Beach Hazards Statement — Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI 10:00 PM

Mason County, Michigan, United States

Last updated: 10:57 AM CDT  ·  Refresh
23°C
Feels like 22°
Rain
▲ 24°  /  ▼ 13°
Wind
14 mph NW
Humidity
71%
Dew Point
18°
Pressure
28.89 inHg
Visibility
10 mi
UV Index
7.0
Cloud Cover
65%
Sunrise
6:21 AM
Sunset
9:20 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Mason County is currently rain at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 554 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 9:20PM.

Alerts

Beach Hazards Statement
Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI
Expires 10:00 PM
33 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
47%
12 PM
21°
40%
1 PM
23°
27%
2 PM
22°
31%
3 PM
21°
39%
4 PM
19°
18%
5 PM
19°
33%
6 PM
18°
3%
7 PM
18°
3%
8 PM
17°
3%
9 PM
16°
3%
10 PM
15°
3%
11 PM
15°
3%
12 AM
16°
3%
1 AM
15°
3%
2 AM
14°
3%
3 AM
14°
3%
4 AM
14°
3%
5 AM
13°
3%
6 AM
13°
3%
7 AM
14°
3%
8 AM
14°
3%
9 AM
17°
3%
10 AM
18°
3%
7-Day Forecast
Today
24° 13°
Rain, 47% chance.
Wed
22° 13°
Clear.
Thu
25° 13°
Clear.
Fri
26° 15°
Partly Cloudy.
Sat
26° 15°
Clear.
Sun
30° 19°
Rain, 42% chance.
Mon
28° 16°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Rain 47% 14 mph NW 71%
12 PM 21° Mostly Cloudy 40% 14 mph NW 72%
1 PM 23° Partly Cloudy 27% 15 mph NW 73%
2 PM 22° Mostly Cloudy 31% 15 mph NNW 73%
3 PM 21° Partly Cloudy 39% 17 mph NNW 79%
4 PM 19° Mostly Cloudy 18% 18 mph N 78%
5 PM 19° Mostly Cloudy 33% 18 mph N 77%
6 PM 18° Partly Cloudy 3% 18 mph N 74%
7 PM 18° Partly Cloudy 3% 18 mph NNW 70%
8 PM 17° Partly Cloudy 3% 17 mph NNW 71%
9 PM 16° Partly Cloudy 3% 15 mph N 73%
10 PM 15° Partly Cloudy 3% 14 mph NNW 74%
11 PM 15° Mostly Cloudy 3% 12 mph NNW 72%
12 AM 16° Mostly Cloudy 3% 11 mph NNW 71%
1 AM 15° Mostly Cloudy 3% 10 mph NNW 70%
2 AM 14° Mostly Cloudy 3% 10 mph NNW 72%
3 AM 14° Mostly Cloudy 3% 9 mph NNW 74%
4 AM 14° Mostly Cloudy 3% 8 mph N 76%
5 AM 13° Partly Cloudy 3% 8 mph NNW 74%
6 AM 13° Partly Cloudy 3% 8 mph NNW 73%
7 AM 14° Partly Cloudy 3% 8 mph NNW 71%
8 AM 14° Partly Cloudy 3% 9 mph NNW 67%
9 AM 17° Partly Cloudy 3% 10 mph NNW 62%
10 AM 18° Mostly Clear 3% 11 mph NNW 57%
15-Day Forecast
Today
7/21
Rain
47%
13°
24°
Wed
7/22
Clear
3%
13°
22°
Thu
7/23
Clear
3%
13°
25°
Fri
7/24
Partly Cloudy
3%
15°
26°
Sat
7/25
Clear
16%
15°
26°
Sun
7/26
Rain
42%
19°
30°
Mon
7/27
Rain
28%
16°
28°
Tue
7/28
Clear
18%
14°
27°
Wed
7/29
Clear
19%
14°
27°
Thu
7/30
Rain
50%
15°
30°
Fri
7/31
Clear
50%
18°
26°
Sat
8/1
Drizzle
60%
18°
26°
Sun
8/2
Drizzle
60%
18°
26°
Mon
8/3
Clear
60%
18°
26°
Tue
8/4
Drizzle
60%
17°
26°
33
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
32 AQI 5.8 µg/m³
O3
Ground-level ozone
Dominant
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 33 Good 33 32
Thu 22 Good 22 12
Fri 28 Good 28 9
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 21, 14:00'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
SBCAPE851 J/kg
MLCAPE448 J/kg
MUCAPE851 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear35 kt
0–1 km Shear7 kt
Eff. Shear29 kt
0–1 km SRH-40
0–3 km SRH-46
Eff. SRH-46
Storm Motion270° @ 34 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.5
Thermo & Levels
PWAT1.34 in
0–3 km LR6.5 °C/km
700–500 LR5.9 °C/km
Total Totals46.0
LCL898 hPa
LFC978 hPa
EL258 hPa
Freezing Lvl11,827 ft