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

Ionia County, Michigan, United States

Last updated: 4:57 PM CDT  ·  Refresh
33°C
Feels like 37°
Clear
▲ 34°  /  ▼ 23°
Wind
14 mph SW
Humidity
50%
Dew Point
20°
Pressure
29.11 inHg
Visibility
9 mi
UV Index
6.7
Cloud Cover
1%
Sunrise
6:05 AM
Sunset
9:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ionia County is currently clear at 33°C. Precipitation is likely — peak probability 51% around 5 PM. Atmospheric instability is elevated (CAPE up to 2820 J/kg) — isolated convective development possible. Sunrise: 6:05AM · Sunset: 9:22PM.

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
79 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
4%
6 PM
34°
4%
7 PM
33°
4%
8 PM
31°
4%
9 PM
29°
4%
10 PM
28°
4%
11 PM
27°
4%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
23°
5%
6 AM
24°
7%
7 AM
24°
15%
8 AM
26°
15%
9 AM
27°
15%
10 AM
28°
5%
11 AM
29°
5%
12 PM
32°
5%
1 PM
33°
5%
2 PM
33°
25%
3 PM
33°
26%
4 PM
33°
26%
7-Day Forecast
Today
34° 23°
Clear.
Thu
34° 23°
Mostly Clear with a 51% chance of rain.
Fri
33° 22°
Partly Cloudy with a 56% chance of rain.
Sat
30° 20°
Overcast with a 74% chance of rain.
Sun
29° 19°
Drizzle, 50% chance.
Mon
27° 18°
Partly Cloudy with a 29% chance of rain.
Tue
29° 18°
Partly Cloudy with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 4% 14 mph SW 50%
6 PM 34° Clear 4% 12 mph SW 56%
7 PM 33° Clear 4% 11 mph SW 64%
8 PM 31° Clear 4% 10 mph SW 70%
9 PM 29° Clear 4% 9 mph SW 75%
10 PM 28° Mostly Clear 4% 9 mph SW 79%
11 PM 27° Mostly Clear 4% 9 mph SW 81%
12 AM 27° Mostly Clear 3% 9 mph SW 82%
1 AM 26° Mostly Clear 3% 10 mph WSW 84%
2 AM 26° Mostly Clear 3% 9 mph WSW 86%
3 AM 26° Clear 3% 9 mph WSW 88%
4 AM 25° Mostly Clear 3% 8 mph WSW 89%
5 AM 23° Mostly Clear 5% 8 mph WSW 89%
6 AM 24° Mostly Clear 7% 8 mph SW 88%
7 AM 24° Clear 15% 9 mph SW 86%
8 AM 26° Clear 15% 11 mph WSW 81%
9 AM 27° Clear 15% 10 mph WSW 78%
10 AM 28° Clear 5% 11 mph WSW 70%
11 AM 29° Mostly Clear 5% 12 mph WSW 65%
12 PM 32° Partly Cloudy 5% 12 mph WSW 62%
1 PM 33° Partly Cloudy 5% 13 mph WSW 60%
2 PM 33° Partly Cloudy 25% 13 mph WSW 60%
3 PM 33° Partly Cloudy 26% 13 mph WSW 59%
4 PM 33° Mostly Clear 26% 13 mph WSW 58%
15-Day Forecast
Today
7/1
Clear
4%
23°
34°
Thu
7/2
Mostly Clear
51%
23°
34°
Fri
7/3
Partly Cloudy
56%
22°
33°
Sat
7/4
Overcast
74%
20°
30°
Sun
7/5
Drizzle
50%
19°
29°
Mon
7/6
Partly Cloudy
29%
18°
27°
Tue
7/7
Partly Cloudy
28%
18°
29°
Wed
7/8
Mostly Cloudy
69%
18°
30°
Thu
7/9
Partly Cloudy
43%
17°
29°
Fri
7/10
Rain
68%
17°
29°
Sat
7/11
Drizzle
60%
17°
27°
Sun
7/12
Drizzle
60%
16°
28°
Mon
7/13
Drizzle
60%
17°
29°
Tue
7/14
Drizzle
60%
16°
28°
Wed
7/15
Drizzle
60%
16°
28°
79
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
79 AQI 24.3 µg/m³
O3
Ground-level ozone
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 79 Moderate 44 79
Fri 53 Moderate 48 53
Sat 40 Good 40 39
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
SBCAPE1478 J/kg
MLCAPE511 J/kg
MUCAPE1478 J/kg
SBCIN-171 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear28 kt
0–1 km Shear8 kt
Eff. Shear28 kt
0–1 km SRH3
0–3 km SRH-83
Eff. SRH-83
Storm Motion230° @ 39 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index15.6
Thermo & Levels
PWAT1.02 in
0–3 km LR7.1 °C/km
700–500 LR7.2 °C/km
Total Totals42.3
LCL812 hPa
LFC684 hPa
EL200 hPa
Freezing Lvl14,462 ft