Beach Hazards Statement — Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI 1:00 AM

Mason County, Michigan, United States

Last updated: 9:34 PM CDT  ·  Refresh
22°C
Feels like 24°
Mostly Cloudy
▲ 25°  /  ▼ 17°
Wind
5 mph W
Humidity
97%
Dew Point
21°
Pressure
28.93 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
73%
Sunrise
6:28 AM
Sunset
9:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mason County is currently mostly cloudy at 22°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 706 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 9:14PM.

Alerts

Beach Hazards Statement
Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI
Expires 1:00 AM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
26%
11 PM
22°
19%
12 AM
22°
34%
1 AM
22°
26%
2 AM
21°
3%
3 AM
20°
3%
4 AM
19°
3%
5 AM
19°
17%
6 AM
17°
3%
7 AM
17°
3%
8 AM
18°
3%
9 AM
19°
3%
10 AM
21°
3%
11 AM
22°
3%
12 PM
23°
3%
1 PM
24°
3%
2 PM
24°
3%
3 PM
24°
3%
4 PM
24°
3%
5 PM
23°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
24°
3%
9 PM
23°
3%
7-Day Forecast
Tonight
25° 17°
Mostly Cloudy with a 26% chance of rain.
Tue
25° 16°
Mostly Clear with a 26% chance of rain.
Wed
26° 14°
Clear.
Thu
27° 16°
Clear with a 28% chance of rain.
Fri
25° 18°
Rain, 64% chance.
Sat
28° 17°
Drizzle, 51% chance.
Sun
25° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 22° Mostly Cloudy 26% 5 mph W 97%
11 PM 22° Mostly Cloudy 19% 5 mph NNW 97%
12 AM 22° Mostly Cloudy 34% 6 mph N 96%
1 AM 22° Overcast 26% 8 mph N 96%
2 AM 21° Mostly Cloudy 3% 9 mph N 96%
3 AM 20° Partly Cloudy 3% 9 mph N 96%
4 AM 19° Partly Cloudy 3% 9 mph N 96%
5 AM 19° Mostly Cloudy 17% 9 mph N 95%
6 AM 17° Mostly Cloudy 3% 9 mph N 94%
7 AM 17° Mostly Cloudy 3% 9 mph N 93%
8 AM 18° Partly Cloudy 3% 10 mph N 88%
9 AM 19° Mostly Clear 3% 11 mph N 80%
10 AM 21° Mostly Clear 3% 12 mph N 71%
11 AM 22° Clear 3% 13 mph N 62%
12 PM 23° Clear 3% 14 mph N 54%
1 PM 24° Clear 3% 14 mph N 46%
2 PM 24° Clear 3% 14 mph N 44%
3 PM 24° Clear 3% 15 mph N 44%
4 PM 24° Clear 3% 15 mph N 45%
5 PM 23° Clear 3% 15 mph N 47%
6 PM 25° Clear 3% 14 mph N 50%
7 PM 24° Clear 3% 13 mph N 52%
8 PM 24° Clear 3% 12 mph N 55%
9 PM 23° Clear 3% 11 mph N 59%
15-Day Forecast
Today
7/27
Mostly Cloudy
26%
17°
25°
Tue
7/28
Mostly Clear
26%
16°
25°
Wed
7/29
Clear
7%
14°
26°
Thu
7/30
Clear
28%
16°
27°
Fri
7/31
Rain
64%
18°
25°
Sat
8/1
Drizzle
51%
17°
28°
Sun
8/2
Clear
17%
15°
25°
Mon
8/3
Clear
17%
14°
27°
Tue
8/4
Drizzle
44%
16°
27°
Wed
8/5
Drizzle
68%
18°
28°
Thu
8/6
Drizzle
64%
15°
28°
Fri
8/7
Drizzle
60%
17°
28°
Sat
8/8
Drizzle
60%
18°
22°
Sun
8/9
Drizzle
60%
17°
22°
Mon
8/10
Drizzle
60%
17°
22°
55
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
55 AQI 11.0 µg/m³
O3
Ground-level ozone
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 48 55
Wed 23 Good 23 23
Thu 31 Good 22 31
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 Tue Jul 28, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE431 J/kg
MLCAPE785 J/kg
MUCAPE1602 J/kg
SBCIN-176 J/kg
MLCIN0 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear57 kt
0–1 km Shear15 kt
Eff. Shear49 kt
0–1 km SRH22
0–3 km SRH20
Eff. SRH20
Storm Motion278° @ 31 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.8
K-Index32.4
Thermo & Levels
PWAT1.58 in
0–3 km LR4.4 °C/km
700–500 LR6.4 °C/km
Total Totals52.1
LCL967 hPa
LFC593 hPa
EL284 hPa
Freezing Lvl14,682 ft