Dense Fog Advisory
Ends in 2 h 15 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 KFPK

Olivet, MI weather

Foggy and 48°9°, 11°6° warmer than a typical Oct 24.

Forecasts agree

Now 48°9°

Fog

Wind: Calm; Up to 5 mph8 km/h through 7 PM
Visibility (notable): 0.2 mi0.3 km; Dense fog
Dew point: 48°9°; Comfortable
Humidity: 100%; Air 48°9°, dew point 48°9° · fog or dew likely
UV index: 0Low; Moderate 1–3 PM · peak 3
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

9°5° warmer than this time yesterday (39°4° then, 48°9° now)

Good hours for

Fog until 11 AM
Above 60°16° today by 1 PM
High 68°20° today at 4 PM

This morningUp to 54°12° by 11 AM · Partly cloudy
This afternoonUp to 68°20° by 4 PM · Partly cloudy
TonightDown to 44°7° by 4 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 70°21° by 4 PM · Mostly cloudy
Tomorrow nightDown to 46°8° 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	43°6° (likely 43°6° to 47°8°)	43°6°	0%	2 mph3 km/h from SSE, gusts 7 mph11 km/h	100%	77%	0
Sat 8a	Fog	43°6° (likely 43°6° to 47°8°)	43°6°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	100%	65%	0
Sat 9a	Fog	45°7° (likely 45°7° to 48°9°)	45°7°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	100%	47%	0
Sat 10a	Fog	49°9° (likely 49°9° to 51°11°)	48°9°	0%	3 mph5 km/h from SSE, gusts 10 mph15 km/h	100%	49%	1
Sat 11a	Mostly sunny	54°12° (likely 52°11° to 56°13°)	54°12°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	90%	37%	1
Sat 12p	Partly sunny	58°14° (likely 55°13° to 60°16°)	58°14°	0%	5 mph8 km/h from SSE, gusts 8 mph12 km/h	75%	67%	2
Sat 1p	Partly sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	58%	73%	3
Sat 2p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from SSE, gusts 8 mph12 km/h	50%	37%	3
Sat 3p	Cloudy	66°19° (likely 65°18° to 66°19°)	66°19°	0%	3 mph5 km/h from SSE, gusts 7 mph12 km/h	48%	61%	2
Sat 4p	Cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	0%	3 mph5 km/h from S, gusts 7 mph12 km/h	44%	62%	2
Sat 5p	Cloudy	66°19° (likely 65°18° to 66°19°)	66°19°	0%	3 mph5 km/h from S, gusts 8 mph12 km/h	47%	58%	1
Sat 6p	Cloudy	65°18° (likely 62°17° to 65°18°)	65°18°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	50%	64%	0
Sat 7p	Partly cloudy	61°16° (likely 57°14° to 61°16°)	61°16°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	58%	70%	0
Sat 8p	Partly cloudy	54°12° (likely 54°12° to 55°13°)	54°12°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	71%	55%	0
Sat 9p	Partly cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	80%	20%	0
Sat 10p	Mostly clear	49°9° (likely 49°9° to 52°11°)	48°9°	0%	3 mph5 km/h from SSE, gusts 10 mph16 km/h	86%	11%	0
Sat 11p	Clear	48°9° (likely 48°9° to 50°10°)	47°8°	0%	3 mph5 km/h from SSE, gusts 11 mph17 km/h	86%	5%	0
Sun 12a	Clear	48°9° (likely 47°8° to 49°9°)	47°8°	0%	3 mph5 km/h from SSE, gusts 10 mph16 km/h	86%	10%	0
Sun 1a	Clear	47°8° (likely 46°8° to 48°9°)	46°8°	0%	3 mph5 km/h from SSE, gusts 11 mph18 km/h	86%	3%	0
Sun 2a	Clear	46°8° (likely 46°8° to 48°9°)	45°7°	0%	3 mph5 km/h from SSE, gusts 12 mph19 km/h	89%	13%	0
Sun 3a	Clear	45°7° (likely 45°7° to 47°8°)	44°7°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	93%	10%	0
Sun 4a	Clear	44°7° (likely 44°7° to 47°8°)	42°6°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	96%	13%	0
Sun 5a	Partly cloudy	44°7° (likely 43°6° to 46°8°)	42°6°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	93%	30%	0
Sun 6a	Partly cloudy	44°7° (likely 44°7° to 46°8°)	42°6°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	93%	56%	0
Sun 7a	Mostly cloudy	42°6° (likely 42°6° to 46°8°)	40°4°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	100%	70%	0
Sun 8a	Partly sunny	43°6° (likely 43°6° to 46°8°)	41°5°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	96%	78%	0
Sun 9a	Cloudy	45°7° (likely 45°7° to 48°9°)	43°6°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	96%	87%	0
Sun 10a	Cloudy	52°11° (likely 52°11° to 53°12°)	52°11°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	83%	85%	1
Sun 11a	Cloudy	58°14° (likely 57°14° to 59°15°)	58°14°	0%	6 mph10 km/h from SSW, gusts 12 mph19 km/h	69%	85%	2
Sun 12p	Partly sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	7 mph11 km/h from SSW, gusts 12 mph19 km/h	60%	75%	3
Sun 1p	Cloudy	67°19° (likely 65°18° to 67°19°)	67°19°	0%	7 mph11 km/h from SSW, gusts 12 mph19 km/h	49%	79%	3
Sun 2p	Cloudy	68°20° (likely 67°19° to 68°20°)	68°20°	0%	7 mph11 km/h from SSW, gusts 11 mph17 km/h	47%	86%	3
Sun 3p	Cloudy	69°21° (likely 67°19° to 69°21°)	69°21°	0%	7 mph11 km/h from SSW, gusts 11 mph17 km/h	45%	82%	3
Sun 4p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	7 mph11 km/h from SSW, gusts 10 mph16 km/h	42%	88%	2
Sun 5p	Partly sunny	68°20° (likely 66°19° to 70°21°)	68°20°	0%	6 mph10 km/h from SSW, gusts 10 mph16 km/h	45%	57%	1
Sun 6p	Partly sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from SSW, gusts 8 mph13 km/h	49%	45%	1
Sun 7p	Mostly clear	63°17° (likely 58°14° to 63°17°)	63°17°	0%	3 mph5 km/h from SSW, gusts 7 mph11 km/h	56%	47%	0
Sun 8p	Mostly cloudy	56°13° (likely 55°13° to 57°14°)	56°13°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	72%	65%	0
Sun 9p	Mostly cloudy	54°12° (likely 53°12° to 57°14°)	54°12°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	74%	62%	0
Sun 10p	Partly cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	2 mph3 km/h from SSW, gusts 8 mph13 km/h	77%	73%	0
Sun 11p	Partly cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	0%	2 mph3 km/h from SSW, gusts 8 mph12 km/h	80%	79%	0
Mon 12a	Partly cloudy	50°10° (likely 50°10° to 54°12°)	50°10°	0%	2 mph3 km/h from SSW, gusts 7 mph10 km/h	83%	79%	0
Mon 1a	Partly cloudy	50°10° (likely 50°10° to 54°12°)	50°10°	0%	2 mph3 km/h from SSW, gusts 6 mph10 km/h	80%	73%	0
Mon 2a	Partly cloudy	49°9° (likely 49°9° to 54°12°)	49°9°	0%	2 mph3 km/h from SSW, gusts 5 mph9 km/h	83%	66%	0
Mon 3a	Partly cloudy	48°9° (likely 48°9° to 53°12°)	48°9°	0%	2 mph3 km/h from SSW, gusts 4 mph7 km/h	86%	60%	0
Mon 4a	Partly cloudy	47°8° (likely 47°8° to 52°11°)	47°8°	0%	1 mph2 km/h from SW, gusts 4 mph7 km/h	86%	64%	0
Mon 5a	Partly cloudy	46°8° (likely 46°8° to 51°11°)	46°8°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	89%	54%	0
Mon 6a	Partly cloudy	45°7° (likely 45°7° to 51°11°)	45°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	53%	0

Days ahead

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

Today, Oct 24. Fog. High 68°20°, low 42°6°. Typical 57°14° / 37°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Today: Widespread fog before 11am. Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. South southeast wind around 5 mph.
Tonight: Partly cloudy. Low around 42, with temperatures rising to around 44 overnight. South southeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–68°20°
Low, likely
42°6°–45°7°
Typical high / low
57°14° / 37°3°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 70°21°, low 44°7°. Typical 56°13° / 37°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  Dry
Official NWS forecast
Day: Partly sunny. High near 70, with temperatures falling to around 68 in the afternoon. South wind 3 to 7 mph.
Night: Partly cloudy, with a low around 44. South southwest wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–70°21°
Low, likely
43°6°–46°8°
Typical high / low
56°13° / 37°3°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 65°18°, low 40°4°. Typical 56°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  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 65. West northwest wind 0 to 7 mph.
Night: Mostly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
40°4°–49°9°
Typical high / low
56°13° / 36°2°
Wind
10 mph15 km/h, gusts 20 mph32 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 61°16°, low 42°6°. Typical 55°13° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  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 61.
Night: Mostly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
42°6°–46°8°
Typical high / low
55°13° / 36°2°
Wind
10 mph15 km/h, gusts 22 mph36 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 69°21°, low 50°10°. Typical 55°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  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 2am. Partly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
47°8°–53°12°
Typical high / low
55°13° / 36°2°
Wind
10 mph16 km/h, gusts 22 mph36 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 69°21°, low 42°6°. Typical 54°12° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Mostly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  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 69.
Night: Partly 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 69°21°).
High, likely
68°20°–73°23°
Low, likely
42°6°–56°13°
Typical high / low
54°12° / 35°2°
Wind
14 mph22 km/h, gusts 31 mph50 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 66°19°, low 43°6°. Typical 54°12° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: A slight chance of rain showers after 2am. Partly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–73°23°
Low, likely
40°4°–55°13°
Typical high / low
54°12° / 35°2°
Wind
10 mph16 km/h, gusts 26 mph41 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 67°19°, low 50°10°. Typical 53°12° / 35°2°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 56°13°
  40% 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
59°15°–72°22°
Low, likely
39°4°–55°13°
Typical high / low
53°12° / 35°2°
Wind
11 mph18 km/h, gusts 26 mph42 km/h
UV peak
2
Sunday, Nov 1. Rain. High 67°19°, low 55°13°. Typical 53°12° / 34°1°. Rain 0.45 in11 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 55°13°
  50% chance · 0.05 in1.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  50% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Rain, 62°17°
  40% chance · 0.37 in9.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.16 in4.2 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
64°18°–71°22°
Low, likely
46°8°–59°15°
Typical high / low
53°12° / 34°1°
Wind
20 mph32 km/h, gusts 35 mph56 km/h
UV peak
2
Monday, Nov 2. Rain. High 63°17°, low 55°13°. Typical 52°11° / 34°1°. Rain 0.54 in14 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  40% chance · 0.08 in1.9 mm
2. Afternoon
  noon–6 PM
  Rain, 63°17°
  30% chance · 0.3 in7.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  30% chance · 0.18 in4.5 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
49°9°–60°16°
Typical high / low
52°11° / 34°1°
Wind
18 mph29 km/h

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 42°.
Tomorrow
Dry, high 70°, low 44°.
Monday
Dry, high 65°, low 40°, cooling off.
Rest of week
Highs 61–69°; 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

Wanadoga Creek near Battle Creek

11 mi

Level: 3.7 ft
Flow: 28 cfs

Reading from Sat 6 AM · NWS gauge page

Quaker Brook at M-66 near Nashville

12 mi

Level: 2.6 ft
Flow: 6 cfs

Reading from Sat 6 AM · NWS gauge page

Kalamazoo River at Marshall

12 mi

Below flood stage

Level: 4.0 ft
Flow: 206 cfs

Reading from Sat 5:45 AM · NWS gauge page

Battle Creek at Battle Creek

14 mi

Below flood stage

Level: 0.7 ft
Flow: 94 cfs

Reading from Sat 6 AM · NWS gauge page

For your home

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

Heating this week

About 84% less heating than a typical week.

This week 22Typical 136

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 14
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 1 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 1:00 PM–7:00 PM

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

Is this typical?

Eaton Rapids · official normals 1991–2020 · records 1968–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 3°1° warmer than normal (daily mean temperature).

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

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

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 6:04–7:01 PM; Morning 7:45–8:42 AM
Blue hour: 7:01–7:12 PM; Morning 7:34–7:45 AM; first light 7:34 AM

Stars tonight? Fair

Mostly clear 9 PM–5 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:15 AM · rises 5:41 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Olivet. 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

Olivet, MI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Wanadoga Creek near Battle Creek

Quaker Brook at M-66 near Nashville

Kalamazoo River at Marshall

Battle Creek at Battle Creek

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