Dense Fog Advisory
Ends in 5 h 19 min
When
Until 10 AM EDT this morning.
Where
Huron, Lapeer, Lenawee, Monroe, Sanilac, St. Clair, Tuscola, and Washtenaw Counties.
Issued for this forecast zone · National Weather Service Detroit/Pontiac MI
What, impacts and precautionsHide details
What
Visibility one quarter mile or less 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: Huron; Tuscola; Sanilac; Lapeer; St. Clair; Washtenaw; Lenawee; Monroe
See it on weather.gov (opens in a new tab)

Observed 4:15 AM EDT at KBAX

Port Sanilac, MI weather

Clear and 41°5°.

Mostly agree

Now 41°5°

Clear · Feels like 38°3°

Wind: 5 mph8 km/h; From the southeast. 35–7 mph11 km/h through 4 PM
Dew point: 41°5°; Comfortable
Humidity: 100%; Air 41°5°, dew point 41°5° · fog or dew likely
UV index: 0Low; Moderate 12–5 PM · peak 4
Pressure: 30.43 inHg1030 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

7°4° warmer than this time yesterday (34°1° then, 41°5° now)

Good hours for

Fog until 5 AM
Low 43°6° today at 7 AM
Above 50°10° today by 10 AM
High 58°14° today at 3 PM
Fog tomorrow night from 3 AM

TonightNear 45°7° · Clear
This morningUp to 54°12° by 11 AM · Clear
This afternoonNear 57°14° · Clear
TonightDown to 45°7° by 5 AM · Partly cloudy
Tomorrow morningUp to 57°14° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 66°19° by 2 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 2 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 4a	Fog	45°7° (likely 43°6° to 48°9°)	42°6°	0%	6 mph10 km/h from SSE, gusts 9 mph14 km/h	93%	26%	0
Sat 5a	Clear	44°7° (likely 42°6° to 47°8°)	42°6°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	90%	2%	0
Sat 6a	Clear	44°7° (likely 42°6° to 47°8°)	41°5°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	90%	2%	0
Sat 7a	Clear	43°6° (likely 41°5° to 47°8°)	42°6°	0%	3 mph5 km/h from SSE, gusts 7 mph12 km/h	90%	2%	0
Sat 8a	Sunny	43°6° (likely 41°5° to 47°8°)	42°6°	0%	3 mph5 km/h from SSE, gusts 7 mph11 km/h	91%	1%	0
Sat 9a	Sunny	46°8° (likely 43°6° to 47°8°)	44°7°	0%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	91%	0%	0
Sat 10a	Sunny	52°11° (likely 49°9° to 52°11°)	52°11°	0%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	85%	1%	1
Sat 11a	Sunny	54°12° (likely 53°12° to 55°13°)	54°12°	0%	6 mph10 km/h from SE, gusts 7 mph11 km/h	79%	3%	2
Sat 12p	Sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	6 mph10 km/h from SE, gusts 7 mph11 km/h	73%	6%	3
Sat 1p	Sunny	57°14° (likely 56°13° to 59°15°)	57°14°	0%	7 mph11 km/h from SE, gusts 8 mph13 km/h	68%	11%	4
Sat 2p	Sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	7 mph11 km/h from SE, gusts 8 mph13 km/h	66%	23%	4
Sat 3p	Mostly sunny	58°14° (likely 57°14° to 60°16°)	58°14°	0%	7 mph11 km/h from ESE, gusts 9 mph15 km/h	67%	26%	3
Sat 4p	Sunny	58°14° (likely 57°14° to 60°16°)	58°14°	0%	7 mph11 km/h from SE, gusts 10 mph16 km/h	65%	8%	3
Sat 5p	Sunny	58°14° (likely 57°14° to 58°14°)	58°14°	0%	6 mph10 km/h from ESE, gusts 8 mph13 km/h	65%	3%	2
Sat 6p	Sunny	58°14° (likely 55°13° to 58°14°)	58°14°	0%	5 mph8 km/h from ESE, gusts 8 mph13 km/h	69%	2%	1
Sat 7p	Clear	56°13° (likely 50°10° to 56°13°)	56°13°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	75%	35%	0
Sat 8p	Clear	53°12° (likely 49°9° to 54°12°)	53°12°	0%	5 mph8 km/h from SSE, gusts 7 mph12 km/h	81%	41%	0
Sat 9p	Mostly clear	53°12° (likely 48°9° to 54°12°)	53°12°	0%	6 mph10 km/h from SSE, gusts 9 mph15 km/h	85%	44%	0
Sat 10p	Partly cloudy	52°11° (likely 47°8° to 53°12°)	52°11°	0%	7 mph11 km/h from S, gusts 11 mph18 km/h	85%	49%	0
Sat 11p	Partly cloudy	50°10° (likely 46°8° to 52°11°)	47°8°	0%	8 mph13 km/h from S, gusts 13 mph20 km/h	90%	53%	0
Sun 12a	Partly cloudy	49°9° (likely 43°6° to 51°11°)	46°8°	0%	8 mph13 km/h from S, gusts 13 mph21 km/h	93%	62%	0
Sun 1a	Partly cloudy	48°9° (likely 43°6° to 50°10°)	45°7°	0%	7 mph11 km/h from S, gusts 12 mph20 km/h	94%	43%	0
Sun 2a	Clear	47°8° (likely 43°6° to 50°10°)	43°6°	0%	7 mph11 km/h from S, gusts 12 mph20 km/h	98%	9%	0
Sun 3a	Clear	46°8° (likely 42°6° to 49°9°)	43°6°	0%	7 mph11 km/h from SSW, gusts 13 mph20 km/h	96%	7%	0
Sun 4a	Clear	46°8° (likely 41°5° to 49°9°)	42°6°	0%	7 mph11 km/h from SSW, gusts 13 mph20 km/h	97%	11%	0
Sun 5a	Clear	45°7° (likely 40°4° to 49°9°)	41°5°	0%	7 mph11 km/h from SSW, gusts 13 mph20 km/h	99%	22%	0
Sun 6a	Clear	45°7° (likely 40°4° to 49°9°)	41°5°	0%	7 mph11 km/h from SSW, gusts 13 mph21 km/h	97%	13%	0
Sun 7a	Mostly clear	45°7° (likely 40°4° to 48°9°)	41°5°	0%	7 mph11 km/h from SSW, gusts 13 mph20 km/h	97%	24%	0
Sun 8a	Mostly sunny	45°7° (likely 41°5° to 48°9°)	41°5°	0%	7 mph11 km/h from SSW, gusts 13 mph21 km/h	98%	42%	0
Sun 9a	Partly sunny	49°9° (likely 45°7° to 49°9°)	45°7°	0%	8 mph13 km/h from SSW, gusts 13 mph21 km/h	92%	78%	0
Sun 10a	Cloudy	53°12° (likely 51°11° to 53°12°)	53°12°	0%	8 mph13 km/h from SSW, gusts 15 mph24 km/h	87%	79%	1
Sun 11a	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	9 mph14 km/h from SSW, gusts 16 mph25 km/h	80%	77%	2
Sun 12p	Cloudy	60°16° (likely 59°15° to 62°17°)	60°16°	0%	9 mph14 km/h from SSW, gusts 16 mph26 km/h	71%	78%	3
Sun 1p	Cloudy	64°18° (likely 61°16° to 66°19°)	64°18°	0%	9 mph14 km/h from SSW, gusts 15 mph24 km/h	63%	78%	3
Sun 2p	Cloudy	66°19° (likely 64°18° to 68°20°)	66°19°	0%	10 mph16 km/h from S, gusts 15 mph24 km/h	59%	80%	4
Sun 3p	Cloudy	66°19° (likely 64°18° to 69°21°)	66°19°	0%	10 mph16 km/h from S, gusts 14 mph22 km/h	59%	91%	3
Sun 4p	Cloudy	66°19° (likely 64°18° to 68°20°)	66°19°	0%	10 mph16 km/h from S, gusts 13 mph21 km/h	59%	96%	2
Sun 5p	Mostly cloudy	66°19° (likely 63°17° to 68°20°)	66°19°	0%	10 mph16 km/h from S, gusts 11 mph17 km/h	60%	71%	1
Sun 6p	Cloudy	64°18° (likely 61°16° to 65°18°)	64°18°	0%	9 mph14 km/h from S, gusts 10 mph16 km/h	64%	73%	1
Sun 7p	Mostly cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	9 mph14 km/h from S, gusts 11 mph18 km/h	68%	57%	0
Sun 8p	Clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	9 mph14 km/h from SSW, gusts 13 mph21 km/h	75%	29%	0
Sun 9p	Partly cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	9 mph14 km/h from SSW, gusts 14 mph23 km/h	78%	49%	0
Sun 10p	Partly cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	0%	9 mph14 km/h from SSW, gusts 15 mph24 km/h	80%	55%	0
Sun 11p	Mostly cloudy	54°12° (likely 53°12° to 57°14°)	54°12°	0%	8 mph13 km/h from SSW, gusts 16 mph25 km/h	81%	71%	0
Mon 12a	Mostly cloudy	53°12° (likely 53°12° to 57°14°)	53°12°	0%	8 mph13 km/h from SW, gusts 15 mph24 km/h	82%	78%	0
Mon 1a	Cloudy	53°12° (likely 52°11° to 57°14°)	53°12°	0%	7 mph11 km/h from SW, gusts 13 mph21 km/h	83%	81%	0
Mon 2a	Cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	0%	7 mph11 km/h from WSW, gusts 12 mph19 km/h	84%	77%	0
Mon 3a	Fog	52°11° (likely 51°11° to 54°12°)	52°11°	0%	7 mph11 km/h from WSW, gusts 11 mph18 km/h	85%	56%	0

Days ahead

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

Today, Oct 24. Fog. High 59°15°, low 43°6°. Typical 56°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Official NWS forecast
Today: Patchy fog before 10am. Sunny, with a high near 59. Southeast wind 3 to 7 mph.
Tonight: Patchy fog. Clear, with a low around 43. South southeast wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–60°16°
Low, likely
41°5°–47°8°
Typical high / low
56°13° / 39°4°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 67°19°, low 49°9°. Typical 55°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Fog, 51°11°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Partly sunny, with a high near 67. South southwest wind 7 to 10 mph.
Night: Patchy fog after 2am. Mostly cloudy, with a low around 49. Southwest wind around 9 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
39°4°–49°9°
Typical high / low
55°13° / 39°4°
Wind
12 mph19 km/h, gusts 20 mph31 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 56°13°, low 42°6°. Typical 55°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 9am. Partly sunny, with a high near 56.
Night: Mostly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–60°16°
Low, likely
42°6°–50°10°
Typical high / low
55°13° / 39°4°
Wind
15 mph25 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Mostly cloudy. High 52°11°, low 44°7°. Typical 54°12° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 49°9°
  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 52.
Night: Mostly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–55°13°
Low, likely
44°7°–48°9°
Typical high / low
54°12° / 38°3°
Wind
15 mph25 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 60°16°, low 51°11°. Typical 54°12° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 60.
Night: A slight chance of rain after 8pm. Partly cloudy, with a low around 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–66°19°
Low, likely
45°7°–51°11°
Typical high / low
54°12° / 38°3°
Wind
15 mph23 km/h, gusts 24 mph39 km/h
UV peak
3
Thursday, Oct 29. Rain. High 66°19°, low 47°8°. Typical 54°12° / 38°3°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 8am. Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–70°21°
Low, likely
47°8°–56°13°
Typical high / low
54°12° / 38°3°
Wind
15 mph25 km/h, gusts 33 mph53 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 60°16°, low 48°9°. Typical 53°12° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 47°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–69°21°
Low, likely
38°3°–54°12°
Typical high / low
53°12° / 37°3°
Wind
14 mph23 km/h, gusts 30 mph48 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 64°18°, low 53°12°. Typical 53°12° / 37°3°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 54°12°
  30% chance · 0.04 in1.1 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
54°12°–71°22°
Low, likely
50°10°–55°13°
Typical high / low
53°12° / 37°3°
Wind
15 mph25 km/h, gusts 26 mph42 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 64°18°, low 54°12°. Typical 52°11° / 37°3°. Rain 0.26 in6.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Showers, 54°12°
  30% chance · 0.09 in2.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  40% chance · 0.05 in1.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  40% chance · 0.15 in3.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  40% chance · 0.1 in2.6 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
58°14°–71°22°
Low, likely
49°9°–58°14°
Typical high / low
52°11° / 37°3°
Wind
25 mph40 km/h, gusts 34 mph55 km/h
Monday, Nov 2. Cloudy. High 59°15°, low 49°9°. Typical 52°11° / 36°2°. Rain 0.36 in9.1 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  30% chance · 0.06 in1.6 mm
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  30% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  20% chance · 0.08 in2 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
56°13°–61°16°
Low, likely
42°6°–56°13°
Typical high / low
52°11° / 36°2°
Wind
19 mph31 km/h, gusts 39 mph62 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 43°.
Tomorrow
Dry, high 67°, low 49°, warming up.
Monday
Dry, high 56°, low 42°, cooling off.
Rest of week
Highs 52–66°; chance of precipitation on Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DTX) (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

Black River near Jeddo

19 mi

Below flood stage

Level: 3.0 ft
Flow: 18 cfs

Reading from Sat 3 AM · NWS gauge page

For your home

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

Heating this week

About 83% less heating than a typical week.

This week 23Typical 131

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 12
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 41°F).

Open the windows?

Sun, 12:00 PM–7:00 PM

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

Is this typical?

Lexington Water Plant · official normals 1991–2020 · records 2001–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

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

Port Sanilac weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 37 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 40 min less
Golden hour: 5:52–6:50 PM; Morning 7:37–8:35 AM
Blue hour: 6:50–7:01 PM; Morning 7:26–7:37 AM; first light 7:26 AM

Stars tonight? Good

Clear 5–7:26 AM; moon 96% lit, sets 6:06 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:06 AM · rises 5:30 PM
Full moon: Oct 26
New moon: Nov 9

Looking east from Port Sanilac. 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