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

Ottawa County, Michigan, United States

Last updated: 4:55 PM CDT  ·  Refresh
32°C
Feels like 36°
Clear
▲ 33°  /  ▼ 23°
Wind
15 mph SW
Humidity
58%
Dew Point
22°
Pressure
29.27 inHg
Visibility
9 mi
UV Index
6.8
Cloud Cover
1%
Sunrise
6:08 AM
Sunset
9:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2454 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 9:26PM.

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
78 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
8%
6 PM
33°
7%
7 PM
32°
7%
8 PM
30°
12%
9 PM
29°
19%
10 PM
27°
19%
11 PM
27°
31%
12 AM
26°
31%
1 AM
26°
37%
2 AM
26°
32%
3 AM
24°
44%
4 AM
24°
30%
5 AM
22°
33%
6 AM
23°
34%
7 AM
23°
26%
8 AM
24°
32%
9 AM
26°
17%
10 AM
27°
18%
11 AM
28°
9%
12 PM
30°
9%
1 PM
31°
9%
2 PM
31°
25%
3 PM
32°
26%
4 PM
32°
26%
7-Day Forecast
Today
33° 23°
Clear with a 31% chance of rain.
Thu
32° 23°
Mostly Clear with a 41% chance of rain.
Fri
31° 21°
Partly Cloudy with a 56% chance of rain.
Sat
29° 20°
Overcast with a 45% chance of rain.
Sun
28° 20°
Partly Cloudy with a 45% chance of rain.
Mon
27° 19°
Partly Cloudy with a 29% chance of rain.
Tue
28° 19°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 8% 15 mph SW 58%
6 PM 33° Clear 7% 14 mph SW 62%
7 PM 32° Clear 7% 13 mph SW 66%
8 PM 30° Clear 12% 12 mph SW 69%
9 PM 29° Clear 19% 12 mph SW 72%
10 PM 27° Clear 19% 11 mph SW 75%
11 PM 27° Clear 31% 10 mph SW 78%
12 AM 26° Mostly Clear 31% 10 mph SW 81%
1 AM 26° Mostly Clear 37% 10 mph SW 84%
2 AM 26° Mostly Clear 32% 9 mph SW 86%
3 AM 24° Mostly Clear 44% 8 mph WSW 88%
4 AM 24° Mostly Clear 30% 8 mph WSW 90%
5 AM 22° Mostly Clear 33% 6 mph SW 90%
6 AM 23° Mostly Clear 34% 6 mph SW 89%
7 AM 23° Mostly Clear 26% 7 mph SW 89%
8 AM 24° Mostly Clear 32% 8 mph SW 86%
9 AM 26° Mostly Clear 17% 9 mph SW 82%
10 AM 27° Mostly Clear 18% 10 mph SW 76%
11 AM 28° Mostly Clear 9% 11 mph SW 74%
12 PM 30° Mostly Clear 9% 11 mph WSW 72%
1 PM 31° Mostly Clear 9% 11 mph WSW 71%
2 PM 31° Mostly Clear 25% 11 mph WSW 69%
3 PM 32° Mostly Clear 26% 11 mph WSW 66%
4 PM 32° Mostly Clear 26% 11 mph WSW 64%
15-Day Forecast
Today
7/1
Clear
31%
23°
33°
Thu
7/2
Mostly Clear
41%
23°
32°
Fri
7/3
Partly Cloudy
56%
21°
31°
Sat
7/4
Overcast
45%
20°
29°
Sun
7/5
Partly Cloudy
45%
20°
28°
Mon
7/6
Partly Cloudy
29%
19°
27°
Tue
7/7
Mostly Clear
17%
19°
28°
Wed
7/8
Partly Cloudy
42%
18°
28°
Thu
7/9
Rain
68%
18°
29°
Fri
7/10
Drizzle
68%
18°
29°
Sat
7/11
Drizzle
60%
18°
27°
Sun
7/12
Drizzle
60%
17°
27°
Mon
7/13
Drizzle
60%
18°
27°
Tue
7/14
Drizzle
60%
17°
26°
Wed
7/15
Drizzle
60%
16°
26°
78
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
78 AQI 23.8 µg/m³
O3
Ground-level ozone
67 AQI 61 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 78 Moderate 67 78
Fri 61 Moderate 61 54
Sat 43 Good 42 43
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
SBCAPE1991 J/kg
MLCAPE333 J/kg
MUCAPE1991 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear31 kt
0–1 km Shear10 kt
Eff. Shear31 kt
0–1 km SRH20
0–3 km SRH-81
Eff. SRH-81
Storm Motion230° @ 43 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index9.2
Thermo & Levels
PWAT0.98 in
0–3 km LR6.6 °C/km
700–500 LR7.3 °C/km
Total Totals39.7
LCL854 hPa
LFC991 hPa
EL184 hPa
Freezing Lvl14,639 ft