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: 3:41 PM CDT  ·  Refresh
33°C
Feels like 37°
Clear
▲ 34°  /  ▼ 23°
Wind
16 mph SW
Humidity
51%
Dew Point
21°
Pressure
28.98 inHg
Visibility
10 mi
UV Index
8.1
Cloud Cover
4%
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 2213 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%
5 PM
34°
4%
6 PM
33°
4%
7 PM
32°
7%
8 PM
31°
7%
9 PM
29°
9%
10 PM
28°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
26°
7%
2 AM
25°
8%
3 AM
24°
21%
4 AM
24°
8%
5 AM
23°
10%
6 AM
23°
10%
7 AM
24°
5%
8 AM
25°
5%
9 AM
26°
5%
10 AM
27°
5%
11 AM
29°
5%
12 PM
29°
5%
1 PM
31°
5%
2 PM
31°
16%
3 PM
31°
26%
7-Day Forecast
Today
34° 23°
Clear.
Thu
34° 23°
Mostly Clear with a 34% chance of rain.
Fri
33° 22°
Mostly Clear with a 70% chance of rain.
Sat
31° 21°
Mostly Cloudy with a 67% chance of rain.
Sun
30° 18°
Drizzle, 51% chance.
Mon
27° 18°
Rain, 29% chance.
Tue
30° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 4% 16 mph SW 51%
5 PM 34° Clear 4% 16 mph WSW 50%
6 PM 33° Clear 4% 14 mph WSW 55%
7 PM 32° Clear 7% 12 mph SW 61%
8 PM 31° Clear 7% 11 mph SW 65%
9 PM 29° Clear 9% 10 mph SW 69%
10 PM 28° Clear 9% 10 mph SW 73%
11 PM 27° Clear 9% 10 mph SW 76%
12 AM 27° Clear 9% 10 mph SW 78%
1 AM 26° Mostly Clear 7% 10 mph WSW 80%
2 AM 25° Mostly Clear 8% 10 mph WSW 83%
3 AM 24° Partly Cloudy 21% 8 mph WSW 86%
4 AM 24° Mostly Clear 8% 8 mph WSW 90%
5 AM 23° Mostly Clear 10% 8 mph WSW 90%
6 AM 23° Mostly Clear 10% 9 mph SW 89%
7 AM 24° Clear 5% 11 mph SW 88%
8 AM 25° Mostly Clear 5% 11 mph SW 83%
9 AM 26° Mostly Clear 5% 12 mph WSW 77%
10 AM 27° Mostly Clear 5% 13 mph WSW 71%
11 AM 29° Mostly Clear 5% 13 mph WSW 69%
12 PM 29° Mostly Clear 5% 13 mph WSW 67%
1 PM 31° Mostly Clear 5% 13 mph WSW 66%
2 PM 31° Mostly Clear 16% 13 mph WSW 65%
3 PM 31° Mostly Clear 26% 13 mph WSW 64%
15-Day Forecast
Today
7/1
Clear
9%
23°
34°
Thu
7/2
Mostly Clear
34%
23°
34°
Fri
7/3
Mostly Clear
70%
22°
33°
Sat
7/4
Mostly Cloudy
67%
21°
31°
Sun
7/5
Drizzle
51%
18°
30°
Mon
7/6
Rain
29%
18°
27°
Tue
7/7
Clear
17%
18°
30°
Wed
7/8
Drizzle
42%
17°
31°
Thu
7/9
Rain
68%
17°
31°
Fri
7/10
Rain
68%
17°
29°
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%
16°
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, 19:00'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
SBCAPE2390 J/kg
MLCAPE1819 J/kg
MUCAPE2390 J/kg
SBCIN-0 J/kg
MLCIN-0 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear29 kt
0–1 km Shear6 kt
Eff. Shear26 kt
0–1 km SRH-0
0–3 km SRH-90
Eff. SRH-90
Storm Motion225° @ 39 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index20.6
Thermo & Levels
PWAT1.25 in
0–3 km LR7.4 °C/km
700–500 LR7.1 °C/km
Total Totals46.8
LCL823 hPa
LFC969 hPa
EL168 hPa
Freezing Lvl14,301 ft