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

Ionia County, Michigan, United States

Last updated: 6:44 PM CDT  ·  Refresh
32°C
Feels like 37°
Mostly Clear
▲ 34°  /  ▼ 18°
Wind
11 mph W
Humidity
65%
Dew Point
23°
Pressure
29.14 inHg
Visibility
10 mi
UV Index
3.7
Cloud Cover
12%
Sunrise
6:15 AM
Sunset
9:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ionia County is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2973 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 9:17PM.

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
102 AQI · Unhealthy for Sensitive Groups Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
32%
8 PM
31°
42%
9 PM
28°
41%
10 PM
27°
14%
11 PM
26°
14%
12 AM
24°
14%
1 AM
22°
7%
2 AM
21°
3%
3 AM
20°
3%
4 AM
19°
3%
5 AM
18°
3%
6 AM
18°
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
32°
3%
3 PM
32°
3%
4 PM
32°
3%
5 PM
33°
3%
6 PM
32°
3%
7-Day Forecast
Tonight
34° 18°
Mostly Clear with a 32% chance of rain.
Thu
33° 18°
Mostly Clear.
Fri
33° 19°
Mostly Clear with a 37% chance of rain.
Sat
31° 16°
Drizzle, 54% chance.
Sun
27° 13°
Partly Cloudy.
Mon
28° 14°
Rain, 90% chance.
Tue
27° 13°
Partly Cloudy with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 32% 11 mph W 65%
8 PM 31° Rain 42% 6 mph WNW 63%
9 PM 28° Partly Cloudy 41% 4 mph NNW 61%
10 PM 27° Partly Cloudy 14% 5 mph NNE 59%
11 PM 26° Partly Cloudy 14% 6 mph NNE 59%
12 AM 24° Partly Cloudy 14% 6 mph NNE 59%
1 AM 22° Mostly Cloudy 7% 6 mph NNE 61%
2 AM 21° Mostly Cloudy 3% 5 mph NNE 63%
3 AM 20° Mostly Cloudy 3% 5 mph NNE 64%
4 AM 19° Partly Cloudy 3% 5 mph NNE 66%
5 AM 18° Partly Cloudy 3% 4 mph NNE 67%
6 AM 18° Mostly Clear 3% 4 mph NNE 68%
7 AM 19° Mostly Clear 3% 4 mph NNE 68%
8 AM 21° Clear 3% 4 mph NNE 62%
9 AM 23° Clear 3% 4 mph NNE 54%
10 AM 25° Clear 3% 4 mph NNE 47%
11 AM 27° Clear 3% 4 mph NNE 44%
12 PM 28° Clear 3% 4 mph NNE 42%
1 PM 30° Clear 3% 4 mph NNE 40%
2 PM 32° Clear 3% 4 mph N 39%
3 PM 32° Mostly Clear 3% 3 mph N 39%
4 PM 32° Mostly Clear 3% 3 mph N 38%
5 PM 33° Mostly Clear 3% 3 mph NNE 42%
6 PM 32° Mostly Clear 3% 3 mph NE 46%
15-Day Forecast
Today
7/15
Mostly Clear
32%
18°
34°
Thu
7/16
Mostly Clear
7%
18°
33°
Fri
7/17
Mostly Clear
37%
19°
33°
Sat
7/18
Drizzle
54%
16°
31°
Sun
7/19
Partly Cloudy
7%
13°
27°
Mon
7/20
Rain
90%
14°
28°
Tue
7/21
Partly Cloudy
52%
13°
27°
Wed
7/22
Mostly Clear
3%
13°
27°
Thu
7/23
Mostly Clear
18%
13°
29°
Fri
7/24
Rain
68%
16°
29°
Sat
7/25
Drizzle
51%
16°
27°
Sun
7/26
Drizzle
60%
17°
29°
Mon
7/27
Drizzle
60%
16°
29°
Tue
7/28
Drizzle
60%
16°
29°
Wed
7/29
Drizzle
60%
17°
29°
102
Unhealthy for Sensitive Groups
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Members of sensitive groups may experience health effects; the general public is less likely to be affected.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
102 AQI 36.1 µg/m³
O3
Ground-level ozone
74 AQI 63 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 102 Unhealthy for Sensitive Groups 74 102
Fri 500 Hazardous 50 500
Sat 276 Very Unhealthy 90 276
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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3332 J/kg
MLCAPE3128 J/kg
MUCAPE3332 J/kg
SBCIN-77 J/kg
MLCIN0 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear30 kt
0–1 km Shear5 kt
Eff. Shear33 kt
0–1 km SRH-20
0–3 km SRH-102
Eff. SRH-102
Storm Motion264° @ 26 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.4
Thermo & Levels
PWAT1.71 in
0–3 km LR6.5 °C/km
700–500 LR6.4 °C/km
Total Totals49.9
LCL877 hPa
LFC822 hPa
EL148 hPa
Freezing Lvl15,397 ft