Dense Fog Advisory
Ends in 1 h 51 min
When
Until 10 AM EDT this morning.
Where
Portions of central, south central, and southwest Michigan.
Issued for this forecast zone · National Weather Service Grand Rapids 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: Osceola; Clare; Mecosta; Isabella; Montcalm; Gratiot; Kent; Ionia; Clinton; Barry; Eaton; Ingham; Kalamazoo; Calhoun; Jackson
See it on weather.gov (opens in a new tab)

Observed 7:45 AM EDT at KGRR

Comstock Park, MI weather

Foggy and 45°7°, 11°6° warmer than a typical Oct 24.

Forecasts agree

Now 45°7°

Fog

Wind: Calm; Up to 6 mph10 km/h through 8 PM
Visibility: 1.7 mi2.7 km; Fog · under 3 mi5 km
Dew point: 45°7°; Comfortable
Humidity: 100%; Air 45°7°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 1–3 PM · peak 3
Air quality: 68Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.44 inHg1031 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Fog until 11 AM
Above 60°16° today by noon
High 68°20° today at 5 PM
Below 60°16° tonight after 8 PM

This morningUp to 56°13° by 11 AM · Mostly cloudy
This afternoonUp to 68°20° by 5 PM · Mostly cloudy
TonightDown to 48°9° by 4 AM · Partly cloudy
Tomorrow morningUp to 59°15° by 11 AM · Cloudy
Tomorrow afternoonUp to 69°21° by 4 PM · Partly cloudy
Tomorrow nightDown to 49°9° by 4 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 8a	Fog	44°7° (likely 42°6° to 47°8°)	42°6°	0%	3 mph5 km/h from ESE, gusts 6 mph9 km/h	100%	54%	0
Sat 9a	Fog	46°8° (likely 45°7° to 49°9°)	44°7°	0%	5 mph8 km/h from ESE, gusts 9 mph14 km/h	100%	81%	0
Sat 10a	Fog	51°11° (likely 48°9° to 53°12°)	51°11°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	96%	84%	1
Sat 11a	Cloudy	56°13° (likely 50°10° to 57°14°)	56°13°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	86%	84%	1
Sat 12p	Cloudy	61°16° (likely 52°11° to 61°16°)	61°16°	0%	6 mph10 km/h from SSE, gusts 9 mph15 km/h	72%	77%	2
Sat 1p	Partly sunny	64°18° (likely 56°13° to 64°18°)	64°18°	0%	6 mph10 km/h from SSE, gusts 9 mph15 km/h	63%	65%	3
Sat 2p	Partly sunny	66°19° (likely 61°16° to 67°19°)	66°19°	0%	6 mph10 km/h from S, gusts 10 mph16 km/h	56%	56%	3
Sat 3p	Partly sunny	67°19° (likely 64°18° to 68°20°)	67°19°	0%	6 mph10 km/h from S, gusts 9 mph15 km/h	54%	58%	2
Sat 4p	Partly sunny	67°19° (likely 65°18° to 68°20°)	67°19°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	52%	71%	1
Sat 5p	Cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	51%	59%	1
Sat 6p	Cloudy	65°18° (likely 63°17° to 65°18°)	65°18°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	56%	60%	0
Sat 7p	Mostly clear	62°17° (likely 57°14° to 62°17°)	62°17°	0%	3 mph5 km/h from SSE, gusts 7 mph12 km/h	60%	25%	0
Sat 8p	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	67%	15%	0
Sat 9p	Clear	54°12° (likely 50°10° to 56°13°)	54°12°	0%	2 mph3 km/h from SSE, gusts 9 mph15 km/h	77%	12%	0
Sat 10p	Clear	53°12° (likely 49°9° to 54°12°)	53°12°	0%	2 mph3 km/h from SSE, gusts 9 mph15 km/h	80%	17%	0
Sat 11p	Clear	52°11° (likely 48°9° to 53°12°)	52°11°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	80%	17%	0
Sun 12a	Clear	51°11° (likely 47°8° to 52°11°)	51°11°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	83%	8%	0
Sun 1a	Partly cloudy	51°11° (likely 46°8° to 51°11°)	51°11°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	83%	26%	0
Sun 2a	Partly cloudy	50°10° (likely 46°8° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	83%	28%	0
Sun 3a	Mostly clear	50°10° (likely 46°8° to 50°10°)	48°9°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	83%	31%	0
Sun 4a	Cloudy	48°9° (likely 46°8° to 50°10°)	46°8°	5%	5 mph8 km/h from S, gusts 8 mph12 km/h	89%	72%	0
Sun 5a	Cloudy	48°9° (likely 44°7° to 50°10°)	46°8°	5%	5 mph8 km/h from S, gusts 7 mph12 km/h	86%	78%	0
Sun 6a	Cloudy	48°9° (likely 44°7° to 49°9°)	46°8°	5%	5 mph8 km/h from S, gusts 7 mph11 km/h	86%	80%	0
Sun 7a	Cloudy	47°8° (likely 43°6° to 49°9°)	45°7°	5%	5 mph8 km/h from S, gusts 7 mph11 km/h	89%	84%	0
Sun 8a	Cloudy	48°9° (likely 44°7° to 49°9°)	46°8°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	86%	90%	0
Sun 9a	Cloudy	49°9° (likely 44°7° to 51°11°)	47°8°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	89%	96%	0
Sun 10a	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	80%	88%	1
Sun 11a	Cloudy	59°15° (likely 56°13° to 59°15°)	59°15°	0%	6 mph10 km/h from SSW, gusts 12 mph19 km/h	72%	91%	2
Sun 12p	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	7 mph11 km/h from SSW, gusts 12 mph20 km/h	65%	93%	2
Sun 1p	Cloudy	66°19° (likely 63°17° to 66°19°)	66°19°	0%	7 mph11 km/h from SSW, gusts 13 mph21 km/h	61%	92%	3
Sun 2p	Cloudy	68°20° (likely 66°19° to 68°20°)	68°20°	0%	7 mph11 km/h from SW, gusts 13 mph21 km/h	55%	77%	3
Sun 3p	Partly sunny	68°20° (likely 68°20° to 69°21°)	68°20°	0%	8 mph13 km/h from SW, gusts 13 mph20 km/h	55%	53%	3
Sun 4p	Sunny	69°21° (likely 68°20° to 69°21°)	69°21°	0%	7 mph11 km/h from SW, gusts 12 mph19 km/h	53%	14%	2
Sun 5p	Sunny	68°20° (likely 67°19° to 69°21°)	68°20°	0%	7 mph11 km/h from SW, gusts 12 mph19 km/h	53%	16%	1
Sun 6p	Partly sunny	66°19° (likely 64°18° to 67°19°)	66°19°	0%	6 mph10 km/h from SW, gusts 11 mph18 km/h	56%	58%	1
Sun 7p	Partly cloudy	63°17° (likely 60°16° to 63°17°)	63°17°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	62%	73%	0
Sun 8p	Cloudy	57°14° (likely 56°13° to 58°14°)	57°14°	0%	2 mph3 km/h from SW, gusts 7 mph11 km/h	75%	78%	0
Sun 9p	Partly cloudy	55°13° (likely 54°12° to 56°13°)	55°13°	0%	2 mph3 km/h from SSW, gusts 6 mph10 km/h	80%	71%	0
Sun 10p	Partly cloudy	54°12° (likely 53°12° to 55°13°)	54°12°	0%	2 mph3 km/h from SSW, gusts 5 mph8 km/h	83%	75%	0
Sun 11p	Partly cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	0%	2 mph3 km/h from SSW, gusts 5 mph8 km/h	83%	73%	0
Mon 12a	Partly cloudy	52°11° (likely 51°11° to 55°13°)	52°11°	0%	2 mph3 km/h from SSW, gusts 5 mph8 km/h	86%	69%	0
Mon 1a	Mostly cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	1 mph2 km/h from SSW, gusts 5 mph9 km/h	86%	62%	0
Mon 2a	Cloudy	51°11° (likely 50°10° to 54°12°)	51°11°	0%	1 mph2 km/h from SSW, gusts 7 mph10 km/h	89%	60%	0
Mon 3a	Mostly cloudy	50°10° (likely 49°9° to 53°12°)	50°10°	0%	1 mph2 km/h from S, gusts 3 mph5 km/h	93%	50%	0
Mon 4a	Mostly cloudy	49°9° (likely 49°9° to 52°11°)	49°9°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	93%	51%	0
Mon 5a	Mostly cloudy	49°9° (likely 49°9° to 52°11°)	49°9°	0%	2 mph3 km/h from NE, gusts 3 mph4 km/h	93%	68%	0
Mon 6a	Mostly cloudy	48°9° (likely 48°9° to 52°11°)	48°9°	0%	2 mph3 km/h from NE, gusts 3 mph5 km/h	93%	69%	0
Mon 7a	Mostly cloudy	48°9° (likely 47°8° to 54°12°)	47°8°	0%	3 mph5 km/h from NE, gusts 4 mph7 km/h	93%	58%	0

Days ahead

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

Today, Oct 24. Fog. High 68°20°, low 46°8°. Typical 57°14° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 48°9°
  Dry
Official NWS forecast
Today: Areas of fog before 11am. Partly sunny, with a high near 68. South southeast wind around 6 mph.
Tonight: Partly cloudy. Low around 46, with temperatures rising to around 48 overnight. South southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–68°20°
Low, likely
40°4°–46°8°
Typical high / low
57°14° / 40°4°
Wind
6 mph10 km/h, gusts 14 mph22 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 69°21°, low 48°9°. Typical 57°14° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 49°9°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 69. South southwest wind 5 to 8 mph.
Night: Partly cloudy, with a low around 48. South wind 1 to 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–69°21°
Low, likely
43°6°–49°9°
Typical high / low
57°14° / 39°4°
Wind
8 mph13 km/h, gusts 15 mph25 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 63°17°, low 42°6°. Typical 56°13° / 39°4°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63. Northeast wind 2 to 7 mph.
Night: Mostly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 63°17°).
High, likely
61°16°–66°19°
Low, likely
42°6°–49°9°
Typical high / low
56°13° / 39°4°
Wind
10 mph16 km/h, gusts 22 mph35 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 59°15°, low 45°7°. Typical 56°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 59.
Night: Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
44°7°–47°8°
Typical high / low
56°13° / 39°4°
Wind
11 mph18 km/h, gusts 24 mph38 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 69°21°, low 51°11°. Typical 55°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 69.
Night: A slight chance of rain showers after 8pm. Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
49°9°–54°12°
Typical high / low
55°13° / 38°3°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 65°18°, low 44°7°. Typical 55°13° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 56°14°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 8am. Mostly sunny, with a high near 65.
Night: A slight chance of rain showers after 2am. Partly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
44°7°–56°13°
Typical high / low
55°13° / 38°3°
Wind
15 mph24 km/h, gusts 27 mph44 km/h
UV peak
3
Friday, Oct 30. Showers. High 64°18°, low 45°7°. Typical 54°12° / 38°3°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 64.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–72°22°
Low, likely
38°3°–56°13°
Typical high / low
54°12° / 38°3°
Wind
10 mph16 km/h, gusts 24 mph39 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 66°19°, low 52°11°. Typical 54°12° / 38°3°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.05 in1.4 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
56°13°–73°23°
Low, likely
40°4°–58°14°
Typical high / low
54°12° / 38°3°
Wind
11 mph18 km/h, gusts 25 mph40 km/h
UV peak
2
Sunday, Nov 1. Rain. High 65°18°, low 57°14°. Typical 54°12° / 37°3°. Rain 0.54 in14 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  50% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  50% chance · 0.1 in2.5 mm
3. Evening
  6 PM–midnight
  Rain, 60°16°
  50% chance · 0.42 in11 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  50% 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
60°16°–73°23°
Low, likely
48°9°–63°17°
Typical high / low
54°12° / 37°3°
Wind
18 mph28 km/h, gusts 35 mph56 km/h
UV peak
1
Monday, Nov 2. Rain. High 61°16°, low 53°12°. Typical 53°12° / 37°3°. Rain 0.37 in9.4 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  40% chance
2. Afternoon
  noon–6 PM
  Drizzle, 60°16°
  30% chance · 0.12 in3.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 56°13°
  30% chance · 0.21 in5.3 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
58°14°–64°18°
Low, likely
45°7°–59°15°
Typical high / low
53°12° / 37°3°
Wind
17 mph27 km/h, gusts 37 mph59 km/h

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 46°.
Tomorrow
Dry, high 69°, low 48°.
Monday
Dry, high 63°, low 42°, cooling off.
Rest of week
Highs 59–69°; chance of precipitation on Sunday, Monday.

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

Grand River at Grand Rapids

5.6 mi

Below flood stage

Level: 1.6 ft
Flow: 1,700 cfs

Forecast peak 1.5 ft Sat 8 AM

Reading from Sat 5 AM · NWS gauge page

Grand River at North Park St at Grand Rapids

1.7 mi

Level: 3.4 ft

Reading from Sat 5 AM · NWS gauge page

Rogue River at Rockford

5.1 mi

Below flood stage

Level: 3.8 ft
Flow: 122 cfs

Reading from Sat 6 AM · NWS gauge page

Plaster Creek at Grand Rapids - 28th Street

9.2 mi

Level: 3.1 ft
Flow: 10 cfs

Reading from Sat 5 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 18Typical 125

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 2
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 45°F).

Open the windows?

Today, 12:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Grand Rapids Gerald R Ford International Airport · official normals 1991–2020 · records 1892–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° warmer than typical.

Last 7 days vs normal

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

±0°SunOct 18
+2°+1°MonOct 19
+3°+2°TueOct 20
+5°+3°WedOct 21
+6°+3°ThuOct 22
+7°+4°FriOct 23
—SatOct 24

Comstock Park weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 38 min less
Golden hour: 6:06–7:03 PM; Morning 7:49–8:46 AM
Blue hour: 7:03–7:14 PM; Morning 7:38–7:49 AM; first light 7:38 AM

Stars tonight? Fair

Mostly clear 7:14 PM–1 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:18 AM · rises 5:44 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Comstock Park. A level 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

Comstock Park, MI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Grand River at Grand Rapids

Grand River at North Park St at Grand Rapids

Rogue River at Rockford

Plaster Creek at Grand Rapids - 28th Street

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon