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

Saint Joseph County, Michigan, United States

Last updated: 2:52 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 33°  /  ▼ 22°
Wind
5 mph SW
Humidity
92%
Dew Point
23°
Pressure
29.04 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
3%
Sunrise
7:10 AM
Sunset
8:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Joseph County is currently clear at 24°C. Precipitation is likely — peak probability 65% around 3 AM. Atmospheric instability is elevated (CAPE up to 2483 J/kg) — isolated convective development possible. Sunrise: 7:10AM · Sunset: 8:12PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
16%
4 AM
24°
15%
5 AM
23°
7%
6 AM
23°
7%
7 AM
23°
4%
8 AM
25°
23%
9 AM
26°
24%
10 AM
28°
39%
11 AM
30°
38%
12 PM
31°
38%
1 PM
33°
39%
2 PM
33°
43%
3 PM
32°
50%
4 PM
32°
50%
5 PM
32°
36%
6 PM
31°
35%
7 PM
29°
43%
8 PM
28°
48%
9 PM
27°
54%
10 PM
26°
55%
11 PM
26°
46%
12 AM
26°
51%
1 AM
26°
51%
2 AM
26°
58%
7-Day Forecast
Today
33° 22°
Mostly Clear with a 54% chance of rain.
Fri
33° 22°
Mostly Cloudy with a 65% chance of rain.
Sat
29° 17°
Rain, 79% chance.
Sun
26° 14°
Mostly Cloudy.
Mon
28° 14°
Clear.
Tue
29° 17°
Drizzle, 43% chance.
Wed
32° 20°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 16% 5 mph SW 92%
4 AM 24° Clear 15% 6 mph SSW 90%
5 AM 23° Partly Cloudy 7% 6 mph SW 90%
6 AM 23° Mostly Clear 7% 6 mph SW 89%
7 AM 23° Mostly Clear 4% 6 mph SW 89%
8 AM 25° Mostly Clear 23% 7 mph WSW 81%
9 AM 26° Mostly Clear 24% 8 mph WSW 72%
10 AM 28° Partly Cloudy 39% 9 mph WSW 63%
11 AM 30° Mostly Clear 38% 10 mph W 58%
12 PM 31° Mostly Clear 38% 10 mph W 55%
1 PM 33° Mostly Clear 39% 11 mph W 53%
2 PM 33° Partly Cloudy 43% 11 mph W 55%
3 PM 32° Partly Cloudy 50% 11 mph WNW 58%
4 PM 32° Partly Cloudy 50% 11 mph WNW 61%
5 PM 32° Partly Cloudy 36% 9 mph WNW 65%
6 PM 31° Mostly Clear 35% 7 mph NW 70%
7 PM 29° Mostly Clear 43% 6 mph N 78%
8 PM 28° Mostly Clear 48% 5 mph ESE 82%
9 PM 27° Partly Cloudy 54% 6 mph SSE 85%
10 PM 26° Partly Cloudy 55% 7 mph SSE 88%
11 PM 26° Partly Cloudy 46% 6 mph SSE 88%
12 AM 26° Partly Cloudy 51% 6 mph SSE 89%
1 AM 26° Heavy Rain 51% 6 mph SSE 90%
2 AM 26° Heavy Rain 58% 6 mph SSE 91%
15-Day Forecast
Today
9/3
Mostly Clear
54%
22°
33°
Fri
9/4
Mostly Cloudy
65%
22°
33°
Sat
9/5
Rain
79%
17°
29°
Sun
9/6
Mostly Cloudy
3%
14°
26°
Mon
9/7
Clear
3%
14°
28°
Tue
9/8
Drizzle
43%
17°
29°
Wed
9/9
Drizzle
53%
20°
32°
Thu
9/10
Rain
69%
16°
31°
Fri
9/11
Rain
68%
15°
28°
Sat
9/12
Drizzle
68%
16°
33°
Sun
9/13
Drizzle
60%
16°
29°
Mon
9/14
Drizzle
60%
14°
27°
Tue
9/15
Drizzle
60%
14°
26°
Wed
9/16
Drizzle
60%
14°
27°
Thu
9/17
Drizzle
60%
14°
28°
58
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
58 AQI 12.7 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 45 58
Fri 39 Good 39 36
Sat 37 Good 37 22
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 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1838 J/kg
MLCAPE1217 J/kg
MUCAPE2707 J/kg
SBCIN-250 J/kg
MLCIN-169 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear33 kt
0–1 km Shear22 kt
Eff. Shear23 kt
0–1 km SRH138
0–3 km SRH118
Eff. SRH60
Storm Motion303° @ 29 kt
0–1 km EHI1.6
Composite Parameters
Sig. Tornado1.0
STP (eff)0.0
Supercell1.9
K-Index37.5
Thermo & Levels
PWAT1.67 in
0–3 km LR5.5 °C/km
700–500 LR5.7 °C/km
Total Totals47.7
LCL961 hPa
LFC778 hPa
EL200 hPa
Freezing Lvl14,140 ft