4 mph SSE 73%
11 PM 27° Clear 5% 4 mph S 75%
12 AM 27° Clear 5% 4 mph S 75%
1 AM 27° Mostly Clear 5% 4 mph SSW 76%
2 AM 26° Mostly Clear 5% 5 mph SSW 76%
3 AM 26° Mostly Clear 3% 5 mph SSW 76%
4 AM 26° Mostly Clear 3% 5 mph SSW 78%
5 AM 25° Clear 3% 6 mph SSW 80%
6 AM 24° Clear 3% 6 mph SSW 82%
7 AM 26° Clear 3% 6 mph SSW 78%
8 AM 27° Clear 3% 6 mph SSW 75%
9 AM 28° Clear 3% 7 mph SSW 71%
10 AM 29° Clear 3% 6 mph SW 68%
11 AM 30° Clear 3% 6 mph SW 65%
15-Day Forecast
Today
8/14
Mostly Clear
3%
24°
35°
Sat
8/15
Clear
7%
24°
37°
Sun
8/16
Partly Cloudy
60%
25°
37°
Mon
8/17
Partly Cloudy
64%
23°
32°
Tue
8/18
Clear
19%
21°
33°
Wed
8/19
Drizzle
60%
21°
36°
Thu
8/20
Clear
19%
19°
31°
Fri
8/21
Clear
60%
17°
31°
Sat
8/22
Drizzle
60%
15°
31°
Sun
8/23
Drizzle
60%
16°
33°
Mon
8/24
Drizzle
42%
18°
33°
Tue
8/25
Drizzle
60%
20°
32°
Wed
8/26
Drizzle
60%
20°
32°
Thu
8/27
Drizzle
60%
19°
32°
Fri
8/28
Drizzle
60%
19°
32°
37
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
37 AQI 6.7 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 37 Good 35 37
Sun 51 Moderate 34 51
Mon 44 Good 32 44
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 Fri Aug 14, 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
SBCAPE3963 J/kg
MLCAPE2441 J/kg
MUCAPE3963 J/kg
SBCIN-8 J/kg
MLCIN-31 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear16 kt
0–1 km Shear8 kt
Eff. Shear10 kt
0–1 km SRH25
0–3 km SRH11
Eff. SRH11
Storm Motion321° @ 14 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT2.13 in
0–3 km LR7.5 °C/km
700–500 LR5.2 °C/km
Total Totals44.3
LCL898 hPa
LFC869 hPa
EL129 hPa
Freezing Lvl16,421 ft