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

Allegan County, Michigan, United States

Last updated: 10:58 AM CDT  ·  Refresh
27°C
Feels like 24°
Mostly Clear
▲ 27°  /  ▼ 11°
Wind
15 mph WNW
Humidity
58%
Dew Point
18°
Pressure
28.85 inHg
Visibility
10 mi
UV Index
8.9
Cloud Cover
19%
Sunrise
6:24 AM
Sunset
9:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Allegan County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 746 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 9:14PM.

Alerts

Beach Hazards Statement
Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI
Expires 10:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
18%
12 PM
25°
16%
1 PM
25°
23%
2 PM
25°
42%
3 PM
26°
13%
4 PM
26°
13%
5 PM
26°
18%
6 PM
25°
18%
7 PM
23°
3%
8 PM
21°
3%
9 PM
19°
3%
10 PM
17°
3%
11 PM
16°
3%
12 AM
15°
3%
1 AM
14°
3%
2 AM
13°
3%
3 AM
13°
3%
4 AM
13°
3%
5 AM
12°
3%
6 AM
12°
3%
7 AM
13°
3%
8 AM
14°
3%
9 AM
17°
3%
10 AM
18°
3%
7-Day Forecast
Today
27° 11°
Mostly Clear with a 42% chance of rain.
Wed
23° 11°
Clear.
Thu
27° 12°
Mostly Clear.
Fri
27° 14°
Mostly Cloudy.
Sat
28° 14°
Clear with a 29% chance of rain.
Sun
33° 19°
Thunderstorm, 29% chance.
Mon
31° 17°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 18% 15 mph WNW 58%
12 PM 25° Partly Cloudy 16% 17 mph WNW 57%
1 PM 25° Mostly Cloudy 23% 18 mph WNW 61%
2 PM 25° Partly Cloudy 42% 18 mph WNW 58%
3 PM 26° Partly Cloudy 13% 18 mph NW 56%
4 PM 26° Mostly Clear 13% 18 mph NW 56%
5 PM 26° Mostly Clear 18% 17 mph NW 59%
6 PM 25° Mostly Clear 18% 16 mph NW 65%
7 PM 23° Mostly Clear 3% 16 mph NNW 66%
8 PM 21° Mostly Clear 3% 15 mph NNW 67%
9 PM 19° Partly Cloudy 3% 14 mph NNW 68%
10 PM 17° Mostly Cloudy 3% 13 mph N 68%
11 PM 16° Mostly Clear 3% 12 mph NNW 71%
12 AM 15° Mostly Clear 3% 10 mph NNW 74%
1 AM 14° Clear 3% 9 mph NNW 77%
2 AM 13° Clear 3% 8 mph NNW 78%
3 AM 13° Clear 3% 8 mph NNW 77%
4 AM 13° Clear 3% 7 mph NNW 77%
5 AM 12° Clear 3% 7 mph NNW 76%
6 AM 12° Clear 3% 8 mph NNW 74%
7 AM 13° Clear 3% 8 mph NNW 74%
8 AM 14° Clear 3% 8 mph NNW 68%
9 AM 17° Clear 3% 9 mph NNW 61%
10 AM 18° Clear 3% 9 mph NNW 55%
15-Day Forecast
Today
7/21
Mostly Clear
42%
11°
27°
Wed
7/22
Clear
3%
11°
23°
Thu
7/23
Mostly Clear
3%
12°
27°
Fri
7/24
Mostly Cloudy
3%
14°
27°
Sat
7/25
Clear
29%
14°
28°
Sun
7/26
Thunderstorm
29%
19°
33°
Mon
7/27
Rain
28%
17°
31°
Tue
7/28
Clear
18%
15°
28°
Wed
7/29
Clear
19%
14°
28°
Thu
7/30
Rain
44%
16°
30°
Fri
7/31
Drizzle
60%
17°
29°
Sat
8/1
Clear
60%
16°
29°
Sun
8/2
Clear
60%
17°
29°
Mon
8/3
Clear
60%
16°
29°
Tue
8/4
Drizzle
60%
16°
29°
41
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
41 AQI 7.3 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 41 Good 38 41
Thu 30 Good 30 9
Fri 38 Good 38 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 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1187 J/kg
MLCAPE735 J/kg
MUCAPE1187 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear37 kt
0–1 km Shear10 kt
Eff. Shear33 kt
0–1 km SRH-60
0–3 km SRH-145
Eff. SRH-145
Storm Motion262° @ 41 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.9
Thermo & Levels
PWAT1.26 in
0–3 km LR7.4 °C/km
700–500 LR5.4 °C/km
Total Totals45.5
LCL859 hPa
LFC977 hPa
EL255 hPa
Freezing Lvl12,933 ft