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

Saint Ignace, Michigan

Last updated: 8:32 PM CDT  ·  Refresh
54°F
Feels like 48°
Clear
▲ 58°  /  ▼ 46°
Wind
7 mph E
Humidity
66%
Dew Point
44°
Pressure
29.79 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 54°F. 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
54°
3%
10 PM
54°
3%
11 PM
54°
3%
12 AM
54°
3%
1 AM
54°
3%
2 AM
54°
3%
3 AM
54°
3%
4 AM
54°
3%
5 AM
54°
3%
6 AM
52°
3%
7 AM
52°
3%
8 AM
53°
3%
9 AM
54°
3%
10 AM
58°
3%
11 AM
58°
3%
12 PM
59°
3%
1 PM
59°
3%
2 PM
61°
3%
3 PM
61°
3%
4 PM
62°
3%
5 PM
62°
3%
6 PM
60°
3%
7 PM
60°
3%
8 PM
59°
3%
7-Day Forecast
Tonight
58° 46°
Clear.
Wed
62° 51°
Clear.
Thu
65° 50°
Partly Cloudy with a 37% chance of rain.
Fri
66° 50°
Mostly Cloudy.
Sat
70° 52°
Clear.
Sun
70° 51°
Clear.
Mon
68° 55°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 54° Clear 3% 7 mph E 66%
10 PM 54° Clear 3% 7 mph ENE 67%
11 PM 54° Clear 3% 8 mph ENE 68%
12 AM 54° Clear 3% 9 mph ENE 69%
1 AM 54° Clear 3% 11 mph E 71%
2 AM 54° Clear 3% 11 mph E 73%
3 AM 54° Clear 3% 12 mph E 76%
4 AM 54° Clear 3% 12 mph E 78%
5 AM 54° Clear 3% 12 mph E 80%
6 AM 52° Clear 3% 12 mph E 82%
7 AM 52° Clear 3% 12 mph E 82%
8 AM 53° Clear 3% 12 mph E 81%
9 AM 54° Clear 3% 13 mph E 78%
10 AM 58° Clear 3% 14 mph E 72%
11 AM 58° Clear 3% 14 mph E 69%
12 PM 59° Clear 3% 15 mph E 67%
1 PM 59° Clear 3% 15 mph E 65%
2 PM 61° Clear 3% 15 mph E 67%
3 PM 61° Clear 3% 15 mph E 67%
4 PM 62° Clear 3% 14 mph E 66%
5 PM 62° Clear 3% 14 mph E 68%
6 PM 60° Clear 3% 13 mph E 71%
7 PM 60° Clear 3% 13 mph E 74%
8 PM 59° Clear 3% 12 mph E 76%
15-Day Forecast
Today
9/22
Clear
3%
46°
58°
Wed
9/23
Clear
3%
51°
62°
Thu
9/24
Partly Cloudy
37%
50°
65°
Fri
9/25
Mostly Cloudy
17%
50°
66°
Sat
9/26
Clear
14%
52°
70°
Sun
9/27
Clear
3%
51°
70°
Mon
9/28
Clear
8%
55°
68°
Tue
9/29
Drizzle
53%
53°
70°
Wed
9/30
Rain
68%
53°
74°
Thu
10/1
Rain
68%
52°
64°
Fri
10/2
Drizzle
60%
52°
64°
Sat
10/3
Drizzle
60%
51°
66°
Sun
10/4
Drizzle
60%
47°
64°
Mon
10/5
Drizzle
60%
46°
60°
Tue
10/6
Drizzle
60%
46°
61°
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 Tue Sep 22, 23:00'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
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index12.5
Kinematics
0–6 km Shear11 kt
0–1 km Shear19 kt
Eff. Shear—
0–1 km SRH44
0–3 km SRH37
Eff. SRH—
Storm Motion97° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-12.8
Thermo & Levels
PWAT0.40 in
0–3 km LR2.8 °C/km
700–500 LR7.2 °C/km
Total Totals31.5
LCL931 hPa
LFC—
EL—
Freezing Lvl11,972 ft