Excessive Heat Watch 7:00 PM Excessive Heat Warning — 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

Montcalm County, Michigan, United States

Last updated: 4:57 PM CDT  ·  Refresh
33°C
Feels like 36°
Clear
▲ 33°  /  ▼ 23°
Wind
15 mph SW
Humidity
51%
Dew Point
20°
Pressure
28.98 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
2%
Sunrise
6:04 AM
Sunset
9:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montcalm County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2473 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 9:24PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
Excessive Heat Warning
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
80 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
4%
6 PM
33°
4%
7 PM
32°
7%
8 PM
30°
4%
9 PM
29°
9%
10 PM
28°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
26°
7%
2 AM
25°
7%
3 AM
25°
8%
4 AM
24°
8%
5 AM
23°
10%
6 AM
23°
12%
7 AM
24°
12%
8 AM
26°
15%
9 AM
27°
5%
10 AM
28°
7%
11 AM
29°
14%
12 PM
31°
14%
1 PM
32°
14%
2 PM
32°
24%
3 PM
33°
34%
4 PM
33°
35%
7-Day Forecast
Today
33° 23°
Clear.
Thu
34° 23°
Mostly Clear with a 50% chance of rain.
Fri
32° 22°
Partly Cloudy with a 65% chance of rain.
Sat
31° 19°
Overcast with a 58% chance of rain.
Sun
29° 18°
Drizzle, 50% chance.
Mon
27° 18°
Partly Cloudy with a 29% chance of rain.
Tue
30° 18°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 4% 15 mph SW 51%
6 PM 33° Clear 4% 13 mph SW 54%
7 PM 32° Clear 7% 12 mph SW 62%
8 PM 30° Clear 4% 10 mph SW 67%
9 PM 29° Clear 9% 10 mph SW 71%
10 PM 28° Clear 9% 9 mph SW 75%
11 PM 27° Mostly Clear 9% 9 mph SW 77%
12 AM 27° Mostly Clear 9% 10 mph WSW 78%
1 AM 26° Mostly Clear 7% 10 mph WSW 80%
2 AM 25° Mostly Clear 7% 10 mph WSW 83%
3 AM 25° Mostly Clear 8% 10 mph WSW 86%
4 AM 24° Mostly Clear 8% 8 mph WSW 91%
5 AM 23° Partly Cloudy 10% 8 mph WSW 91%
6 AM 23° Mostly Clear 12% 8 mph WSW 90%
7 AM 24° Mostly Clear 12% 10 mph SW 88%
8 AM 26° Mostly Clear 15% 11 mph WSW 82%
9 AM 27° Mostly Clear 5% 10 mph WSW 76%
10 AM 28° Mostly Clear 7% 11 mph WSW 68%
11 AM 29° Mostly Clear 14% 12 mph WSW 65%
12 PM 31° Partly Cloudy 14% 12 mph WSW 64%
1 PM 32° Partly Cloudy 14% 12 mph WSW 63%
2 PM 32° Partly Cloudy 24% 12 mph WSW 62%
3 PM 33° Mostly Clear 34% 13 mph WSW 61%
4 PM 33° Mostly Clear 35% 13 mph WSW 59%
15-Day Forecast
Today
7/1
Clear
9%
23°
33°
Thu
7/2
Mostly Clear
50%
23°
34°
Fri
7/3
Partly Cloudy
65%
22°
32°
Sat
7/4
Overcast
58%
19°
31°
Sun
7/5
Drizzle
50%
18°
29°
Mon
7/6
Partly Cloudy
29%
18°
27°
Tue
7/7
Mostly Clear
17%
18°
30°
Wed
7/8
Mostly Cloudy
69%
17°
31°
Thu
7/9
Mostly Clear
43%
17°
30°
Fri
7/10
Rain
68%
17°
28°
Sat
7/11
Drizzle
60%
16°
28°
Sun
7/12
Drizzle
60%
16°
29°
Mon
7/13
Drizzle
60%
17°
29°
Tue
7/14
Drizzle
60%
16°
28°
Wed
7/15
Drizzle
60%
15°
28°
80
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
80 AQI 25.0 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 80 Moderate 50 80
Fri 50 Good 45 50
Sat 40 Good 40 37
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 1, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1412 J/kg
MLCAPE760 J/kg
MUCAPE1412 J/kg
SBCIN-151 J/kg
MLCIN0 J/kg
Lifted Index-5.3
Kinematics
0–6 km Shear28 kt
0–1 km Shear9 kt
Eff. Shear28 kt
0–1 km SRH9
0–3 km SRH-79
Eff. SRH-79
Storm Motion229° @ 41 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index16.1
Thermo & Levels
PWAT1.04 in
0–3 km LR7.2 °C/km
700–500 LR7.0 °C/km
Total Totals43.7
LCL813 hPa
LFC689 hPa
EL204 hPa
Freezing Lvl14,403 ft