Heat Advisory — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, 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

White County, Illinois, United States

Last updated: 8:06 AM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
10 mph SSW
Humidity
83%
Dew Point
22°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
5.3
Cloud Cover
17%
Sunrise
6:03 AM
Sunset
7:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: White County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3887 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 7:51PM.

Alerts

Heat Advisory
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, 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
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
15%
9 AM
27°
23%
10 AM
28°
23%
11 AM
30°
23%
12 PM
31°
21%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
33°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
13%
11 PM
28°
13%
12 AM
27°
13%
1 AM
27°
13%
2 AM
26°
14%
3 AM
26°
16%
4 AM
26°
7%
5 AM
25°
7%
6 AM
24°
7%
7 AM
24°
7%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 23% chance of rain.
Tue
36° 24°
Partly Cloudy with a 31% chance of rain.
Wed
38° 24°
Partly Cloudy with a 74% chance of rain.
Thu
34° 23°
Partly Cloudy with a 81% chance of rain.
Fri
31° 22°
Drizzle, 73% chance.
Sat
34° 22°
Drizzle, 48% chance.
Sun
35° 23°
Clear with a 39% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 15% 10 mph SSW 83%
9 AM 27° Mostly Clear 23% 12 mph SW 76%
10 AM 28° Partly Cloudy 23% 13 mph SW 71%
11 AM 30° Partly Cloudy 23% 13 mph SW 66%
12 PM 31° Partly Cloudy 21% 13 mph SW 61%
1 PM 33° Partly Cloudy 3% 13 mph SW 58%
2 PM 34° Partly Cloudy 3% 13 mph SW 57%
3 PM 34° Mostly Clear 3% 13 mph SW 56%
4 PM 33° Partly Cloudy 3% 12 mph SW 57%
5 PM 34° Partly Cloudy 3% 10 mph SW 61%
6 PM 33° Partly Cloudy 3% 9 mph SSW 67%
7 PM 32° Mostly Clear 3% 8 mph SSW 72%
8 PM 31° Mostly Clear 3% 8 mph SSW 74%
9 PM 29° Mostly Clear 3% 8 mph SSW 76%
10 PM 28° Mostly Clear 13% 8 mph SSW 78%
11 PM 28° Partly Cloudy 13% 8 mph SSW 77%
12 AM 27° Partly Cloudy 13% 9 mph SSW 76%
1 AM 27° Mostly Cloudy 13% 10 mph SSW 76%
2 AM 26° Mostly Cloudy 14% 10 mph SSW 76%
3 AM 26° Mostly Cloudy 16% 10 mph SSW 76%
4 AM 26° Mostly Cloudy 7% 10 mph SW 76%
5 AM 25° Partly Cloudy 7% 10 mph SW 79%
6 AM 24° Partly Cloudy 7% 10 mph SW 81%
7 AM 24° Mostly Clear 7% 11 mph SW 82%
15-Day Forecast
Today
8/10
Mostly Clear
23%
23°
34°
Tue
8/11
Partly Cloudy
31%
24°
36°
Wed
8/12
Partly Cloudy
74%
24°
38°
Thu
8/13
Partly Cloudy
81%
23°
34°
Fri
8/14
Drizzle
73%
22°
31°
Sat
8/15
Drizzle
48%
22°
34°
Sun
8/16
Clear
39%
23°
35°
Mon
8/17
Partly Cloudy
38%
21°
31°
Tue
8/18
Rain
53%
19°
32°
Wed
8/19
Thunderstorm
45%
21°
32°
Thu
8/20
Clear
60%
22°
33°
Fri
8/21
Drizzle
60%
21°
32°
Sat
8/22
Clear
60%
20°
32°
Sun
8/23
Drizzle
60%
21°
33°
Mon
8/24
Clear
60%
20°
32°
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 8.6 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 48 Good 38 48
Wed 36 Good 36 25
Thu 37 Good 37 27
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 Mon Aug 10, 11:00'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
SBCAPE1431 J/kg
MLCAPE1482 J/kg
MUCAPE1662 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear15 kt
0–1 km Shear22 kt
Eff. Shear13 kt
0–1 km SRH166
0–3 km SRH169
Eff. SRH169
Storm Motion340° @ 8 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.4
Thermo & Levels
PWAT1.60 in
0–3 km LR4.4 °C/km
700–500 LR7.9 °C/km
Total Totals52.3
LCL958 hPa
LFC1003 hPa
EL202 hPa
Freezing Lvl14,967 ft