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

Calhoun County, Michigan, United States

Last updated: 6:41 PM CDT  ·  Refresh
31°C
Feels like 36°
Clear
▲ 33°  /  ▼ 19°
Wind
8 mph W
Humidity
65%
Dew Point
23°
Pressure
29.01 inHg
Visibility
10 mi
UV Index
3.7
Cloud Cover
8%
Sunrise
6:17 AM
Sunset
9:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calhoun County is currently clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2160 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 9:14PM.

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
60 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
11%
8 PM
30°
29%
9 PM
28°
29%
10 PM
27°
21%
11 PM
26°
14%
12 AM
25°
14%
1 AM
23°
7%
2 AM
22°
3%
3 AM
21°
3%
4 AM
21°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
19°
3%
8 AM
21°
3%
9 AM
23°
3%
10 AM
25°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
30°
3%
2 PM
31°
3%
3 PM
31°
3%
4 PM
31°
3%
5 PM
32°
3%
6 PM
31°
3%
7-Day Forecast
Tonight
33° 19°
Clear with a 21% chance of rain.
Thu
32° 19°
Mostly Clear.
Fri
32° 20°
Mostly Clear with a 37% chance of rain.
Sat
32° 16°
Drizzle, 54% chance.
Sun
26° 14°
Mostly Clear.
Mon
27° 14°
Rain, 90% chance.
Tue
27° 13°
Partly Cloudy with a 70% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 11% 8 mph W 65%
8 PM 30° Mostly Clear 29% 7 mph W 69%
9 PM 28° Mostly Clear 29% 6 mph WNW 73%
10 PM 27° Mostly Clear 21% 5 mph WNW 78%
11 PM 26° Mostly Clear 14% 5 mph NW 78%
12 AM 25° Partly Cloudy 14% 5 mph NNW 77%
1 AM 23° Partly Cloudy 7% 5 mph N 75%
2 AM 22° Mostly Cloudy 3% 5 mph N 72%
3 AM 21° Partly Cloudy 3% 5 mph N 71%
4 AM 21° Partly Cloudy 3% 5 mph NNE 71%
5 AM 19° Partly Cloudy 3% 5 mph NNE 71%
6 AM 19° Partly Cloudy 3% 5 mph NNE 72%
7 AM 19° Partly Cloudy 3% 5 mph NE 72%
8 AM 21° Mostly Clear 3% 5 mph NE 68%
9 AM 23° Mostly Clear 3% 5 mph NE 61%
10 AM 25° Mostly Clear 3% 5 mph NE 55%
11 AM 27° Clear 3% 5 mph NE 49%
12 PM 28° Clear 3% 5 mph NNE 45%
1 PM 30° Clear 3% 5 mph NNE 41%
2 PM 31° Clear 3% 4 mph NNE 40%
3 PM 31° Clear 3% 4 mph NNE 40%
4 PM 31° Clear 3% 4 mph NNE 40%
5 PM 32° Clear 3% 4 mph NNE 43%
6 PM 31° Clear 3% 4 mph NE 48%
15-Day Forecast
Today
7/15
Clear
21%
19°
33°
Thu
7/16
Mostly Clear
7%
19°
32°
Fri
7/17
Mostly Clear
37%
20°
32°
Sat
7/18
Drizzle
54%
16°
32°
Sun
7/19
Mostly Clear
19%
14°
26°
Mon
7/20
Rain
90%
14°
27°
Tue
7/21
Partly Cloudy
70%
13°
27°
Wed
7/22
Mostly Clear
17%
13°
26°
Thu
7/23
Overcast
43%
13°
27°
Fri
7/24
Rain
68%
16°
27°
Sat
7/25
Drizzle
51%
17°
27°
Sun
7/26
Drizzle
60%
17°
28°
Mon
7/27
Drizzle
60%
17°
28°
Tue
7/28
Drizzle
60%
17°
28°
Wed
7/29
Drizzle
60%
17°
28°
60
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
60 AQI 14.1 µg/m³
O3
Ground-level ozone
51 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 60 Moderate 51 60
Fri 265 Very Unhealthy 87 265
Sat 238 Very Unhealthy 71 238
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2813 J/kg
MLCAPE2209 J/kg
MUCAPE2813 J/kg
SBCIN-128 J/kg
MLCIN0 J/kg
Lifted Index-5.3
Kinematics
0–6 km Shear21 kt
0–1 km Shear3 kt
Eff. Shear26 kt
0–1 km SRH-11
0–3 km SRH-110
Eff. SRH-110
Storm Motion255° @ 23 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index17.7
Thermo & Levels
PWAT1.40 in
0–3 km LR6.1 °C/km
700–500 LR6.6 °C/km
Total Totals46.5
LCL875 hPa
LFC703 hPa
EL152 hPa
Freezing Lvl15,538 ft