Heat Advisory — Elkhart, IN, Lagrange, IN, Steuben, IN, Noble, IN, De Kalb, IN, Northern La Porte, IN, Eastern St. Joseph, IN, Southern La Porte, IN, Western St. Joseph, IN, Cass, MI, St. Joseph, MI, Branch, MI, Hillsdale, MI, Northern Berrien, MI, Southern Berrien, MI, Williams, OH, Fulton, OH, Defiance, OH, Henry, OH 7:00 PM

South Bend, Indiana

Last updated: 2:54 AM CDT  ·  Refresh
26°C
Feels like 28°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
6 mph SW
Humidity
85%
Dew Point
23°
Pressure
29.15 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
11%
Sunrise
7:13 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: South Bend is currently mostly clear at 25°C. Precipitation is likely — peak probability 52% around 3 AM. Atmospheric instability is elevated (CAPE up to 2408 J/kg) — isolated convective development possible. Sunrise: 7:13AM · Sunset: 8:14PM.

Alerts

Heat Advisory
Elkhart, IN, Lagrange, IN, Steuben, IN, Noble, IN, De Kalb, IN, Northern La Porte, IN, Eastern St. Joseph, IN, Southern La Porte, IN, Western St. Joseph, IN, Cass, MI, St. Joseph, MI, Branch, MI, Hillsdale, MI, Northern Berrien, MI, Southern Berrien, MI, Williams, OH, Fulton, OH, Defiance, OH, Henry, OH
Expires 7:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
16%
4 AM
25°
15%
5 AM
24°
7%
6 AM
23°
7%
7 AM
23°
7%
8 AM
26°
19%
9 AM
26°
19%
10 AM
28°
17%
11 AM
29°
33%
12 PM
31°
41%
1 PM
33°
46%
2 PM
33°
42%
3 PM
33°
36%
4 PM
33°
36%
5 PM
33°
31%
6 PM
32°
26%
7 PM
30°
23%
8 PM
29°
27%
9 PM
27°
33%
10 PM
27°
33%
11 PM
27°
45%
12 AM
27°
50%
1 AM
26°
50%
2 AM
26°
51%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 41% chance of rain.
Fri
34° 23°
Mostly Cloudy with a 59% chance of rain.
Sat
31° 19°
Partly Cloudy with a 71% chance of rain.
Sun
27° 16°
Overcast.
Mon
28° 15°
Clear.
Tue
29° 18°
Drizzle, 52% chance.
Wed
32° 21°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 16% 6 mph SW 85%
4 AM 25° Partly Cloudy 15% 6 mph SW 82%
5 AM 24° Partly Cloudy 7% 6 mph SW 82%
6 AM 23° Partly Cloudy 7% 6 mph SW 83%
7 AM 23° Partly Cloudy 7% 7 mph WSW 82%
8 AM 26° Partly Cloudy 19% 7 mph WSW 77%
9 AM 26° Mostly Clear 19% 7 mph WSW 70%
10 AM 28° Mostly Clear 17% 7 mph WSW 65%
11 AM 29° Mostly Clear 33% 8 mph WSW 61%
12 PM 31° Clear 41% 8 mph WSW 57%
1 PM 33° Clear 46% 10 mph W 53%
2 PM 33° Clear 42% 8 mph W 55%
3 PM 33° Mostly Clear 36% 8 mph W 57%
4 PM 33° Partly Cloudy 36% 9 mph WNW 60%
5 PM 33° Mostly Clear 31% 7 mph W 64%
6 PM 32° Mostly Clear 26% 5 mph W 70%
7 PM 30° Mostly Clear 23% 6 mph ESE 78%
8 PM 29° Mostly Clear 27% 5 mph SE 82%
9 PM 27° Mostly Clear 33% 5 mph SSE 84%
10 PM 27° Partly Cloudy 33% 6 mph SSE 86%
11 PM 27° Partly Cloudy 45% 6 mph S 87%
12 AM 27° Partly Cloudy 50% 6 mph S 87%
1 AM 26° Rain 50% 6 mph S 88%
2 AM 26° Fog 51% 5 mph S 89%
15-Day Forecast
Today
9/3
Mostly Clear
41%
23°
34°
Fri
9/4
Mostly Cloudy
59%
23°
34°
Sat
9/5
Partly Cloudy
71%
19°
31°
Sun
9/6
Overcast
6%
16°
27°
Mon
9/7
Clear
8%
15°
28°
Tue
9/8
Drizzle
52%
18°
29°
Wed
9/9
Drizzle
53%
21°
32°
Thu
9/10
Rain
69%
18°
31°
Fri
9/11
Rain
68%
17°
30°
Sat
9/12
Drizzle
51%
18°
34°
Sun
9/13
Drizzle
60%
17°
29°
Mon
9/14
Drizzle
60%
16°
26°
Tue
9/15
Drizzle
60%
15°
26°
Wed
9/16
Drizzle
60%
15°
26°
Thu
9/17
Drizzle
60%
16°
27°
57
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
57 AQI 12.1 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 40 57
Fri 49 Good 49 40
Sat 35 Good 35 21
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 Thu Sep 3, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1863 J/kg
MLCAPE1131 J/kg
MUCAPE2222 J/kg
SBCIN-257 J/kg
MLCIN-178 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear29 kt
0–1 km Shear18 kt
Eff. Shear20 kt
0–1 km SRH118
0–3 km SRH92
Eff. SRH32
Storm Motion304° @ 26 kt
0–1 km EHI1.4
Composite Parameters
Sig. Tornado0.7
STP (eff)0.0
Supercell0.7
K-Index36.1
Thermo & Levels
PWAT1.66 in
0–3 km LR5.6 °C/km
700–500 LR5.8 °C/km
Total Totals47.9
LCL950 hPa
LFC770 hPa
EL199 hPa
Freezing Lvl14,409 ft