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: 4:51 PM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 28°  /  ▼ 22°
Wind
14 mph SSW
Humidity
69%
Dew Point
22°
Pressure
29.29 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
1%
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 29°C. Precipitation is likely — peak probability 55% around 5 PM. Atmospheric instability is elevated (CAPE up to 1846 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%
6 PM
28°
7%
7 PM
28°
7%
8 PM
26°
12%
9 PM
26°
19%
10 PM
24°
19%
11 PM
24°
31%
12 AM
24°
31%
1 AM
24°
45%
2 AM
24°
52%
3 AM
23°
52%
4 AM
23°
38%
5 AM
22°
42%
6 AM
22°
28%
7 AM
22°
15%
8 AM
23°
18%
9 AM
23°
18%
10 AM
23°
18%
11 AM
24°
18%
12 PM
26°
19%
1 PM
26°
19%
2 PM
27°
35%
3 PM
27°
36%
4 PM
27°
37%
7-Day Forecast
Today
28° 22°
Clear with a 31% chance of rain.
Thu
27° 22°
Partly Cloudy with a 55% chance of rain.
Fri
27° 21°
Mostly Cloudy with a 56% chance of rain.
Sat
27° 21°
Mostly Cloudy with a 58% chance of rain.
Sun
27° 20°
Partly Cloudy with a 30% chance of rain.
Mon
24° 19°
Partly Cloudy with a 29% chance of rain.
Tue
26° 19°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 8% 14 mph SSW 69%
6 PM 28° Clear 7% 13 mph SSW 69%
7 PM 28° Clear 7% 12 mph SSW 72%
8 PM 26° Clear 12% 12 mph SSW 74%
9 PM 26° Clear 19% 10 mph SSW 77%
10 PM 24° Mostly Clear 19% 10 mph SW 79%
11 PM 24° Mostly Clear 31% 10 mph SW 82%
12 AM 24° Partly Cloudy 31% 10 mph SW 84%
1 AM 24° Partly Cloudy 45% 10 mph SW 85%
2 AM 24° Partly Cloudy 52% 9 mph WSW 89%
3 AM 23° Partly Cloudy 52% 6 mph SW 91%
4 AM 23° Mostly Clear 38% 5 mph SW 92%
5 AM 22° Mostly Clear 42% 5 mph SSW 93%
6 AM 22° Mostly Clear 28% 5 mph SW 93%
7 AM 22° Partly Cloudy 15% 6 mph SW 93%
8 AM 23° Partly Cloudy 18% 7 mph SW 92%
9 AM 23° Mostly Cloudy 18% 7 mph SW 89%
10 AM 23° Mostly Cloudy 18% 8 mph SW 86%
11 AM 24° Mostly Cloudy 18% 8 mph SW 84%
12 PM 26° Partly Cloudy 19% 8 mph SW 82%
1 PM 26° Partly Cloudy 19% 9 mph SW 80%
2 PM 27° Partly Cloudy 35% 9 mph SW 78%
3 PM 27° Partly Cloudy 36% 9 mph SW 77%
4 PM 27° Partly Cloudy 37% 8 mph SW 76%
15-Day Forecast
Today
7/1
Clear
31%
22°
28°
Thu
7/2
Partly Cloudy
55%
22°
27°
Fri
7/3
Mostly Cloudy
56%
21°
27°
Sat
7/4
Mostly Cloudy
58%
21°
27°
Sun
7/5
Partly Cloudy
30%
20°
27°
Mon
7/6
Partly Cloudy
29%
19°
24°
Tue
7/7
Partly Cloudy
17%
19°
26°
Wed
7/8
Partly Cloudy
42%
19°
27°
Thu
7/9
Rain
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, 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
SBCAPE1335 J/kg
MLCAPE902 J/kg
MUCAPE1957 J/kg
SBCIN-252 J/kg
MLCIN0 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear37 kt
0–1 km Shear13 kt
Eff. Shear35 kt
0–1 km SRH-7
0–3 km SRH-105
Eff. SRH-163
Storm Motion229° @ 44 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index11.4
Thermo & Levels
PWAT1.16 in
0–3 km LR5.6 °C/km
700–500 LR7.3 °C/km
Total Totals42.6
LCL894 hPa
LFC680 hPa
EL201 hPa
Freezing Lvl14,777 ft