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: 9:16 AM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 34°  /  ▼ 23°
Wind
11 mph SW
Humidity
80%
Dew Point
23°
Pressure
29.63 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
4%
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 clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4237 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
27°
3%
10 AM
28°
21%
11 AM
29°
21%
12 PM
31°
21%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
31°
3%
9 PM
28°
5%
10 PM
28°
14%
11 PM
27°
14%
12 AM
27°
14%
1 AM
26°
14%
2 AM
26°
20%
3 AM
25°
21%
4 AM
25°
11%
5 AM
24°
11%
6 AM
24°
11%
7 AM
24°
12%
8 AM
25°
12%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 21% chance of rain.
Tue
36° 24°
Mostly Clear with a 49% chance of rain.
Wed
37° 23°
Partly Cloudy with a 72% chance of rain.
Thu
33° 23°
Partly Cloudy with a 82% chance of rain.
Fri
30° 22°
Drizzle, 68% chance.
Sat
33° 21°
Drizzle, 64% chance.
Sun
35° 24°
Clear with a 63% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 11 mph SW 80%
10 AM 28° Clear 21% 12 mph SW 74%
11 AM 29° Clear 21% 12 mph SW 70%
12 PM 31° Mostly Clear 21% 12 mph SW 65%
1 PM 33° Mostly Clear 3% 13 mph SW 63%
2 PM 33° Partly Cloudy 3% 13 mph SW 63%
3 PM 33° Mostly Clear 3% 13 mph SSW 63%
4 PM 33° Mostly Clear 3% 13 mph SSW 64%
5 PM 33° Partly Cloudy 3% 12 mph SSW 68%
6 PM 32° Partly Cloudy 3% 9 mph SSW 72%
7 PM 31° Partly Cloudy 3% 8 mph SSW 76%
8 PM 31° Mostly Clear 3% 8 mph SSW 78%
9 PM 28° Mostly Clear 5% 7 mph SSW 79%
10 PM 28° Clear 14% 8 mph SSW 80%
11 PM 27° Mostly Clear 14% 8 mph SSW 81%
12 AM 27° Mostly Clear 14% 8 mph SSW 81%
1 AM 26° Partly Cloudy 14% 9 mph SSW 82%
2 AM 26° Partly Cloudy 20% 9 mph SSW 82%
3 AM 25° Partly Cloudy 21% 9 mph SSW 83%
4 AM 25° Partly Cloudy 11% 9 mph SSW 84%
5 AM 24° Partly Cloudy 11% 9 mph SSW 85%
6 AM 24° Mostly Clear 11% 9 mph SW 86%
7 AM 24° Clear 12% 10 mph SW 86%
8 AM 25° Mostly Clear 12% 10 mph SW 83%
15-Day Forecast
Today
8/10
Mostly Clear
21%
23°
34°
Tue
8/11
Mostly Clear
49%
24°
36°
Wed
8/12
Partly Cloudy
72%
23°
37°
Thu
8/13
Partly Cloudy
82%
23°
33°
Fri
8/14
Drizzle
68%
22°
30°
Sat
8/15
Drizzle
64%
21°
33°
Sun
8/16
Clear
63%
24°
35°
Mon
8/17
Rain
63%
21°
31°
Tue
8/18
Drizzle
44%
19°
31°
Wed
8/19
Thunderstorm
51%
22°
33°
Thu
8/20
Drizzle
60%
23°
34°
Fri
8/21
Clear
60%
22°
34°
Sat
8/22
Drizzle
60%
22°
33°
Sun
8/23
Drizzle
60%
20°
32°
Mon
8/24
Drizzle
60%
19°
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, 13:00'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
SBCAPE2360 J/kg
MLCAPE1727 J/kg
MUCAPE2360 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.1
Kinematics
0–6 km Shear14 kt
0–1 km Shear20 kt
Eff. Shear15 kt
0–1 km SRH125
0–3 km SRH115
Eff. SRH115
Storm Motion9° @ 2 kt
0–1 km EHI1.8
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.5
Thermo & Levels
PWAT1.58 in
0–3 km LR5.0 °C/km
700–500 LR7.4 °C/km
Total Totals50.2
LCL953 hPa
LFC1003 hPa
EL180 hPa
Freezing Lvl15,125 ft