Excessive Heat Watch 7:00 PM Excessive Heat Warning — Mason, MI, Lake, MI, Osceola, MI, Clare, MI, Oceana, MI, Newaygo, MI, Mecosta, MI, Isabella, MI, Muskegon, MI, Montcalm, MI, Gratiot, MI, Ottawa, MI, Kent, MI, Ionia, MI, Clinton, MI, Allegan, MI, Barry, MI, Eaton, MI, Ingham, MI, Van Buren, MI, Kalamazoo, MI, Calhoun, MI, Jackson, MI 7:00 PM

Allegan County, Michigan, United States

Last updated: 3:39 PM CDT  ·  Refresh
33°C
Feels like 37°
Clear
▲ 34°  /  ▼ 23°
Wind
12 mph SW
Humidity
51%
Dew Point
22°
Pressure
29.18 inHg
Visibility
10 mi
UV Index
8.2
Cloud Cover
1%
Sunrise
6:09 AM
Sunset
9:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Allegan County is currently clear at 33°C. Precipitation is likely — peak probability 50% around 4 AM. Atmospheric instability is elevated (CAPE up to 2556 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 9:24PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
Excessive Heat Warning
Mason, MI, Lake, MI, Osceola, MI, Clare, MI, Oceana, MI, Newaygo, MI, Mecosta, MI, Isabella, MI, Muskegon, MI, Montcalm, MI, Gratiot, MI, Ottawa, MI, Kent, MI, Ionia, MI, Clinton, MI, Allegan, MI, Barry, MI, Eaton, MI, Ingham, MI, Van Buren, MI, Kalamazoo, MI, Calhoun, MI, Jackson, MI
Expires 7:00 PM
74 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
4%
5 PM
33°
4%
6 PM
34°
4%
7 PM
33°
4%
8 PM
32°
9%
9 PM
30°
12%
10 PM
28°
19%
11 PM
28°
20%
12 AM
27°
20%
1 AM
27°
20%
2 AM
26°
24%
3 AM
26°
30%
4 AM
26°
50%
5 AM
25°
32%
6 AM
23°
19%
7 AM
24°
8%
8 AM
25°
5%
9 AM
26°
5%
10 AM
27°
5%
11 AM
29°
5%
12 PM
30°
5%
1 PM
31°
5%
2 PM
32°
9%
3 PM
32°
9%
7-Day Forecast
Today
34° 23°
Clear.
Thu
34° 23°
Mostly Clear with a 50% chance of rain.
Fri
33° 22°
Partly Cloudy with a 50% chance of rain.
Sat
31° 22°
Rain, 83% chance.
Sun
29° 19°
Drizzle, 51% chance.
Mon
27° 19°
Rain, 29% chance.
Tue
28° 19°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 4% 12 mph SW 51%
5 PM 33° Clear 4% 13 mph SW 54%
6 PM 34° Clear 4% 13 mph SW 58%
7 PM 33° Clear 4% 12 mph SW 62%
8 PM 32° Clear 9% 10 mph SW 66%
9 PM 30° Clear 12% 10 mph SW 69%
10 PM 28° Clear 19% 9 mph SW 72%
11 PM 28° Clear 20% 9 mph SW 75%
12 AM 27° Clear 20% 9 mph SW 79%
1 AM 27° Clear 20% 9 mph SW 83%
2 AM 26° Clear 24% 8 mph SW 85%
3 AM 26° Mostly Clear 30% 8 mph SW 87%
4 AM 26° Partly Cloudy 50% 7 mph SW 88%
5 AM 25° Mostly Clear 32% 7 mph SW 89%
6 AM 23° Mostly Clear 19% 7 mph SW 90%
7 AM 24° Mostly Clear 8% 6 mph SW 89%
8 AM 25° Clear 5% 7 mph SW 85%
9 AM 26° Clear 5% 8 mph SW 79%
10 AM 27° Clear 5% 9 mph WSW 74%
11 AM 29° Clear 5% 10 mph WSW 71%
12 PM 30° Mostly Clear 5% 10 mph WSW 68%
1 PM 31° Mostly Clear 5% 11 mph WSW 65%
2 PM 32° Mostly Clear 9% 11 mph WSW 64%
3 PM 32° Mostly Clear 9% 11 mph WSW 63%
15-Day Forecast
Today
7/1
Clear
19%
23°
34°
Thu
7/2
Mostly Clear
50%
23°
34°
Fri
7/3
Partly Cloudy
50%
22°
33°
Sat
7/4
Rain
83%
22°
31°
Sun
7/5
Drizzle
51%
19°
29°
Mon
7/6
Rain
29%
19°
27°
Tue
7/7
Rain
28%
19°
28°
Wed
7/8
Drizzle
69%
18°
29°
Thu
7/9
Rain
68%
18°
29°
Fri
7/10
Drizzle
68%
18°
29°
Sat
7/11
Drizzle
60%
18°
27°
Sun
7/12
Drizzle
60%
17°
28°
Mon
7/13
Drizzle
60%
18°
27°
Tue
7/14
Drizzle
60%
17°
26°
Wed
7/15
Drizzle
60%
16°
26°
74
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
74 AQI 21.3 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 74 Moderate 47 74
Fri 58 Moderate 58 52
Sat 44 Good 44 43
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 Wed Jul 1, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2521 J/kg
MLCAPE491 J/kg
MUCAPE2521 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.6
Kinematics
0–6 km Shear30 kt
0–1 km Shear9 kt
Eff. Shear27 kt
0–1 km SRH9
0–3 km SRH-69
Eff. SRH-69
Storm Motion225° @ 39 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index6.5
Thermo & Levels
PWAT0.97 in
0–3 km LR7.1 °C/km
700–500 LR7.3 °C/km
Total Totals33.8
LCL839 hPa
LFC988 hPa
EL166 hPa
Freezing Lvl14,360 ft