Heat Advisory — 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

Mason County, Michigan, United States

Last updated: 6:42 PM CDT  ·  Refresh
27°C
Feels like 28°
Mostly Clear
▲ 32°  /  ▼ 18°
Wind
8 mph NNW
Humidity
57%
Dew Point
18°
Pressure
29.29 inHg
Visibility
3 mi
UV Index
3.9
Cloud Cover
26%
Sunrise
6:16 AM
Sunset
9:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mason County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:16AM · Sunset: 9:25PM.

Alerts

Heat Advisory
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
191 AQI · Unhealthy Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
8 PM
27°
29%
9 PM
26°
29%
10 PM
24°
21%
11 PM
23°
21%
12 AM
22°
21%
1 AM
22°
15%
2 AM
21°
3%
3 AM
20°
3%
4 AM
19°
3%
5 AM
19°
3%
6 AM
18°
3%
7 AM
18°
3%
8 AM
20°
3%
9 AM
22°
3%
10 AM
24°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
27°
3%
2 PM
29°
3%
3 PM
29°
3%
4 PM
29°
3%
5 PM
28°
3%
6 PM
29°
3%
7-Day Forecast
Tonight
32° 18°
Mostly Clear with a 21% chance of rain.
Thu
29° 18°
Mostly Clear.
Fri
31° 19°
Partly Cloudy with a 30% chance of rain.
Sat
27° 15°
Rain, 69% chance.
Sun
26° 14°
Partly Cloudy with a 33% chance of rain.
Mon
26° 16°
Rain, 90% chance.
Tue
25° 14°
Mostly Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 11% 8 mph NNW 57%
8 PM 27° Clear 29% 7 mph N 58%
9 PM 26° Clear 29% 6 mph NNE 60%
10 PM 24° Clear 21% 6 mph NNE 60%
11 PM 23° Mostly Clear 21% 5 mph NNE 61%
12 AM 22° Mostly Clear 21% 5 mph NE 62%
1 AM 22° Partly Cloudy 15% 4 mph NE 63%
2 AM 21° Partly Cloudy 3% 4 mph NE 64%
3 AM 20° Mostly Clear 3% 3 mph NNE 66%
4 AM 19° Mostly Clear 3% 3 mph NNE 68%
5 AM 19° Haze 3% 3 mph NNE 70%
6 AM 18° Haze 3% 3 mph NNE 72%
7 AM 18° Clear 3% 2 mph NE 72%
8 AM 20° Clear 3% 3 mph NNE 67%
9 AM 22° Clear 3% 3 mph NNE 61%
10 AM 24° Clear 3% 4 mph N 54%
11 AM 26° Clear 3% 4 mph N 50%
12 PM 27° Mostly Clear 3% 5 mph NNW 46%
1 PM 27° Mostly Clear 3% 5 mph NNW 43%
2 PM 29° Mostly Clear 3% 6 mph NNW 42%
3 PM 29° Mostly Clear 3% 6 mph NNW 42%
4 PM 29° Partly Cloudy 3% 6 mph NNW 42%
5 PM 28° Partly Cloudy 3% 6 mph NNW 45%
6 PM 29° Partly Cloudy 3% 6 mph NNW 50%
15-Day Forecast
Today
7/15
Mostly Clear
21%
18°
32°
Thu
7/16
Mostly Clear
15%
18°
29°
Fri
7/17
Partly Cloudy
30%
19°
31°
Sat
7/18
Rain
69%
15°
27°
Sun
7/19
Partly Cloudy
33%
14°
26°
Mon
7/20
Rain
90%
16°
26°
Tue
7/21
Mostly Clear
52%
14°
25°
Wed
7/22
Clear
8%
13°
24°
Thu
7/23
Clear
44%
14°
26°
Fri
7/24
Rain
68%
16°
27°
Sat
7/25
Drizzle
51%
17°
23°
Sun
7/26
Drizzle
60%
18°
26°
Mon
7/27
Drizzle
60%
18°
26°
Tue
7/28
Drizzle
60%
18°
26°
Wed
7/29
Drizzle
60%
18°
26°
191
Unhealthy
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Some members of the general public may experience health effects; sensitive groups may experience more serious effects.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
191 AQI 113.1 µg/m³
O3
Ground-level ozone
58 AQI 57 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 191 Unhealthy 58 191
Fri 500 Hazardous 48 500
Sat 451 Hazardous 108 451
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 15, 22:00'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
SBCAPE16 J/kg
MLCAPE10 J/kg
MUCAPE16 J/kg
SBCIN-620 J/kg
MLCIN0 J/kg
Lifted Index1.0
Kinematics
0–6 km Shear40 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH-36
0–3 km SRH-78
Eff. SRH—
Storm Motion267° @ 24 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index9.5
Thermo & Levels
PWAT0.92 in
0–3 km LR5.4 °C/km
700–500 LR6.2 °C/km
Total Totals37.3
LCL862 hPa
LFC463 hPa
EL397 hPa
Freezing Lvl15,696 ft