Dense Fog Advisory
Ends in 2 h 10 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 6:35 AM EDT at KRQB

Big Rapids, MI weather

Foggy and 36°2°, 13°7° warmer than a typical Oct 24.

Mostly agree

Now 36°2°

Fog

Wind: Calm; Up to 8 mph13 km/h through 7 PM
Visibility: 0.5 mi0.8 km; Fog · under 1 mi1.6 km
Dew point: 36°2°; Comfortable · up to 47°8° by 10 AM
Humidity: 100%; Air 36°2°, dew point 36°2° · frost likely
UV index: 0Low; Moderate 1–3 PM · peak 3
Air quality: 60Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.43 inHg1030 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

13°7° cooler than this time yesterday (48°9° then, 36°2° now)

Good hours for

Fog today 8–11 AM
Above 50°10° today by 11 AM
High 67°19° today at 5 PM
Below 60°16° tonight after 8 PM

This morningUp to 54°12° by 11 AM · Mostly cloudy
This afternoonUp to 67°19° by 5 PM · Partly cloudy
TonightDown to 45°7° by 4 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Cloudy
Tomorrow afternoonUp to 69°21° by 4 PM · Mostly cloudy
Tomorrow nightDown to 47°8° by 3 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	Clear	39°4° (likely 38°3° to 44°7°)	39°4°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	100%	21%	0
Sat 8a	Fog	39°4° (likely 38°3° to 44°7°)	39°4°	0%	2 mph3 km/h from SSE, gusts 6 mph9 km/h	100%	61%	0
Sat 9a	Fog	41°5° (likely 41°5° to 46°8°)	39°4°	0%	3 mph5 km/h from SSE, gusts 6 mph10 km/h	100%	66%	0
Sat 10a	Fog	48°9° (likely 45°7° to 51°11°)	47°8°	0%	3 mph5 km/h from SSE, gusts 12 mph19 km/h	96%	76%	1
Sat 11a	Cloudy	54°12° (likely 49°9° to 56°13°)	54°12°	0%	5 mph8 km/h from S, gusts 13 mph21 km/h	86%	81%	1
Sat 12p	Cloudy	59°15° (likely 53°12° to 60°16°)	59°15°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	72%	67%	2
Sat 1p	Sunny	63°17° (likely 58°14° to 63°17°)	63°17°	0%	7 mph11 km/h from S, gusts 13 mph21 km/h	60%	35%	3
Sat 2p	Partly sunny	65°18° (likely 61°16° to 66°19°)	65°18°	0%	8 mph13 km/h from S, gusts 13 mph21 km/h	54%	37%	3
Sat 3p	Cloudy	66°19° (likely 64°18° to 67°19°)	66°19°	0%	7 mph11 km/h from S, gusts 12 mph19 km/h	50%	79%	2
Sat 4p	Partly sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	7 mph11 km/h from S, gusts 11 mph18 km/h	50%	48%	1
Sat 5p	Cloudy	67°19° (likely 64°18° to 67°19°)	67°19°	0%	7 mph11 km/h from S, gusts 11 mph18 km/h	49%	75%	1
Sat 6p	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	52%	73%	0
Sat 7p	Cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	60%	71%	0
Sat 8p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	69%	44%	0
Sat 9p	Clear	52°11° (likely 51°11° to 54°12°)	52°11°	0%	2 mph3 km/h from SSE, gusts 11 mph18 km/h	83%	32%	0
Sat 10p	Partly cloudy	50°10° (likely 49°9° to 53°12°)	50°10°	5%	2 mph3 km/h from S, gusts 9 mph15 km/h	86%	22%	0
Sat 11p	Clear	48°9° (likely 47°8° to 51°11°)	47°8°	5%	3 mph5 km/h from S, gusts 8 mph13 km/h	89%	10%	0
Sun 12a	Clear	48°9° (likely 46°8° to 50°10°)	47°8°	5%	3 mph5 km/h from S, gusts 9 mph15 km/h	89%	13%	0
Sun 1a	Clear	47°8° (likely 46°8° to 50°10°)	46°8°	5%	3 mph5 km/h from S, gusts 8 mph13 km/h	89%	17%	0
Sun 2a	Partly cloudy	46°8° (likely 45°7° to 49°9°)	45°7°	5%	3 mph5 km/h from S, gusts 9 mph14 km/h	89%	24%	0
Sun 3a	Partly cloudy	46°8° (likely 45°7° to 49°9°)	45°7°	5%	3 mph5 km/h from S, gusts 9 mph15 km/h	89%	51%	0
Sun 4a	Cloudy	45°7° (likely 45°7° to 48°9°)	44°7°	5%	3 mph5 km/h from S, gusts 10 mph16 km/h	93%	82%	0
Sun 5a	Cloudy	45°7° (likely 45°7° to 49°9°)	44°7°	5%	3 mph5 km/h from S, gusts 10 mph15 km/h	89%	87%	0
Sun 6a	Cloudy	45°7° (likely 45°7° to 49°9°)	44°7°	5%	3 mph5 km/h from S, gusts 9 mph14 km/h	89%	94%	0
Sun 7a	Cloudy	44°7° (likely 44°7° to 50°10°)	41°5°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	93%	94%	0
Sun 8a	Cloudy	45°7° (likely 45°7° to 50°10°)	43°6°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	89%	93%	0
Sun 9a	Cloudy	47°8° (likely 47°8° to 52°11°)	45°7°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	89%	91%	0
Sun 10a	Cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	0%	6 mph10 km/h from SSW, gusts 10 mph16 km/h	80%	74%	1
Sun 11a	Cloudy	58°14° (likely 58°14° to 58°14°)	58°14°	0%	6 mph10 km/h from SSW, gusts 14 mph22 km/h	72%	90%	2
Sun 12p	Cloudy	62°17° (likely 61°16° to 62°17°)	62°17°	0%	8 mph13 km/h from SSW, gusts 16 mph26 km/h	62%	79%	2
Sun 1p	Cloudy	66°19° (likely 64°18° to 66°19°)	66°19°	0%	8 mph13 km/h from SSW, gusts 16 mph26 km/h	54%	81%	3
Sun 2p	Mostly cloudy	67°19° (likely 66°19° to 67°19°)	67°19°	0%	9 mph14 km/h from SW, gusts 15 mph25 km/h	52%	72%	3
Sun 3p	Partly sunny	68°20° (likely 67°19° to 69°21°)	68°20°	0%	9 mph14 km/h from SW, gusts 15 mph25 km/h	51%	73%	3
Sun 4p	Mostly sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	9 mph14 km/h from SW, gusts 15 mph24 km/h	49%	47%	2
Sun 5p	Partly sunny	67°19° (likely 66°19° to 68°20°)	67°19°	0%	8 mph13 km/h from SW, gusts 14 mph23 km/h	50%	44%	1
Sun 6p	Cloudy	66°19° (likely 64°18° to 66°19°)	66°19°	0%	7 mph11 km/h from SW, gusts 13 mph20 km/h	52%	73%	1
Sun 7p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	6 mph10 km/h from SW, gusts 9 mph15 km/h	60%	77%	0
Sun 8p	Mostly cloudy	55°13° (likely 55°13° to 59°15°)	55°13°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	80%	70%	0
Sun 9p	Cloudy	53°12° (likely 53°12° to 59°15°)	53°12°	0%	2 mph3 km/h from SW, gusts 7 mph11 km/h	86%	80%	0
Sun 10p	Cloudy	51°11° (likely 51°11° to 58°14°)	51°11°	0%	2 mph3 km/h from WSW, gusts 7 mph12 km/h	93%	80%	0
Sun 11p	Cloudy	50°10° (likely 50°10° to 57°14°)	50°10°	0%	2 mph3 km/h from WSW, gusts 8 mph13 km/h	93%	79%	0
Mon 12a	Cloudy	49°9° (likely 49°9° to 56°13°)	49°9°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	93%	75%	0
Mon 1a	Cloudy	48°9° (likely 48°9° to 55°13°)	48°9°	0%	1 mph2 km/h from WNW, gusts 10 mph16 km/h	96%	68%	0
Mon 2a	Cloudy	48°9° (likely 48°9° to 54°12°)	48°9°	0%	1 mph2 km/h from WNW, gusts 11 mph17 km/h	93%	71%	0
Mon 3a	Mostly cloudy	47°8° (likely 47°8° to 55°13°)	47°8°	0%	1 mph2 km/h from NW, gusts 5 mph8 km/h	93%	60%	0
Mon 4a	Mostly cloudy	47°8° (likely 47°8° to 54°12°)	47°8°	0%	2 mph3 km/h from N, gusts 8 mph12 km/h	93%	66%	0
Mon 5a	Cloudy	47°8° (likely 47°8° to 53°12°)	47°8°	0%	2 mph3 km/h from NNE, gusts 9 mph14 km/h	89%	90%	0
Mon 6a	Mostly cloudy	46°8° (likely 46°8° to 52°11°)	46°8°	0%	2 mph3 km/h from NNE, gusts 9 mph14 km/h	86%	75%	0

Days ahead

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

Today, Oct 24. Fog. High 67°19°, low 43°6°. Typical 54°12° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Official NWS forecast
Today: Patchy fog between 8am and 11am. Partly sunny, with a high near 67. South southeast wind 2 to 8 mph.
Tonight: Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. South wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–67°19°
Low, likely
38°3°–43°6°
Typical high / low
54°12° / 34°1°
Wind
7 mph12 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 69°21°, low 45°7°. Typical 54°12° / 34°1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 47°8°
  Dry
Official NWS forecast
Day: Partly sunny. High near 69, with temperatures falling to around 67 in the afternoon. South southwest wind 3 to 9 mph, with gusts as high as 20 mph.
Night: Partly cloudy, with a low around 45. West northwest wind 1 to 7 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
45°7°–48°9°
Typical high / low
54°12° / 34°1°
Wind
9 mph15 km/h, gusts 19 mph30 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 59°15°, low 34°1°. Typical 53°12° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 59. North northeast wind 2 to 7 mph.
Night: Mostly cloudy, with a low around 34.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
34°1°–48°9°
Typical high / low
53°12° / 33°1°
Wind
10 mph15 km/h, gusts 16 mph26 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 55°13°, low 38°3°. Typical 53°12° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 55.
Night: Mostly cloudy, with a low around 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–62°17°
Low, likely
38°3°–46°8°
Typical high / low
53°12° / 33°1°
Wind
12 mph19 km/h, gusts 26 mph42 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 67°19°, low 47°8°. Typical 52°11° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 56°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67.
Night: A chance of rain showers after 8pm. Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
44°7°–53°12°
Typical high / low
52°11° / 33°1°
Wind
12 mph19 km/h, gusts 24 mph39 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 64°18°, low 39°4°. Typical 52°11° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  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 64.
Night: A slight chance of rain showers after 2am. Partly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–68°20°
Low, likely
39°4°–54°12°
Typical high / low
52°11° / 32°0°
Wind
16 mph25 km/h, gusts 31 mph50 km/h
UV peak
3
Friday, Oct 30. Showers. High 63°17°, low 39°4°. Typical 52°11° / 32°0°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  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 63.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–70°21°
Low, likely
38°3°–53°12°
Typical high / low
52°11° / 32°0°
Wind
11 mph18 km/h, gusts 21 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 65°18°, low 50°10°. Typical 51°11° / 32°0°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 55°13°
  40% chance · 0.03 in0.7 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°–72°22°
Low, likely
38°3°–57°14°
Typical high / low
51°11° / 32°0°
Wind
11 mph18 km/h, gusts 26 mph41 km/h
UV peak
2
Sunday, Nov 1. Rain. High 64°18°, low 55°13°. Typical 51°11° / 32°0°. Rain 0.44 in11 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  50% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Fog, 64°18°
  50% chance · 0.08 in1.9 mm
3. Evening
  6 PM–midnight
  Rain, 60°15°
  40% chance · 0.37 in9.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.2 in5 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°–72°22°
Low, likely
47°8°–61°16°
Typical high / low
51°11° / 32°0°
Wind
17 mph27 km/h, gusts 32 mph51 km/h
Monday, Nov 2. Rain. High 60°16°, low 51°11°. Typical 50°10° / 31°−1°. Rain 0.44 in11 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.03 in0.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  30% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  30% chance · 0.07 in1.9 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°–63°17°
Low, likely
44°7°–58°14°
Typical high / low
50°10° / 31°−1°
Wind
18 mph29 km/h

10 days15 days30 days

The outlook

Today
Dry, high 67°, low 43°.
Tomorrow
Dry, high 69°, low 45°.
Monday
Dry, high 59°, low 34°, cooling off.
Rest of week
Highs 55–67°; 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

Muskegon River at Evart

18 mi

Below flood stage

Level: 7.3 ft
Flow: 713 cfs

Forecast peak 7.2 ft Sat 8 AM

Reading from Sat 6:15 AM · NWS gauge page

Little Muskegon River near Oak Grove

19 mi

Below flood stage

Level: 3.2 ft
Flow: 162 cfs

Reading from Sat 5:45 AM · NWS gauge page

Muskegon River near Croton Dam

21 mi

Below flood stage

Level: 4.7 ft
Flow: 1,230 cfs

Reading from Sat 6:15 AM · NWS gauge page

Chippewa River near Drew

23 mi

Level: 4.8 ft
Flow: 58 cfs

Reading from Sat 5:30 AM · NWS gauge page

For your home

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

Heating this week

About 86% less heating than a typical week.

This week 22Typical 155

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 15
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 2 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

Today, 1:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Big Rapids Water Treatment Plant · official normals 1991–2020 · records 1896–2026

Oct 24, today vs a typical year

Today’s expected high is 13°7° warmer than typical.

Last 7 days vs normal

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

−4°−2°SunOct 18
+2°+1°MonOct 19
+7°+4°TueOct 20
+6°+3°WedOct 21
—ThuOct 22
+9°+5°FriOct 23
—SatOct 24

Big Rapids weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 6:03–7:02 PM; Morning 7:49–8:47 AM
Blue hour: 7:02–7:13 PM; Morning 7:38–7:49 AM; first light 7:38 AM

Stars tonight? Fair

Mostly clear 10 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:18 AM · rises 5:42 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Big Rapids.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

Big Rapids, MI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Muskegon River at Evart

Little Muskegon River near Oak Grove

Muskegon River near Croton Dam

Chippewa River near Drew

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