Frost Advisory — Western Chippewa, MI, Central Chippewa, MI, Western Mackinac, MI, Eastern Mackinac, MI 7:00 AM

Saint Ignace, Michigan

Last updated: 9:22 PM CDT  ·  Refresh
12°C
Feels like 9°
Clear
▲ 14°  /  ▼ 8°
Wind
7 mph E
Humidity
67%
Dew Point
7°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:26 AM
Sunset
7:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Ignace is currently clear at 12°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:26AM · Sunset: 7:36PM.

Alerts

Frost Advisory
Western Chippewa, MI, Central Chippewa, MI, Western Mackinac, MI, Eastern Mackinac, MI
Expires 7:00 AM
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
3%
11 PM
12°
3%
12 AM
12°
3%
1 AM
12°
3%
2 AM
12°
3%
3 AM
12°
3%
4 AM
12°
3%
5 AM
12°
3%
6 AM
11°
3%
7 AM
11°
3%
8 AM
11°
3%
9 AM
12°
3%
10 AM
14°
3%
11 AM
14°
3%
12 PM
14°
3%
1 PM
15°
3%
2 PM
16°
3%
3 PM
16°
3%
4 PM
16°
3%
5 PM
17°
3%
6 PM
16°
3%
7 PM
16°
3%
8 PM
15°
3%
9 PM
15°
3%
7-Day Forecast
Tonight
14° 8°
Clear.
Wed
17° 11°
Clear.
Thu
18° 10°
Haze with a 37% chance of rain.
Fri
19° 10°
Mostly Cloudy.
Sat
21° 11°
Clear.
Sun
21° 11°
Clear.
Mon
20° 13°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 12° Clear 3% 7 mph E 67%
11 PM 12° Clear 3% 8 mph ENE 68%
12 AM 12° Clear 3% 9 mph ENE 69%
1 AM 12° Clear 3% 10 mph E 71%
2 AM 12° Clear 3% 11 mph E 72%
3 AM 12° Clear 3% 12 mph E 75%
4 AM 12° Clear 3% 12 mph E 78%
5 AM 12° Clear 3% 12 mph E 79%
6 AM 11° Clear 3% 12 mph E 79%
7 AM 11° Clear 3% 12 mph E 78%
8 AM 11° Clear 3% 12 mph E 77%
9 AM 12° Clear 3% 12 mph E 74%
10 AM 14° Clear 3% 13 mph E 69%
11 AM 14° Clear 3% 14 mph E 66%
12 PM 14° Clear 3% 15 mph E 65%
1 PM 15° Clear 3% 15 mph E 65%
2 PM 16° Clear 3% 15 mph E 67%
3 PM 16° Clear 3% 15 mph E 67%
4 PM 16° Clear 3% 15 mph E 67%
5 PM 17° Clear 3% 14 mph E 68%
6 PM 16° Clear 3% 14 mph E 70%
7 PM 16° Clear 3% 13 mph E 73%
8 PM 15° Clear 3% 13 mph E 76%
9 PM 15° Clear 3% 12 mph ESE 78%
15-Day Forecast
Today
9/22
Clear
3%
8°
14°
Wed
9/23
Clear
3%
11°
17°
Thu
9/24
Haze
37%
10°
18°
Fri
9/25
Mostly Cloudy
17%
10°
19°
Sat
9/26
Clear
3%
11°
21°
Sun
9/27
Clear
3%
11°
21°
Mon
9/28
Clear
8%
13°
20°
Tue
9/29
Drizzle
53%
12°
21°
Wed
9/30
Rain
68%
12°
23°
Thu
10/1
Rain
68%
11°
18°
Fri
10/2
Drizzle
60%
11°
18°
Sat
10/3
Drizzle
60%
11°
19°
Sun
10/4
Drizzle
60%
8°
18°
Mon
10/5
Drizzle
60%
8°
16°
Tue
10/6
Drizzle
60%
8°
16°
26
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
2 AQI 0.4 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 26 Good 26 2
Thu 23 Good 23 10
Fri 29 Good 29 28
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Sep 23, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE14 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index12.4
Kinematics
0–6 km Shear11 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH41
0–3 km SRH36
Eff. SRH—
Storm Motion99° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-10.9
Thermo & Levels
PWAT0.45 in
0–3 km LR2.7 °C/km
700–500 LR7.3 °C/km
Total Totals33.3
LCL935 hPa
LFC—
EL—
Freezing Lvl11,959 ft