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

Spencer County, Indiana, United States

Last updated: 2:27 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 37°  /  ▼ 22°
Wind
3 mph SW
Humidity
79%
Dew Point
22°
Pressure
29.49 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:20 AM
Sunset
7:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Spencer County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2057 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 7:12PM.

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
64 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
16%
3 AM
23°
7%
4 AM
23°
4%
5 AM
22°
4%
6 AM
22°
4%
7 AM
22°
4%
8 AM
25°
9%
9 AM
29°
9%
10 AM
32°
9%
11 AM
33°
9%
12 PM
34°
8%
1 PM
37°
8%
2 PM
37°
10%
3 PM
37°
10%
4 PM
37°
19%
5 PM
36°
23%
6 PM
34°
18%
7 PM
33°
18%
8 PM
32°
24%
9 PM
27°
25%
10 PM
27°
15%
11 PM
26°
15%
12 AM
26°
19%
1 AM
26°
19%
7-Day Forecast
Today
37° 22°
Clear with a 24% chance of rain.
Sat
38° 22°
Partly Cloudy with a 59% chance of rain.
Sun
33° 17°
Partly Cloudy.
Mon
31° 13°
Mostly Clear.
Tue
37° 18°
Clear.
Wed
39° 20°
Drizzle, 38% chance.
Thu
36° 19°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 16% 3 mph SW 79%
3 AM 23° Clear 7% 3 mph SW 79%
4 AM 23° Clear 4% 2 mph SSE 80%
5 AM 22° Clear 4% 3 mph SSE 81%
6 AM 22° Clear 4% 3 mph SSE 83%
7 AM 22° Clear 4% 2 mph S 81%
8 AM 25° Clear 9% 2 mph S 73%
9 AM 29° Clear 9% 3 mph SSW 63%
10 AM 32° Clear 9% 3 mph SW 56%
11 AM 33° Clear 9% 4 mph SW 52%
12 PM 34° Clear 8% 4 mph WSW 47%
1 PM 37° Clear 8% 4 mph WSW 44%
2 PM 37° Clear 10% 4 mph WSW 43%
3 PM 37° Mostly Clear 10% 3 mph SW 41%
4 PM 37° Mostly Clear 19% 3 mph WSW 43%
5 PM 36° Clear 23% 3 mph WSW 48%
6 PM 34° Clear 18% 3 mph WSW 54%
7 PM 33° Clear 18% 3 mph WSW 60%
8 PM 32° Clear 24% 3 mph SW 64%
9 PM 27° Clear 25% 3 mph SW 68%
10 PM 27° Clear 15% 3 mph SSW 70%
11 PM 26° Clear 15% 2 mph SSW 72%
12 AM 26° Mostly Clear 19% 3 mph SSW 73%
1 AM 26° Mostly Clear 19% 3 mph SSW 75%
15-Day Forecast
Today
9/4
Clear
24%
22°
37°
Sat
9/5
Partly Cloudy
59%
22°
38°
Sun
9/6
Partly Cloudy
13%
17°
33°
Mon
9/7
Mostly Clear
3%
13°
31°
Tue
9/8
Clear
3%
18°
37°
Wed
9/9
Drizzle
38%
20°
39°
Thu
9/10
Drizzle
53%
19°
36°
Fri
9/11
Rain
69%
14°
34°
Sat
9/12
Drizzle
44%
18°
37°
Sun
9/13
Drizzle
51%
16°
34°
Mon
9/14
Clear
60%
20°
36°
Tue
9/15
Drizzle
60%
21°
37°
Wed
9/16
Drizzle
60%
20°
36°
Thu
9/17
Drizzle
60%
18°
33°
Fri
9/18
Clear
25%
18°
33°
64
Moderate
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
61 AQI 14.8 µg/m³
O3
Ground-level ozone
Dominant
64 AQI 59 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 64 Moderate 64 61
Sat 61 Moderate 50 61
Sun 56 Moderate 47 56
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 Sep 4, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE343 J/kg
MLCAPE475 J/kg
MUCAPE649 J/kg
SBCIN-456 J/kg
MLCIN-189 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear9 kt
0–1 km Shear10 kt
Eff. Shear9 kt
0–1 km SRH34
0–3 km SRH50
Eff. SRH40
Storm Motion336° @ 12 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.7
Thermo & Levels
PWAT1.55 in
0–3 km LR4.9 °C/km
700–500 LR5.2 °C/km
Total Totals45.2
LCL958 hPa
LFC590 hPa
EL267 hPa
Freezing Lvl16,325 ft