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

Cass County, Michigan, United States

Last updated: 2:51 AM CDT  ·  Refresh
25°C
Feels like 28°
Clear
▲ 33°  /  ▼ 22°
Wind
6 mph SW
Humidity
89%
Dew Point
23°
Pressure
29.02 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
7:11 AM
Sunset
8:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cass County is currently clear at 25°C. Precipitation is likely — peak probability 62% around 3 AM. Atmospheric instability is elevated (CAPE up to 2331 J/kg) — isolated convective development possible. Sunrise: 7:11AM · Sunset: 8:13PM.

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
25°
16%
4 AM
25°
15%
5 AM
23°
12%
6 AM
23°
11%
7 AM
23°
11%
8 AM
25°
23%
9 AM
26°
28%
10 AM
27°
25%
11 AM
29°
33%
12 PM
30°
41%
1 PM
33°
46%
2 PM
33°
45%
3 PM
32°
51%
4 PM
32°
44%
5 PM
32°
55%
6 PM
31°
32%
7 PM
29°
33%
8 PM
28°
53%
9 PM
27°
58%
10 PM
26°
58%
11 PM
26°
49%
12 AM
26°
58%
1 AM
26°
58%
2 AM
26°
58%
7-Day Forecast
Today
33° 22°
Mostly Clear with a 58% chance of rain.
Fri
33° 22°
Mostly Cloudy with a 79% chance of rain.
Sat
30° 17°
Partly Cloudy with a 80% chance of rain.
Sun
27° 15°
Overcast.
Mon
28° 14°
Clear.
Tue
30° 18°
Rain, 64% chance.
Wed
32° 21°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 16% 6 mph SW 89%
4 AM 25° Clear 15% 5 mph SW 87%
5 AM 23° Mostly Clear 12% 6 mph SW 87%
6 AM 23° Mostly Clear 11% 6 mph SW 86%
7 AM 23° Mostly Clear 11% 6 mph SW 86%
8 AM 25° Mostly Clear 23% 7 mph WSW 80%
9 AM 26° Mostly Clear 28% 7 mph WSW 73%
10 AM 27° Partly Cloudy 25% 8 mph W 66%
11 AM 29° Mostly Clear 33% 8 mph W 62%
12 PM 30° Mostly Clear 41% 9 mph W 58%
1 PM 33° Mostly Clear 46% 9 mph W 55%
2 PM 33° Mostly Clear 45% 9 mph W 56%
3 PM 32° Mostly Clear 51% 9 mph W 58%
4 PM 32° Rain 44% 9 mph WNW 60%
5 PM 32° Partly Cloudy 55% 7 mph WNW 65%
6 PM 31° Mostly Clear 32% 6 mph NNW 73%
7 PM 29° Mostly Clear 33% 6 mph NE 80%
8 PM 28° Mostly Clear 53% 5 mph ESE 83%
9 PM 27° Partly Cloudy 58% 5 mph SE 85%
10 PM 26° Partly Cloudy 58% 6 mph SSE 87%
11 PM 26° Partly Cloudy 49% 6 mph SSE 88%
12 AM 26° Partly Cloudy 58% 5 mph SSE 89%
1 AM 26° Heavy Rain 58% 5 mph SSE 90%
2 AM 26° Heavy Rain 58% 5 mph SSE 91%
15-Day Forecast
Today
9/3
Mostly Clear
58%
22°
33°
Fri
9/4
Mostly Cloudy
79%
22°
33°
Sat
9/5
Partly Cloudy
80%
17°
30°
Sun
9/6
Overcast
6%
15°
27°
Mon
9/7
Clear
3%
14°
28°
Tue
9/8
Rain
64%
18°
30°
Wed
9/9
Drizzle
53%
21°
32°
Thu
9/10
Rain
69%
17°
31°
Fri
9/11
Drizzle
68%
16°
29°
Sat
9/12
Drizzle
51%
17°
34°
Sun
9/13
Drizzle
60%
17°
29°
Mon
9/14
Drizzle
60%
15°
27°
Tue
9/15
Drizzle
60%
14°
26°
Wed
9/16
Drizzle
60%
14°
27°
Thu
9/17
Drizzle
60%
15°
27°
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 13.0 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 45 58
Fri 41 Good 41 36
Sat 39 Good 39 19
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
SBCAPE1899 J/kg
MLCAPE1207 J/kg
MUCAPE2452 J/kg
SBCIN-246 J/kg
MLCIN-171 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear31 kt
0–1 km Shear20 kt
Eff. Shear29 kt
0–1 km SRH123
0–3 km SRH99
Eff. SRH99
Storm Motion304° @ 28 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado0.8
STP (eff)0.1
Supercell3.7
K-Index36.3
Thermo & Levels
PWAT1.63 in
0–3 km LR5.6 °C/km
700–500 LR5.7 °C/km
Total Totals47.5
LCL950 hPa
LFC770 hPa
EL199 hPa
Freezing Lvl14,081 ft