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

Posey County, Indiana, United States

Last updated: 8:07 AM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
9 mph SSW
Humidity
85%
Dew Point
22°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
5.4
Cloud Cover
10%
Sunrise
6:02 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Posey County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4073 J/kg) — isolated convective development possible. Sunrise: 6:02AM · Sunset: 7:50PM.

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
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
17%
9 AM
27°
25%
10 AM
28°
25%
11 AM
29°
23%
12 PM
31°
23%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
33°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
13%
11 PM
27°
13%
12 AM
27°
13%
1 AM
26°
13%
2 AM
26°
14%
3 AM
26°
21%
4 AM
26°
12%
5 AM
24°
12%
6 AM
24°
13%
7 AM
24°
14%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 23% chance of rain.
Tue
36° 24°
Partly Cloudy with a 44% chance of rain.
Wed
37° 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, 59% chance.
Sun
34° 23°
Clear with a 37% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 17% 9 mph SSW 85%
9 AM 27° Clear 25% 11 mph SW 78%
10 AM 28° Clear 25% 12 mph SW 74%
11 AM 29° Mostly Clear 23% 12 mph SW 69%
12 PM 31° Clear 23% 13 mph SW 65%
1 PM 33° Partly Cloudy 3% 13 mph SW 61%
2 PM 33° Mostly Clear 3% 13 mph SW 61%
3 PM 33° Partly Cloudy 3% 12 mph SW 60%
4 PM 33° Partly Cloudy 3% 12 mph SW 61%
5 PM 33° Partly Cloudy 3% 10 mph SW 65%
6 PM 33° Partly Cloudy 3% 9 mph SW 70%
7 PM 32° Partly Cloudy 3% 8 mph SSW 74%
8 PM 31° Partly Cloudy 3% 7 mph SSW 76%
9 PM 29° Partly Cloudy 3% 7 mph SSW 77%
10 PM 28° Mostly Clear 13% 8 mph SSW 78%
11 PM 27° Mostly Clear 13% 8 mph SSW 80%
12 AM 27° Mostly Clear 13% 9 mph SSW 81%
1 AM 26° Partly Cloudy 13% 9 mph SSW 81%
2 AM 26° Partly Cloudy 14% 9 mph SSW 82%
3 AM 26° Partly Cloudy 21% 9 mph SSW 83%
4 AM 26° Partly Cloudy 12% 9 mph SSW 83%
5 AM 24° Mostly Clear 12% 9 mph SSW 84%
6 AM 24° Mostly Clear 13% 9 mph SSW 86%
7 AM 24° Mostly Clear 14% 10 mph SSW 86%
15-Day Forecast
Today
8/10
Mostly Clear
23%
23°
34°
Tue
8/11
Partly Cloudy
44%
24°
36°
Wed
8/12
Partly Cloudy
74%
24°
37°
Thu
8/13
Partly Cloudy
81%
23°
34°
Fri
8/14
Drizzle
73%
22°
31°
Sat
8/15
Drizzle
59%
22°
34°
Sun
8/16
Clear
37%
23°
34°
Mon
8/17
Rain
59%
21°
31°
Tue
8/18
Mostly Clear
35%
19°
32°
Wed
8/19
Thunderstorm
45%
22°
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°
31°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 42 Good 40 42
Wed 36 Good 36 22
Thu 36 Good 36 24
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
SBCAPE1421 J/kg
MLCAPE1457 J/kg
MUCAPE1574 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear15 kt
0–1 km Shear20 kt
Eff. Shear14 kt
0–1 km SRH151
0–3 km SRH161
Eff. SRH161
Storm Motion339° @ 10 kt
0–1 km EHI1.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.4
Thermo & Levels
PWAT1.61 in
0–3 km LR4.3 °C/km
700–500 LR7.9 °C/km
Total Totals52.0
LCL964 hPa
LFC1003 hPa
EL202 hPa
Freezing Lvl14,961 ft