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: 4:57 PM CDT  ·  Refresh
33°C
Feels like 38°
Clear
▲ 34°  /  ▼ 24°
Wind
13 mph SW
Humidity
57%
Dew Point
22°
Pressure
29.17 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
0%
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. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2786 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%
6 PM
34°
4%
7 PM
33°
4%
8 PM
31°
9%
9 PM
29°
12%
10 PM
28°
19%
11 PM
28°
19%
12 AM
28°
20%
1 AM
27°
20%
2 AM
27°
24%
3 AM
26°
30%
4 AM
26°
30%
5 AM
24°
22%
6 AM
24°
16%
7 AM
24°
12%
8 AM
26°
15%
9 AM
27°
5%
10 AM
29°
5%
11 AM
29°
5%
12 PM
32°
5%
1 PM
33°
5%
2 PM
33°
9%
3 PM
33°
9%
4 PM
33°
16%
7-Day Forecast
Today
34° 24°
Clear.
Thu
34° 24°
Mostly Clear with a 29% chance of rain.
Fri
32° 22°
Mostly Cloudy with a 56% chance of rain.
Sat
29° 20°
Overcast with a 84% chance of rain.
Sun
29° 19°
Mostly Cloudy with a 29% chance of rain.
Mon
27° 19°
Partly Cloudy with a 29% chance of rain.
Tue
28° 19°
Mostly Cloudy with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 4% 13 mph SW 57%
6 PM 34° Clear 4% 13 mph SW 61%
7 PM 33° Clear 4% 12 mph SW 65%
8 PM 31° Clear 9% 10 mph SW 68%
9 PM 29° Clear 12% 10 mph SW 70%
10 PM 28° Mostly Clear 19% 9 mph SW 73%
11 PM 28° Mostly Clear 19% 9 mph SW 76%
12 AM 28° Mostly Clear 20% 9 mph SW 80%
1 AM 27° Mostly Clear 20% 9 mph SW 83%
2 AM 27° Mostly Clear 24% 8 mph SW 85%
3 AM 26° Mostly Clear 30% 8 mph SW 87%
4 AM 26° Mostly Clear 30% 7 mph SW 89%
5 AM 24° Mostly Clear 22% 7 mph SW 90%
6 AM 24° Mostly Clear 16% 6 mph SW 89%
7 AM 24° Clear 12% 7 mph SW 89%
8 AM 26° Clear 15% 8 mph WSW 85%
9 AM 27° Clear 5% 8 mph WSW 79%
10 AM 29° Clear 5% 9 mph SW 72%
11 AM 29° Mostly Clear 5% 10 mph WSW 67%
12 PM 32° Mostly Clear 5% 11 mph WSW 65%
1 PM 33° Mostly Clear 5% 12 mph WSW 62%
2 PM 33° Mostly Clear 9% 12 mph WSW 61%
3 PM 33° Mostly Clear 9% 11 mph WSW 60%
4 PM 33° Mostly Clear 16% 11 mph SW 59%
15-Day Forecast
Today
7/1
Clear
19%
24°
34°
Thu
7/2
Mostly Clear
29%
24°
34°
Fri
7/3
Mostly Cloudy
56%
22°
32°
Sat
7/4
Overcast
84%
20°
29°
Sun
7/5
Mostly Cloudy
29%
19°
29°
Mon
7/6
Partly Cloudy
29%
19°
27°
Tue
7/7
Mostly Cloudy
28%
19°
28°
Wed
7/8
Partly Cloudy
42%
18°
28°
Thu
7/9
Rain
68%
18°
29°
Fri
7/10
Drizzle
51%
18°
29°
Sat
7/11
Drizzle
60%
18°
26°
Sun
7/12
Drizzle
60%
17°
27°
Mon
7/13
Drizzle
60%
17°
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, 20:00'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
SBCAPE2868 J/kg
MLCAPE1638 J/kg
MUCAPE2868 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.3
Kinematics
0–6 km Shear30 kt
0–1 km Shear9 kt
Eff. Shear26 kt
0–1 km SRH33
0–3 km SRH-60
Eff. SRH-60
Storm Motion229° @ 40 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.0
K-Index16.7
Thermo & Levels
PWAT1.21 in
0–3 km LR6.9 °C/km
700–500 LR7.4 °C/km
Total Totals45.5
LCL851 hPa
LFC988 hPa
EL156 hPa
Freezing Lvl14,439 ft