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: 3:40 PM CDT  ·  Refresh
34°C
Feels like 37°
Clear
▲ 34°  /  ▼ 23°
Wind
15 mph SW
Humidity
48%
Dew Point
21°
Pressure
29.11 inHg
Visibility
10 mi
UV Index
8.1
Cloud Cover
0%
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 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2566 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
34°
4%
5 PM
33°
4%
6 PM
34°
4%
7 PM
33°
4%
8 PM
31°
4%
9 PM
30°
4%
10 PM
28°
4%
11 PM
27°
4%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
24°
3%
5 AM
24°
5%
6 AM
23°
5%
7 AM
24°
5%
8 AM
25°
5%
9 AM
26°
5%
10 AM
28°
5%
11 AM
30°
5%
12 PM
31°
5%
1 PM
31°
5%
2 PM
32°
22%
3 PM
32°
26%
7-Day Forecast
Today
34° 23°
Clear.
Thu
34° 23°
Mostly Clear with a 47% chance of rain.
Fri
33° 22°
Partly Cloudy with a 55% chance of rain.
Sat
31° 22°
Partly Cloudy with a 76% chance of rain.
Sun
29° 19°
Drizzle, 65% chance.
Mon
28° 18°
Rain, 29% chance.
Tue
29° 18°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 4% 15 mph SW 48%
5 PM 33° Clear 4% 14 mph SW 48%
6 PM 34° Clear 4% 12 mph SW 54%
7 PM 33° Clear 4% 11 mph SW 62%
8 PM 31° Clear 4% 10 mph SW 68%
9 PM 30° Clear 4% 9 mph SW 73%
10 PM 28° Clear 4% 9 mph SW 78%
11 PM 27° Clear 4% 10 mph SW 81%
12 AM 27° Clear 3% 10 mph SW 83%
1 AM 26° Clear 3% 10 mph SW 84%
2 AM 26° Clear 3% 9 mph SW 86%
3 AM 25° Mostly Clear 3% 9 mph WSW 88%
4 AM 24° Mostly Clear 3% 8 mph WSW 90%
5 AM 24° Clear 5% 8 mph SW 90%
6 AM 23° Clear 5% 8 mph SW 89%
7 AM 24° Clear 5% 9 mph SW 87%
8 AM 25° Clear 5% 10 mph SW 83%
9 AM 26° Clear 5% 11 mph WSW 77%
10 AM 28° Clear 5% 12 mph WSW 72%
11 AM 30° Clear 5% 12 mph WSW 68%
12 PM 31° Mostly Clear 5% 12 mph WSW 66%
1 PM 31° Mostly Clear 5% 12 mph WSW 63%
2 PM 32° Mostly Clear 22% 12 mph WSW 62%
3 PM 32° Mostly Clear 26% 12 mph WSW 62%
15-Day Forecast
Today
7/1
Clear
4%
23°
34°
Thu
7/2
Mostly Clear
47%
23°
34°
Fri
7/3
Partly Cloudy
55%
22°
33°
Sat
7/4
Partly Cloudy
76%
22°
31°
Sun
7/5
Drizzle
65%
19°
29°
Mon
7/6
Rain
29%
18°
28°
Tue
7/7
Rain
28%
18°
29°
Wed
7/8
Drizzle
42%
18°
31°
Thu
7/9
Rain
68%
17°
31°
Fri
7/10
Rain
68%
17°
29°
Sat
7/11
Drizzle
60%
17°
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°
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, 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
SBCAPE2162 J/kg
MLCAPE1174 J/kg
MUCAPE2162 J/kg
SBCIN-102 J/kg
MLCIN0 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear27 kt
0–1 km Shear6 kt
Eff. Shear25 kt
0–1 km SRH-1
0–3 km SRH-87
Eff. SRH-87
Storm Motion227° @ 38 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.3
Thermo & Levels
PWAT1.17 in
0–3 km LR7.3 °C/km
700–500 LR7.2 °C/km
Total Totals45.0
LCL819 hPa
LFC707 hPa
EL172 hPa
Freezing Lvl14,364 ft