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

Sault Ste. Marie, Michigan

Last updated: 8:32 PM CDT  ·  Refresh
11°C
Feels like 9°
Clear
▲ 16°  /  ▼ 4°
Wind
3 mph NE
Humidity
62%
Dew Point
5°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:24 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sault Ste. Marie is currently clear at 11°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:24AM · Sunset: 7:34PM.

Alerts

Frost Advisory
Western Chippewa, MI, Central Chippewa, MI, Western Mackinac, MI, Eastern Mackinac, MI
Expires 7:00 AM
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
11°
3%
10 PM
11°
3%
11 PM
10°
3%
12 AM
9°
3%
1 AM
9°
3%
2 AM
8°
3%
3 AM
8°
3%
4 AM
7°
3%
5 AM
7°
3%
6 AM
5°
3%
7 AM
4°
3%
8 AM
6°
3%
9 AM
9°
3%
10 AM
12°
3%
11 AM
13°
3%
12 PM
14°
3%
1 PM
16°
3%
2 PM
18°
3%
3 PM
18°
3%
4 PM
19°
3%
5 PM
18°
3%
6 PM
18°
3%
7 PM
17°
3%
8 PM
16°
3%
7-Day Forecast
Tonight
16° 4°
Clear.
Wed
19° 4°
Clear.
Thu
21° 6°
Mostly Clear.
Fri
22° 6°
Fog with a 23% chance of rain.
Sat
24° 9°
Clear.
Sun
24° 9°
Clear.
Mon
22° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 11° Clear 3% 3 mph NE 62%
10 PM 11° Clear 3% 4 mph E 66%
11 PM 10° Clear 3% 5 mph ENE 66%
12 AM 9° Clear 3% 5 mph ENE 66%
1 AM 9° Clear 3% 6 mph ENE 67%
2 AM 8° Clear 3% 6 mph ENE 69%
3 AM 8° Clear 3% 6 mph ENE 70%
4 AM 7° Clear 3% 6 mph ENE 71%
5 AM 7° Clear 3% 6 mph ENE 72%
6 AM 5° Clear 3% 6 mph ENE 72%
7 AM 4° Clear 3% 6 mph ENE 74%
8 AM 6° Clear 3% 6 mph ENE 71%
9 AM 9° Clear 3% 7 mph E 64%
10 AM 12° Clear 3% 9 mph E 58%
11 AM 13° Clear 3% 10 mph ESE 52%
12 PM 14° Clear 3% 10 mph ESE 48%
1 PM 16° Clear 3% 11 mph ESE 42%
2 PM 18° Clear 3% 10 mph ESE 42%
3 PM 18° Clear 3% 10 mph ESE 41%
4 PM 19° Clear 3% 10 mph ESE 41%
5 PM 18° Clear 3% 10 mph ESE 44%
6 PM 18° Clear 3% 9 mph ESE 49%
7 PM 17° Clear 3% 8 mph ESE 54%
8 PM 16° Clear 3% 8 mph ESE 58%
15-Day Forecast
Today
9/22
Clear
3%
4°
16°
Wed
9/23
Clear
3%
4°
19°
Thu
9/24
Mostly Clear
3%
6°
21°
Fri
9/25
Fog
23%
6°
22°
Sat
9/26
Clear
3%
9°
24°
Sun
9/27
Clear
3%
9°
24°
Mon
9/28
Clear
8%
11°
22°
Tue
9/29
Drizzle
53%
11°
23°
Wed
9/30
Rain
68%
11°
23°
Thu
10/1
Rain
68%
9°
18°
Fri
10/2
Drizzle
60%
9°
17°
Sat
10/3
Drizzle
60%
9°
19°
Sun
10/4
Drizzle
60%
7°
17°
Mon
10/5
Drizzle
60%
7°
15°
Tue
10/6
Drizzle
60%
6°
16°
24
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
3 AQI 0.6 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 24 Good 24 3
Thu 20 Good 20 5
Fri 26 Good 26 20
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
MLCAPE5 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index14.1
Kinematics
0–6 km Shear14 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH55
0–3 km SRH54
Eff. SRH—
Storm Motion114° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-12.3
Thermo & Levels
PWAT0.42 in
0–3 km LR2.6 °C/km
700–500 LR7.2 °C/km
Total Totals34.4
LCL920 hPa
LFC—
EL—
Freezing Lvl11,854 ft