Dense Fog Advisory
Ends in 6 h 21 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 3:10 AM EDT at KAZO

Kalamazoo, MI weather

Clear and 45°7°, 10°6° warmer than a typical Oct 24.

Mostly agree

Now 45°7°

Clear

Wind: Calm; Up to 5 mph8 km/h through 3 PM
Dew point: 43°6°; Comfortable · up to 51°11° by 11 AM
Humidity: 93%; Air 45°7°, dew point 43°6° · fog or dew likely
UV index: 0Low; Moderate 12–5 PM · peak 4
Air quality: 77Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.4 inHg1029 hPa; Rising slowly · +0.02 inHg+0.7 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (44°7° then, 45°7° now)

Good hours for

Fog today 5–11 AM
Low 43°6° today at 7 AM
Above 60°16° today by noon
High 69°21° today at 4 PM
Below 60°16° tonight after 8 PM

TonightNear 45°7° · Partly cloudy
This morningUp to 55°13° by 11 AM · Mostly cloudy
This afternoonUp to 69°21° by 4 PM · Partly cloudy
TonightDown to 46°8° by 5 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 71°22° by 4 PM · Mostly cloudy
Tomorrow nightDown to 51°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 3a	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	100%	8%	0
Sat 4a	Mostly clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	2 mph3 km/h from SSE, gusts 7 mph12 km/h	100%	24%	0
Sat 5a	Fog	44°7° (likely 44°7° to 47°8°)	44°7°	0%	2 mph3 km/h from SE, gusts 5 mph9 km/h	100%	47%	0
Sat 6a	Fog	44°7° (likely 44°7° to 47°8°)	44°7°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	100%	74%	0
Sat 7a	Fog	43°6° (likely 43°6° to 47°8°)	43°6°	0%	2 mph3 km/h from SE, gusts 10 mph16 km/h	100%	79%	0
Sat 8a	Fog	44°7° (likely 44°7° to 47°8°)	44°7°	0%	2 mph3 km/h from SE, gusts 10 mph16 km/h	100%	71%	0
Sat 9a	Fog	46°8° (likely 45°7° to 49°9°)	46°8°	0%	2 mph3 km/h from SSE, gusts 9 mph14 km/h	100%	84%	0
Sat 10a	Fog	50°10° (likely 46°8° to 52°11°)	50°10°	0%	2 mph3 km/h from SSE, gusts 9 mph14 km/h	100%	87%	1
Sat 11a	Partly sunny	55°13° (likely 49°9° to 56°13°)	55°13°	0%	3 mph5 km/h from SSE, gusts 10 mph15 km/h	86%	83%	2
Sat 12p	Cloudy	60°16° (likely 52°11° to 60°16°)	60°16°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	72%	77%	3
Sat 1p	Cloudy	64°18° (likely 56°13° to 64°18°)	64°18°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	60%	64%	3
Sat 2p	Cloudy	67°19° (likely 60°16° to 67°19°)	67°19°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	50%	58%	4
Sat 3p	Partly sunny	67°19° (likely 63°17° to 68°20°)	67°19°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	49%	39%	3
Sat 4p	Cloudy	69°21° (likely 64°18° to 69°21°)	69°21°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	44%	54%	3
Sat 5p	Partly sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	3 mph5 km/h from S, gusts 6 mph10 km/h	47%	57%	2
Sat 6p	Partly sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	2 mph3 km/h from SSE, gusts 7 mph12 km/h	50%	74%	1
Sat 7p	Cloudy	63°17° (likely 57°14° to 63°17°)	63°17°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	56%	72%	0
Sat 8p	Cloudy	56°13° (likely 55°13° to 58°14°)	56°13°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	69%	68%	0
Sat 9p	Partly cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	77%	52%	0
Sat 10p	Mostly clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	2 mph3 km/h from SSE, gusts 10 mph16 km/h	80%	22%	0
Sat 11p	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	3 mph5 km/h from SSE, gusts 10 mph16 km/h	83%	8%	0
Sun 12a	Clear	50°10° (likely 49°9° to 52°11°)	50°10°	0%	2 mph3 km/h from SSE, gusts 9 mph15 km/h	83%	10%	0
Sun 1a	Clear	49°9° (likely 47°8° to 51°11°)	49°9°	0%	2 mph3 km/h from SSE, gusts 9 mph15 km/h	86%	8%	0
Sun 2a	Clear	48°9° (likely 47°8° to 51°11°)	48°9°	0%	2 mph3 km/h from SSE, gusts 10 mph16 km/h	89%	11%	0
Sun 3a	Clear	48°9° (likely 46°8° to 50°10°)	48°9°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	89%	17%	0
Sun 4a	Partly cloudy	47°8° (likely 46°8° to 49°9°)	47°8°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	93%	62%	0
Sun 5a	Partly cloudy	46°8° (likely 45°7° to 49°9°)	46°8°	0%	2 mph3 km/h from S, gusts 10 mph15 km/h	96%	59%	0
Sun 6a	Partly cloudy	46°8° (likely 45°7° to 48°9°)	46°8°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	93%	66%	0
Sun 7a	Partly cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	93%	80%	0
Sun 8a	Cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	93%	89%	0
Sun 9a	Cloudy	47°8° (likely 47°8° to 49°9°)	46°8°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	93%	82%	0
Sun 10a	Mostly sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	83%	47%	1
Sun 11a	Partly sunny	58°14° (likely 57°14° to 59°15°)	58°14°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	72%	60%	2
Sun 12p	Partly sunny	63°17° (likely 61°16° to 64°18°)	63°17°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	60%	58%	3
Sun 1p	Mostly cloudy	67°19° (likely 65°18° to 68°20°)	67°19°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	52%	75%	3
Sun 2p	Cloudy	69°21° (likely 67°19° to 70°21°)	69°21°	0%	6 mph10 km/h from SSW, gusts 10 mph16 km/h	47%	81%	3
Sun 3p	Partly sunny	70°21° (likely 68°20° to 72°22°)	70°21°	0%	6 mph10 km/h from S, gusts 10 mph16 km/h	44%	58%	3
Sun 4p	Partly sunny	71°22° (likely 68°20° to 72°22°)	71°22°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	42%	53%	2
Sun 5p	Partly sunny	70°21° (likely 67°19° to 72°22°)	70°21°	0%	5 mph8 km/h from SSW, gusts 9 mph14 km/h	44%	64%	2
Sun 6p	Partly sunny	68°20° (likely 64°18° to 69°21°)	68°20°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	49%	47%	1
Sun 7p	Partly cloudy	65°18° (likely 60°16° to 65°18°)	65°18°	0%	2 mph3 km/h from S, gusts 5 mph7 km/h	54%	59%	0
Sun 8p	Cloudy	58°14° (likely 57°14° to 60°16°)	58°14°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	69%	81%	0
Sun 9p	Partly cloudy	56°13° (likely 55°13° to 59°15°)	56°13°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	74%	83%	0
Sun 10p	Partly cloudy	54°12° (likely 54°12° to 58°14°)	54°12°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	77%	75%	0
Sun 11p	Partly cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	77%	55%	0
Mon 12a	Partly cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	77%	68%	0
Mon 1a	Partly cloudy	52°11° (likely 51°11° to 55°13°)	52°11°	0%	1 mph2 km/h from SSW, gusts 4 mph7 km/h	77%	48%	0
Mon 2a	Cloudy	51°11° (likely 49°9° to 55°13°)	51°11°	0%	1 mph2 km/h from SSW, gusts 4 mph7 km/h	80%	69%	0

Days ahead

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

Today, Oct 24. Fog. High 69°21°, low 43°6°. Typical 59°15° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Today: Areas of fog before 11am. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. South southeast wind around 5 mph.
Tonight: Patchy fog. Partly cloudy, with a low around 43. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
43°6°–46°8°
Typical high / low
59°15° / 41°5°
Wind
7 mph11 km/h, gusts 14 mph22 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 71°22°, low 47°8°. Typical 59°15° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 71. South wind 2 to 6 mph.
Night: Partly cloudy, with a low around 47. South southwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
45°7°–48°9°
Typical high / low
59°15° / 41°5°
Wind
7 mph10 km/h, gusts 15 mph23 km/h
UV peak
3
Monday, Oct 26. Partly sunny. High 68°20°, low 43°6°. Typical 58°14° / 41°5°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Mostly cloudy, with a low around 43.
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 68°20°).
High, likely
67°19°–71°22°
Low, likely
43°6°–51°11°
Typical high / low
58°14° / 41°5°
Wind
11 mph18 km/h, gusts 21 mph34 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 63°17°, low 45°7°. Typical 58°14° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 63.
Night: Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–68°20°
Low, likely
45°7°–48°9°
Typical high / low
58°14° / 40°4°
Wind
12 mph19 km/h, gusts 23 mph36 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 71°22°, low 51°11°. Typical 58°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 71.
Night: A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
48°9°–54°12°
Typical high / low
58°14° / 40°4°
Wind
12 mph19 km/h, gusts 22 mph36 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 45°7°. Typical 57°14° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–74°23°
Low, likely
45°7°–58°14°
Typical high / low
57°14° / 40°4°
Wind
15 mph24 km/h, gusts 29 mph47 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 67°19°, low 50°10°. Typical 57°14° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–75°24°
Low, likely
40°4°–58°14°
Typical high / low
57°14° / 40°4°
Wind
10 mph15 km/h, gusts 19 mph31 km/h
Saturday, Oct 31. Cloudy. High 69°21°, low 55°13°. Typical 56°13° / 39°4°. Rain 0.12 in3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  20% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 63°17°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Rain, 58°15°
  40% chance · 0.12 in3 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
67°19°–74°23°
Low, likely
51°11°–58°14°
Typical high / low
56°13° / 39°4°
Wind
14 mph22 km/h, gusts 27 mph43 km/h
UV peak
2
Sunday, Nov 1. Showers. High 65°18°, low 57°14°. Typical 56°13° / 39°4°. Rain 0.5 in13 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Showers, 59°15°
  50% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  40% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  40% chance · 0.35 in8.8 mm
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  50% chance · 0.12 in3.1 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
58°14°–71°22°
Low, likely
54°12°–63°17°
Typical high / low
56°13° / 39°4°
Wind
17 mph27 km/h, gusts 36 mph57 km/h
Monday, Nov 2. Cloudy. High 61°16°, low 47°8°. Typical 55°13° / 39°4°. Rain 0.38 in9.7 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  40% chance · 0.05 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 58°14°
  30% chance · 0.15 in3.8 mm
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  20% chance · 0.1 in2.5 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
60°16°–63°17°
Low, likely
41°5°–51°11°
Typical high / low
55°13° / 39°4°
Wind
18 mph29 km/h, gusts 40 mph64 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 69°, low 43°.
Tomorrow
Dry, high 71°, low 47°.
Monday
Dry, high 68°, low 43°, cooling off.
Rest of week
Highs 61–71°; chance of precipitation on Sunday.

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

Portage Creek at Kalamazoo

0.6 mi

Level: 2.2 ft
Flow: 38 cfs

Reading from Sat 1:30 AM · NWS gauge page

West Fork Portage Creek at Kalamazoo

2.5 mi

Level: 2.5 ft
Flow: 10 cfs

Reading from Sat 1:45 AM · NWS gauge page

Kalamazoo River at Comstock

3.9 mi

Below flood stage

Level: 4.1 ft
Flow: 628 cfs

Reading from Sat 1:15 AM · NWS gauge page

West Fork Portage Creek near Oshtemo

4.1 mi

Level: 1.6 ft
Flow: 7 cfs

Reading from Sat 1:15 AM · NWS gauge page

For your home

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

Heating this week

About 82% less heating than a typical week.

This week 20Typical 111

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 43°F).

Open the windows?

Today, 12:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Gull Lake Biological Station · official normals 1991–2020 · records 1929–2026

Oct 24, today vs a typical year

Today’s expected high is 10°6° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 41 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 6:07–7:04 PM; Morning 7:48–8:44 AM
Blue hour: 7:04–7:15 PM; Morning 7:37–7:48 AM; first light 7:37 AM

Stars tonight? Fair

Mostly clear 3:39–5 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:17 AM · rises 5:44 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Kalamazoo. The highest point on the skyline is about 1,500 ft, 9 mi away.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