Dense Fog Advisory — Emmet, MI, Cheboygan, MI, Presque Isle, MI, Leelanau, MI, Antrim, MI, Otsego, MI, Montmorency, MI, Alpena, MI, Benzie, MI, Grand Traverse, MI, Crawford, MI, Oscoda, MI, Alcona, MI, Manistee, MI, Roscommon, MI, Ogemaw, MI, Iosco, MI, Western Mackinac, MI, Eastern Mackinac, MI, Beaver Island and surrounding islands, MI, Charlevoix, MI 11:00 AM

Alpena County, Michigan, United States

Last updated: 3:38 AM CDT  ·  Refresh
8°C
Feels like 7°
Fog
▲ 16°  /  ▼ 5°
Wind
2 mph SE
Humidity
96%
Dew Point
7°
Pressure
29.53 inHg
Visibility
0 mi
UV Index
0.0
Cloud Cover
68%
Sunrise
7:59 AM
Sunset
6:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Alpena County is currently fog at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:59AM · Sunset: 6:36PM.

Alerts

Dense Fog Advisory
Emmet, MI, Cheboygan, MI, Presque Isle, MI, Leelanau, MI, Antrim, MI, Otsego, MI, Montmorency, MI, Alpena, MI, Benzie, MI, Grand Traverse, MI, Crawford, MI, Oscoda, MI, Alcona, MI, Manistee, MI, Roscommon, MI, Ogemaw, MI, Iosco, MI, Western Mackinac, MI, Eastern Mackinac, MI, Beaver Island and surrounding islands, MI, Charlevoix, MI
Expires 11:00 AM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
17%
5 AM
7°
5%
6 AM
7°
4%
7 AM
6°
4%
8 AM
7°
5%
9 AM
8°
6%
10 AM
10°
6%
11 AM
11°
6%
12 PM
12°
6%
1 PM
15°
6%
2 PM
16°
6%
3 PM
16°
7%
4 PM
16°
7%
5 PM
13°
7%
6 PM
12°
3%
7 PM
10°
3%
8 PM
9°
3%
9 PM
7°
16%
10 PM
7°
16%
11 PM
7°
16%
12 AM
6°
6%
1 AM
7°
6%
2 AM
7°
6%
3 AM
7°
6%
7-Day Forecast
Today
16° 5°
Partly Cloudy.
Sat
18° 5°
Partly Cloudy.
Sun
22° 7°
Mostly Cloudy.
Mon
15° 4°
Overcast.
Tue
11° 3°
Rain, 64% chance.
Wed
15° 5°
Clear with a 29% chance of rain.
Thu
20° 8°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 8° Fog 17% 2 mph SE 96%
5 AM 7° Partly Cloudy 5% 2 mph SE 96%
6 AM 7° Partly Cloudy 4% 3 mph SE 96%
7 AM 6° Fog 4% 3 mph SSE 96%
8 AM 7° Fog 5% 3 mph SSE 93%
9 AM 8° Fog 6% 3 mph SSE 88%
10 AM 10° Partly Cloudy 6% 4 mph SSE 82%
11 AM 11° Partly Cloudy 6% 5 mph SSE 77%
12 PM 12° Partly Cloudy 6% 5 mph SSE 72%
1 PM 15° Partly Cloudy 6% 6 mph SE 68%
2 PM 16° Partly Cloudy 6% 6 mph SE 65%
3 PM 16° Mostly Clear 7% 6 mph SE 65%
4 PM 16° Mostly Clear 7% 7 mph ESE 66%
5 PM 13° Mostly Clear 7% 7 mph ESE 71%
6 PM 12° Mostly Clear 3% 6 mph ESE 78%
7 PM 10° Partly Cloudy 3% 6 mph SE 85%
8 PM 9° Partly Cloudy 3% 6 mph SE 88%
9 PM 7° Haze 16% 6 mph SE 89%
10 PM 7° Fog 16% 6 mph SSE 89%
11 PM 7° Fog 16% 6 mph SSE 90%
12 AM 6° Fog 6% 6 mph SSE 90%
1 AM 7° Fog 6% 6 mph SSE 91%
2 AM 7° Fog 6% 6 mph SSE 91%
3 AM 7° Fog 6% 6 mph SSE 92%
15-Day Forecast
Today
10/23
Partly Cloudy
17%
5°
16°
Sat
10/24
Partly Cloudy
6%
5°
18°
Sun
10/25
Mostly Cloudy
10%
7°
22°
Mon
10/26
Overcast
19%
4°
15°
Tue
10/27
Rain
64%
3°
11°
Wed
10/28
Clear
29%
5°
15°
Thu
10/29
Rain
28%
8°
20°
Fri
10/30
Drizzle
43%
5°
16°
Sat
10/31
Rain
68%
4°
16°
Sun
11/1
Rain
68%
8°
19°
Mon
11/2
Drizzle
60%
4°
14°
Tue
11/3
Drizzle
60%
2°
11°
Wed
11/4
Drizzle
60%
2°
10°
Thu
11/5
Drizzle
60%
2°
11°
Fri
11/6
Drizzle
60%
3°
12°
54
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
54 AQI 10.8 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 33 54
Sat 31 Good 31 16
Sun 38 Good 38 37
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 Fri Oct 23, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE19 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index15.8
Kinematics
0–6 km Shear24 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH-4
0–3 km SRH36
Eff. SRH—
Storm Motion8° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-25.1
Thermo & Levels
PWAT0.49 in
0–3 km LR2.4 °C/km
700–500 LR5.8 °C/km
Total Totals8.3
LCL992 hPa
LFC—
EL—
Freezing Lvl10,039 ft