Severe Thunderstorm Watch 7:00 PM Beach Hazards Statement — Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI 1:00 AM

Muskegon County, Michigan, United States

Last updated: 6:05 PM CDT  ·  Refresh
23°C
Feels like 23°
Mostly Cloudy
▲ 24°  /  ▼ 18°
Wind
13 mph SSW
Humidity
89%
Dew Point
21°
Pressure
28.98 inHg
Visibility
9 mi
UV Index
3.6
Cloud Cover
67%
Sunrise
6:29 AM
Sunset
9:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Muskegon County is currently mostly cloudy at 23°C. Precipitation is likely — peak probability 68% around 7 PM. Atmospheric instability is elevated (CAPE up to 719 J/kg) — isolated convective development possible. Sunrise: 6:29AM · Sunset: 9:11PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
Beach Hazards Statement
Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI
Expires 1:00 AM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
68%
8 PM
23°
51%
9 PM
23°
53%
10 PM
22°
56%
11 PM
22°
32%
12 AM
22°
34%
1 AM
22°
32%
2 AM
21°
11%
3 AM
21°
12%
4 AM
21°
14%
5 AM
21°
22%
6 AM
18°
23%
7 AM
18°
17%
8 AM
19°
3%
9 AM
20°
3%
10 AM
21°
3%
11 AM
22°
3%
12 PM
23°
3%
1 PM
24°
3%
2 PM
26°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
25°
3%
6 PM
26°
3%
7-Day Forecast
Tonight
24° 18°
Mostly Cloudy with a 68% chance of rain.
Tue
27° 18°
Partly Cloudy with a 32% chance of rain.
Wed
27° 16°
Clear.
Thu
27° 17°
Mostly Clear with a 28% chance of rain.
Fri
25° 19°
Rain, 59% chance.
Sat
24° 17°
Rain, 64% chance.
Sun
26° 16°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Cloudy 68% 13 mph SSW 89%
8 PM 23° Partly Cloudy 51% 10 mph SSW 91%
9 PM 23° Partly Cloudy 53% 6 mph S 94%
10 PM 22° Mostly Cloudy 56% 5 mph ESE 95%
11 PM 22° Mostly Cloudy 32% 6 mph ENE 97%
12 AM 22° Mostly Cloudy 34% 6 mph NNE 97%
1 AM 22° Mostly Cloudy 32% 6 mph NNE 97%
2 AM 21° Partly Cloudy 11% 7 mph N 97%
3 AM 21° Partly Cloudy 12% 7 mph N 98%
4 AM 21° Partly Cloudy 14% 7 mph N 97%
5 AM 21° Partly Cloudy 22% 8 mph N 97%
6 AM 18° Partly Cloudy 23% 8 mph N 95%
7 AM 18° Mostly Cloudy 17% 8 mph N 93%
8 AM 19° Mostly Cloudy 3% 9 mph N 91%
9 AM 20° Partly Cloudy 3% 10 mph N 84%
10 AM 21° Partly Cloudy 3% 11 mph N 78%
11 AM 22° Partly Cloudy 3% 11 mph N 72%
12 PM 23° Partly Cloudy 3% 11 mph N 63%
1 PM 24° Mostly Clear 3% 12 mph N 55%
2 PM 26° Mostly Clear 3% 12 mph N 49%
3 PM 26° Mostly Clear 3% 12 mph N 48%
4 PM 26° Clear 3% 12 mph N 47%
5 PM 25° Clear 3% 12 mph N 46%
6 PM 26° Clear 3% 12 mph N 50%
15-Day Forecast
Today
7/27
Mostly Cloudy
68%
18°
24°
Tue
7/28
Partly Cloudy
32%
18°
27°
Wed
7/29
Clear
3%
16°
27°
Thu
7/30
Mostly Clear
28%
17°
27°
Fri
7/31
Rain
59%
19°
25°
Sat
8/1
Rain
64%
17°
24°
Sun
8/2
Partly Cloudy
21%
16°
26°
Mon
8/3
Partly Cloudy
13%
16°
27°
Tue
8/4
Clear
39%
19°
29°
Wed
8/5
Rain
54%
18°
27°
Thu
8/6
Drizzle
67%
16°
26°
Fri
8/7
Drizzle
60%
18°
26°
Sat
8/8
Drizzle
60%
18°
25°
Sun
8/9
Drizzle
60%
18°
26°
Mon
8/10
Drizzle
60%
18°
26°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 54 Moderate 50 54
Wed 28 Good 28 19
Thu 35 Good 24 35
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 Mon Jul 27, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE569 J/kg
MLCAPE875 J/kg
MUCAPE1511 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear57 kt
0–1 km Shear20 kt
Eff. Shear52 kt
0–1 km SRH193
0–3 km SRH51
Eff. SRH51
Storm Motion265° @ 34 kt
0–1 km EHI0.7
Composite Parameters
Sig. Tornado1.2
STP (eff)0.3
Supercell2.0
K-Index38.6
Thermo & Levels
PWAT1.81 in
0–3 km LR4.5 °C/km
700–500 LR6.5 °C/km
Total Totals50.1
LCL950 hPa
LFC981 hPa
EL277 hPa
Freezing Lvl14,734 ft