Heat Advisory — Sullivan, IN, Greene, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN 8:00 PM

Martin County, Indiana, United States

Last updated: 5:12 AM CDT  ·  Refresh
26°C
Feels like 28°
Mostly Clear
▲ 33°  /  ▼ 22°
Wind
7 mph SSW
Humidity
82%
Dew Point
23°
Pressure
29.43 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
24%
Sunrise
6:57 AM
Sunset
8:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Martin County is currently mostly clear at 26°C. Precipitation is likely — peak probability 66% around 9 PM. Atmospheric instability is elevated (CAPE up to 3822 J/kg) — isolated convective development possible. Sunrise: 6:57AM · Sunset: 8:46PM.

Alerts

Heat Advisory
Sullivan, IN, Greene, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN
Expires 8:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
7 AM
24°
25%
8 AM
24°
23%
9 AM
26°
25%
10 AM
27°
39%
11 AM
28°
27%
12 PM
29°
38%
1 PM
31°
39%
2 PM
32°
35%
3 PM
32°
42%
4 PM
33°
43%
5 PM
33°
43%
6 PM
33°
52%
7 PM
32°
55%
8 PM
31°
61%
9 PM
28°
65%
10 PM
26°
52%
11 PM
26°
53%
12 AM
26°
53%
1 AM
25°
51%
2 AM
25°
37%
3 AM
24°
40%
4 AM
24°
40%
5 AM
24°
24%
7-Day Forecast
Today
33° 22°
Partly Cloudy with a 65% chance of rain.
Wed
34° 22°
Partly Cloudy with a 74% chance of rain.
Thu
33° 22°
Mostly Cloudy with a 77% chance of rain.
Fri
33° 21°
Mostly Clear with a 41% chance of rain.
Sat
35° 21°
Mostly Cloudy with a 22% chance of rain.
Sun
37° 22°
Drizzle, 46% chance.
Mon
33° 19°
Mostly Cloudy with a 47% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 8% 7 mph SSW 82%
7 AM 24° Mostly Clear 25% 8 mph SSW 80%
8 AM 24° Mostly Clear 23% 8 mph SW 80%
9 AM 26° Mostly Clear 25% 10 mph SW 76%
10 AM 27° Mostly Clear 39% 10 mph SW 72%
11 AM 28° Partly Cloudy 27% 10 mph SW 68%
12 PM 29° Partly Cloudy 38% 11 mph SW 65%
1 PM 31° Mostly Clear 39% 11 mph SW 62%
2 PM 32° Mostly Clear 35% 12 mph WSW 59%
3 PM 32° Partly Cloudy 42% 11 mph WSW 60%
4 PM 33° Partly Cloudy 43% 11 mph SW 58%
5 PM 33° Partly Cloudy 43% 10 mph SW 58%
6 PM 33° Partly Cloudy 52% 8 mph SW 63%
7 PM 32° Partly Cloudy 55% 7 mph SW 68%
8 PM 31° Mostly Cloudy 61% 5 mph SSE 74%
9 PM 28° Partly Cloudy 65% 9 mph SE 77%
10 PM 26° Partly Cloudy 52% 9 mph SE 80%
11 PM 26° Partly Cloudy 53% 9 mph SSE 82%
12 AM 26° Partly Cloudy 53% 9 mph SSE 82%
1 AM 25° Partly Cloudy 51% 8 mph SSE 82%
2 AM 25° Partly Cloudy 37% 8 mph SSE 83%
3 AM 24° Partly Cloudy 40% 8 mph SSE 83%
4 AM 24° Partly Cloudy 40% 9 mph SSE 83%
5 AM 24° Partly Cloudy 24% 8 mph SSW 84%
15-Day Forecast
Today
8/11
Partly Cloudy
65%
22°
33°
Wed
8/12
Partly Cloudy
74%
22°
34°
Thu
8/13
Mostly Cloudy
77%
22°
33°
Fri
8/14
Mostly Clear
41%
21°
33°
Sat
8/15
Mostly Cloudy
22%
21°
35°
Sun
8/16
Drizzle
46%
22°
37°
Mon
8/17
Mostly Cloudy
47%
19°
33°
Tue
8/18
Mostly Clear
34%
19°
33°
Wed
8/19
Thunderstorm
53%
21°
36°
Thu
8/20
Clear
35%
21°
33°
Fri
8/21
Drizzle
60%
19°
33°
Sat
8/22
Drizzle
60%
19°
33°
Sun
8/23
Drizzle
60%
19°
33°
Mon
8/24
Drizzle
60%
18°
32°
Tue
8/25
Drizzle
60%
18°
32°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
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
Dominant
51 AQI 9.1 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 43 51
Wed 40 Good 40 28
Thu 39 Good 39 26
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 Tue Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2435 J/kg
MLCAPE1726 J/kg
MUCAPE2435 J/kg
SBCIN-221 J/kg
MLCIN0 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear22 kt
0–1 km Shear21 kt
Eff. Shear26 kt
0–1 km SRH159
0–3 km SRH176
Eff. SRH176
Storm Motion320° @ 18 kt
0–1 km EHI2.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.6
Supercell5.6
K-Index32.9
Thermo & Levels
PWAT1.76 in
0–3 km LR4.8 °C/km
700–500 LR7.4 °C/km
Total Totals54.1
LCL958 hPa
LFC707 hPa
EL168 hPa
Freezing Lvl14,232 ft