Dense Fog Advisory
Ends in 2 h 1 min
When
Until 10 AM EDT this morning.
Where
Alcona, Alpena, Arenac, Iosco, Montmorency, Ogemaw, Oscoda, and Presque Isle Counties.
Issued for this forecast zone · National Weather Service Gaylord MI
What, impacts and precautionsHide details
What
Visibility as low as one quarter mile in dense fog.
Impacts
Low visibility could make driving conditions hazardous.
Precautionary actions
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Areas: Presque Isle; Montmorency; Alpena; Oscoda; Alcona; Ogemaw; Iosco; Arenac
See it on weather.gov (opens in a new tab)

Observed 7:35 AM EDT at KAPN

Alpena, MI weather

Foggy and 48°9°.

Mostly agree

Now 48°9°

Fog

Wind: 3 mph5 km/h; From the south. 35–10 mph16 km/h through 7 PM
Visibility: 0.8 mi1.3 km; Fog · under 1 mi1.6 km
Dew point: 46°8°; Comfortable
Humidity: 93%; Air 48°9°, dew point 46°8° · fog or dew likely
UV index: 0Low; Moderate 2–3 PM · peak 3

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Fog until 10 AM
Above 50°10° today by 10 AM
High 61°16° today at 3 PM

This morningUp to 53°12° by 11 AM · Mostly cloudy
This afternoonUp to 61°16° by 3 PM · Partly cloudy
TonightDown to 47°8° by 3 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 67°19° by 3 PM · Mostly cloudy
Tomorrow nightDown to 45°7° by 5 AM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Fog	42°6° (likely 38°3° to 45°7°)	39°4°	0%	5 mph8 km/h from W, gusts 5 mph7 km/h	100%	69%	0
Sat 8a	Fog	45°7° (likely 39°4° to 45°7°)	43°6°	0%	5 mph8 km/h from SW, gusts 5 mph9 km/h	100%	74%	0
Sat 9a	Fog	47°8° (likely 41°5° to 47°8°)	44°7°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	100%	79%	0
Sat 10a	Mostly cloudy	50°10° (likely 44°7° to 50°10°)	48°9°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	93%	91%	1
Sat 11a	Partly sunny	53°12° (likely 47°8° to 53°12°)	53°12°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	83%	81%	1
Sat 12p	Partly sunny	55°13° (likely 50°10° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	80%	63%	2
Sat 1p	Sunny	59°15° (likely 53°12° to 59°15°)	59°15°	0%	10 mph16 km/h from S, gusts 10 mph16 km/h	69%	28%	2
Sat 2p	Sunny	60°16° (likely 55°13° to 61°16°)	60°16°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	67%	8%	3
Sat 3p	Sunny	61°16° (likely 57°14° to 62°17°)	61°16°	0%	10 mph16 km/h from S, gusts 12 mph19 km/h	67%	13%	2
Sat 4p	Partly sunny	61°16° (likely 57°14° to 62°17°)	61°16°	0%	10 mph16 km/h from S, gusts 12 mph19 km/h	67%	43%	1
Sat 5p	Partly sunny	60°16° (likely 55°13° to 61°16°)	60°16°	0%	10 mph16 km/h from S, gusts 13 mph21 km/h	69%	52%	1
Sat 6p	Cloudy	59°15° (likely 54°12° to 59°15°)	59°15°	0%	10 mph16 km/h from S, gusts 13 mph21 km/h	72%	67%	0
Sat 7p	Partly cloudy	57°14° (likely 51°11° to 57°14°)	57°14°	0%	10 mph16 km/h from S, gusts 13 mph22 km/h	77%	43%	0
Sat 8p	Clear	52°11° (likely 50°10° to 55°13°)	52°11°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	86%	17%	0
Sat 9p	Partly cloudy	51°11° (likely 49°9° to 53°12°)	51°11°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	89%	52%	0
Sat 10p	Partly cloudy	50°10° (likely 48°9° to 52°11°)	48°9°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	89%	58%	0
Sat 11p	Mostly clear	49°9° (likely 47°8° to 51°11°)	47°8°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	89%	21%	0
Sun 12a	Partly cloudy	49°9° (likely 46°8° to 51°11°)	47°8°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	86%	41%	0
Sun 1a	Mostly clear	49°9° (likely 45°7° to 50°10°)	47°8°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	83%	30%	0
Sun 2a	Mostly clear	48°9° (likely 45°7° to 50°10°)	45°7°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	83%	20%	0
Sun 3a	Mostly clear	47°8° (likely 45°7° to 50°10°)	44°7°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	86%	30%	0
Sun 4a	Partly cloudy	47°8° (likely 45°7° to 50°10°)	44°7°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	86%	62%	0
Sun 5a	Partly cloudy	47°8° (likely 44°7° to 50°10°)	44°7°	5%	5 mph8 km/h from S, gusts 10 mph17 km/h	86%	72%	0
Sun 6a	Cloudy	46°8° (likely 44°7° to 49°9°)	43°6°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	89%	85%	0
Sun 7a	Cloudy	47°8° (likely 45°7° to 49°9°)	44°7°	5%	5 mph8 km/h from S, gusts 10 mph15 km/h	86%	75%	0
Sun 8a	Cloudy	47°8° (likely 46°8° to 50°10°)	44°7°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	86%	77%	0
Sun 9a	Cloudy	51°11° (likely 47°8° to 52°11°)	51°11°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	83%	79%	0
Sun 10a	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from SW, gusts 12 mph19 km/h	77%	87%	1
Sun 11a	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	0%	10 mph16 km/h from SW, gusts 10 mph16 km/h	69%	85%	1
Sun 12p	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	10 mph16 km/h from SW, gusts 10 mph17 km/h	62%	81%	2
Sun 1p	Cloudy	65°18° (likely 56°13° to 65°18°)	65°18°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	58%	91%	2
Sun 2p	Cloudy	65°18° (likely 54°12° to 66°19°)	65°18°	5%	5 mph8 km/h from SW, gusts 13 mph20 km/h	56%	82%	2
Sun 3p	Cloudy	67°19° (likely 54°12° to 67°19°)	67°19°	5%	5 mph8 km/h from SW, gusts 11 mph18 km/h	56%	77%	2
Sun 4p	Partly sunny	66°19° (likely 55°13° to 68°20°)	66°19°	5%	5 mph8 km/h from SW, gusts 10 mph15 km/h	58%	62%	2
Sun 5p	Cloudy	65°18° (likely 54°12° to 67°19°)	65°18°	0%	5 mph8 km/h from SW, gusts 7 mph11 km/h	63%	64%	1
Sun 6p	Cloudy	63°17° (likely 53°12° to 64°18°)	63°17°	0%	5 mph8 km/h from SW, gusts 7 mph10 km/h	67%	63%	1
Sun 7p	Cloudy	58°14° (likely 52°11° to 60°16°)	58°14°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	80%	65%	0
Sun 8p	Cloudy	55°13° (likely 51°11° to 59°15°)	55°13°	5%	5 mph8 km/h from NW, gusts 11 mph18 km/h	86%	68%	0
Sun 9p	Cloudy	53°12° (likely 51°11° to 57°14°)	53°12°	5%	5 mph8 km/h from N, gusts 12 mph19 km/h	89%	84%	0
Sun 10p	Cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	5%	5 mph8 km/h from NW, gusts 15 mph24 km/h	93%	90%	0
Sun 11p	Cloudy	50°10° (likely 48°9° to 54°12°)	48°9°	5%	5 mph8 km/h from NW, gusts 16 mph25 km/h	89%	86%	0
Mon 12a	Mostly cloudy	49°9° (likely 48°9° to 53°12°)	47°8°	5%	5 mph8 km/h from NW, gusts 15 mph25 km/h	86%	93%	0
Mon 1a	Cloudy	48°9° (likely 48°9° to 52°11°)	46°8°	5%	5 mph8 km/h from NW, gusts 15 mph25 km/h	83%	92%	0
Mon 2a	Cloudy	47°8° (likely 47°8° to 52°11°)	45°7°	0%	5 mph8 km/h from NW, gusts 14 mph23 km/h	79%	93%	0
Mon 3a	Cloudy	46°8° (likely 46°8° to 52°11°)	44°7°	0%	5 mph8 km/h from NW, gusts 13 mph20 km/h	76%	93%	0
Mon 4a	Cloudy	46°8° (likely 46°8° to 52°11°)	44°7°	0%	5 mph8 km/h from NW, gusts 12 mph20 km/h	73%	93%	0
Mon 5a	Cloudy	45°7° (likely 45°7° to 51°11°)	43°6°	0%	5 mph8 km/h from NW, gusts 13 mph21 km/h	73%	97%	0
Mon 6a	Cloudy	44°7° (likely 44°7° to 52°11°)	41°5°	0%	5 mph8 km/h from NW, gusts 13 mph21 km/h	76%	97%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Fog. High 61°16°, low 45°7°. Typical 54°12° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 47°8°
  Dry
Official NWS forecast
Today: Patchy fog before 10am. Partly sunny, with a high near 61. South wind 5 to 10 mph.
Tonight: Partly cloudy. Low around 45, with temperatures rising to around 47 overnight. South wind 5 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–62°17°
Low, likely
36°2°–45°7°
Typical high / low
54°12° / 35°2°
Wind
10 mph17 km/h, gusts 17 mph28 km/h
UV peak
3
Tomorrow, Oct 25. Mostly cloudy. High 67°19°, low 43°6°. Typical 54°12° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Official NWS forecast
Day: Partly sunny. High near 67, with temperatures falling to around 65 in the afternoon. Southwest wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 43. Northwest wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–68°20°
Low, likely
43°6°–49°9°
Typical high / low
54°12° / 34°1°
Wind
9 mph15 km/h, gusts 18 mph29 km/h
UV peak
2
Monday, Oct 26. Mostly cloudy. High 51°11°, low 35°2°. Typical 53°12° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 40°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 51. North wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–56°13°
Low, likely
35°2°–44°7°
Typical high / low
53°12° / 34°1°
Wind
10 mph16 km/h, gusts 21 mph33 km/h
UV peak
2
Tuesday, Oct 27. Mostly cloudy. High 49°9°, low 39°4°. Typical 53°12° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 49.
Night: Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–51°11°
Low, likely
37°3°–43°6°
Typical high / low
53°12° / 34°1°
Wind
14 mph22 km/h, gusts 25 mph40 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 58°14°, low 46°8°. Typical 52°11° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 58.
Night: A chance of rain showers after 8pm. Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–64°18°
Low, likely
44°7°–52°11°
Typical high / low
52°11° / 34°1°
Wind
12 mph19 km/h, gusts 31 mph50 km/h
UV peak
3
Thursday, Oct 29. Showers. High 62°17°, low 41°5°. Typical 52°11° / 33°1°. Rain 0.16 in4.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 2pm. Mostly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–65°18°
Low, likely
41°5°–54°12°
Typical high / low
52°11° / 33°1°
Wind
13 mph20 km/h, gusts 32 mph52 km/h
Friday, Oct 30. Cloudy. High 57°14°, low 40°4°. Typical 51°11° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 2pm. Partly sunny, with a high near 57.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–63°17°
Low, likely
40°4°–52°11°
Typical high / low
51°11° / 33°1°
Wind
10 mph16 km/h, gusts 22 mph36 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 62°17°, low 50°10°. Typical 51°11° / 33°1°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 49°9°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–69°21°
Low, likely
43°6°–56°13°
Typical high / low
51°11° / 33°1°
Wind
12 mph19 km/h, gusts 24 mph39 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 62°17°, low 54°12°. Typical 51°11° / 33°1°. Rain 0.15 in3.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 54°12°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  30% chance · 0.17 in4.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  30% chance · 0.13 in3.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–67°19°
Low, likely
49°9°–58°14°
Typical high / low
51°11° / 33°1°
Wind
18 mph29 km/h, gusts 32 mph52 km/h
Monday, Nov 2. Drizzle. High 57°14°, low 50°10°. Typical 50°10° / 32°0°. Rain 0.33 in8.4 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  30% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  30% chance · 0.06 in1.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 51°10°
  20% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–58°14°
Low, likely
45°7°–53°12°
Typical high / low
50°10° / 32°0°
Wind
20 mph31 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 45°.
Tomorrow
Dry, high 67°, low 43°, warming up.
Monday
Dry, high 51°, low 35°, cooling off.
Rest of week
Mostly dry, highs 49–62°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (APX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Thunder Bay River near Bolton

10 mi

Level: 12.3 ft
Flow: 541 cfs

Reading from Sat 6:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 85% less heating than a typical week.

This week 23Typical 152

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 13
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Alpena County Regional Airport · official normals 1991–2020 · records 1916–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° warmer than typical.

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

+3°+1°SunOct 18
+7°+4°MonOct 19
±0°TueOct 20
+6°+3°WedOct 21
+4°+2°ThuOct 22
+4°+2°FriOct 23
—SatOct 24

Alpena weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 32 min; Losing 2 min 58 s a day; shortest Dec 21, 1 h 47 min less
Golden hour: 5:52–6:52 PM; Morning 7:43–8:42 AM
Blue hour: 6:52–7:03 PM; Morning 7:31–7:43 AM; first light 7:31 AM

Stars tonight? Poor

Clouds most of the night (about 47% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:11 AM · rises 5:32 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Alpena. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Dense Fog Advisory