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

Muskegon, Michigan

Last updated: 3:33 PM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 29°  /  ▼ 22°
Wind
14 mph SSW
Humidity
71%
Dew Point
22°
Pressure
29.29 inHg
Visibility
10 mi
UV Index
8.3
Cloud Cover
9%
Sunrise
6:08 AM
Sunset
9:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Muskegon is currently clear at 28°C. Precipitation is likely — peak probability 58% around 3 AM. Atmospheric instability is elevated (CAPE up to 1677 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 9:28PM.

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
90 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
8%
5 PM
27°
7%
6 PM
29°
7%
7 PM
28°
7%
8 PM
26°
12%
9 PM
26°
12%
10 PM
24°
19%
11 PM
24°
31%
12 AM
24°
35%
1 AM
24°
49%
2 AM
24°
45%
3 AM
23°
57%
4 AM
23°
36%
5 AM
22°
42%
6 AM
22°
30%
7 AM
22°
20%
8 AM
23°
14%
9 AM
23°
18%
10 AM
23°
18%
11 AM
25°
19%
12 PM
25°
19%
1 PM
26°
19%
2 PM
26°
26%
3 PM
26°
37%
7-Day Forecast
Today
29° 22°
Clear.
Thu
27° 22°
Partly Cloudy with a 62% chance of rain.
Fri
27° 21°
Mostly Cloudy with a 55% chance of rain.
Sat
26° 21°
Overcast with a 67% chance of rain.
Sun
27° 20°
Clear with a 50% chance of rain.
Mon
24° 19°
Rain, 29% chance.
Tue
26° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 8% 14 mph SSW 71%
5 PM 27° Clear 7% 14 mph SSW 67%
6 PM 29° Clear 7% 13 mph SSW 68%
7 PM 28° Clear 7% 12 mph SSW 71%
8 PM 26° Clear 12% 11 mph SSW 74%
9 PM 26° Clear 12% 10 mph SSW 76%
10 PM 24° Clear 19% 10 mph SSW 78%
11 PM 24° Mostly Clear 31% 10 mph SW 80%
12 AM 24° Mostly Clear 35% 10 mph SW 83%
1 AM 24° Partly Cloudy 49% 10 mph SW 85%
2 AM 24° Partly Cloudy 45% 8 mph SW 88%
3 AM 23° Partly Cloudy 57% 6 mph WSW 90%
4 AM 23° Mostly Clear 36% 5 mph SW 93%
5 AM 22° Mostly Clear 42% 5 mph SSW 93%
6 AM 22° Partly Cloudy 30% 6 mph SW 93%
7 AM 22° Partly Cloudy 20% 6 mph SW 93%
8 AM 23° Partly Cloudy 14% 7 mph SW 91%
9 AM 23° Partly Cloudy 18% 7 mph SW 89%
10 AM 23° Partly Cloudy 18% 7 mph SW 87%
11 AM 25° Partly Cloudy 19% 7 mph SW 85%
12 PM 25° Partly Cloudy 19% 8 mph SW 83%
1 PM 26° Partly Cloudy 19% 8 mph SW 81%
2 PM 26° Partly Cloudy 26% 8 mph SW 79%
3 PM 26° Partly Cloudy 37% 8 mph SW 77%
15-Day Forecast
Today
7/1
Clear
19%
22°
29°
Thu
7/2
Partly Cloudy
62%
22°
27°
Fri
7/3
Mostly Cloudy
55%
21°
27°
Sat
7/4
Overcast
67%
21°
26°
Sun
7/5
Clear
50%
20°
27°
Mon
7/6
Rain
29%
19°
24°
Tue
7/7
Clear
17%
19°
26°
Wed
7/8
Drizzle
69%
19°
26°
Thu
7/9
Drizzle
68%
19°
27°
Fri
7/10
Rain
68%
19°
27°
Sat
7/11
Drizzle
60%
19°
24°
Sun
7/12
Drizzle
60%
18°
24°
Mon
7/13
Drizzle
60%
19°
24°
Tue
7/14
Drizzle
60%
18°
23°
Wed
7/15
Drizzle
60%
17°
23°
90
Moderate
U.S. Air Quality Index · Dominant: O3
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
82 AQI 25.7 µg/m³
O3
Ground-level ozone
Dominant
90 AQI 67 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 90 Moderate 90 82
Fri 67 Moderate 67 53
Sat 45 Good 45 40
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 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1682 J/kg
MLCAPE1246 J/kg
MUCAPE2350 J/kg
SBCIN-246 J/kg
MLCIN0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear37 kt
0–1 km Shear12 kt
Eff. Shear36 kt
0–1 km SRH-19
0–3 km SRH-115
Eff. SRH-115
Storm Motion226° @ 44 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index6.5
Thermo & Levels
PWAT1.11 in
0–3 km LR5.6 °C/km
700–500 LR7.2 °C/km
Total Totals35.2
LCL904 hPa
LFC701 hPa
EL190 hPa
Freezing Lvl14,662 ft