Severe Thunderstorm Warning — Clinton County, MI, Gratiot County, MI 6:45 PM 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

Gratiot County, Michigan, United States

Last updated: 6:43 PM CDT  ·  Refresh
31°C
Feels like 33°
Partly Cloudy
▲ 34°  /  ▼ 17°
Wind
9 mph NNE
Humidity
57%
Dew Point
22°
Pressure
29.18 inHg
Visibility
4 mi
UV Index
3.6
Cloud Cover
32%
Sunrise
6:12 AM
Sunset
9:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gratiot County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2288 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 9:16PM.

Alerts

Severe Thunderstorm Warning
Clinton County, MI, Gratiot County, MI
Expires 6:45 PM
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
155 AQI · Unhealthy Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
11%
8 PM
30°
23%
9 PM
27°
23%
10 PM
26°
14%
11 PM
24°
14%
12 AM
23°
14%
1 AM
21°
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
24°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
29°
3%
2 PM
31°
3%
3 PM
31°
3%
4 PM
31°
3%
5 PM
32°
3%
6 PM
32°
3%
7-Day Forecast
Tonight
34° 17°
Partly Cloudy.
Thu
32° 17°
Mostly Clear.
Fri
33° 19°
Partly Cloudy.
Sat
31° 15°
Mostly Clear with a 60% chance of rain.
Sun
26° 13°
Partly Cloudy.
Mon
28° 14°
Rain, 82% chance.
Tue
26° 13°
Mostly Cloudy with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 11% 9 mph NNE 57%
8 PM 30° Mostly Clear 23% 8 mph N 56%
9 PM 27° Mostly Clear 23% 7 mph N 57%
10 PM 26° Mostly Clear 14% 6 mph N 56%
11 PM 24° Mostly Clear 14% 6 mph N 57%
12 AM 23° Partly Cloudy 14% 5 mph N 61%
1 AM 21° Mostly Cloudy 7% 5 mph N 65%
2 AM 21° Partly Cloudy 3% 5 mph N 67%
3 AM 20° Partly Cloudy 3% 5 mph N 68%
4 AM 19° Partly Cloudy 3% 6 mph NNW 70%
5 AM 18° Mostly Clear 3% 5 mph NNW 70%
6 AM 18° Mostly Clear 3% 5 mph NNW 71%
7 AM 19° Clear 3% 5 mph NNW 70%
8 AM 21° Clear 3% 5 mph N 65%
9 AM 23° Mostly Clear 3% 5 mph N 59%
10 AM 24° Mostly Clear 3% 5 mph N 53%
11 AM 26° Mostly Clear 3% 5 mph N 48%
12 PM 27° Mostly Clear 3% 5 mph N 44%
1 PM 29° Mostly Clear 3% 5 mph NNW 40%
2 PM 31° Mostly Clear 3% 5 mph NNW 39%
3 PM 31° Mostly Clear 3% 5 mph NNW 38%
4 PM 31° Mostly Clear 3% 5 mph NW 38%
5 PM 32° Partly Cloudy 3% 5 mph NW 41%
6 PM 32° Partly Cloudy 3% 5 mph NW 46%
15-Day Forecast
Today
7/15
Partly Cloudy
14%
17°
34°
Thu
7/16
Mostly Clear
7%
17°
32°
Fri
7/17
Partly Cloudy
14%
19°
33°
Sat
7/18
Mostly Clear
60%
15°
31°
Sun
7/19
Partly Cloudy
7%
13°
26°
Mon
7/20
Rain
82%
14°
28°
Tue
7/21
Mostly Cloudy
52%
13°
26°
Wed
7/22
Clear
8%
13°
26°
Thu
7/23
Mostly Clear
43%
14°
28°
Fri
7/24
Rain
68%
16°
28°
Sat
7/25
Drizzle
51%
17°
26°
Sun
7/26
Drizzle
60%
17°
29°
Mon
7/27
Drizzle
60%
16°
28°
Tue
7/28
Drizzle
60%
16°
28°
Wed
7/29
Drizzle
60%
16°
28°
155
Unhealthy
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Some members of the general public may experience health effects; sensitive groups may experience more serious effects.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
155 AQI 61.7 µg/m³
O3
Ground-level ozone
104 AQI 72 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 155 Unhealthy 104 155
Fri 500 Hazardous 48 500
Sat 388 Hazardous 101 388
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 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2422 J/kg
MLCAPE2158 J/kg
MUCAPE2895 J/kg
SBCIN-110 J/kg
MLCIN0 J/kg
Lifted Index-5.8
Kinematics
0–6 km Shear45 kt
0–1 km Shear6 kt
Eff. Shear47 kt
0–1 km SRH-26
0–3 km SRH-70
Eff. SRH-70
Storm Motion265° @ 26 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.0
Thermo & Levels
PWAT1.53 in
0–3 km LR6.4 °C/km
700–500 LR6.6 °C/km
Total Totals49.5
LCL875 hPa
LFC798 hPa
EL170 hPa
Freezing Lvl15,440 ft