Dense Fog Advisory
Ends in 6 h 19 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 KLAN

East Lansing, MI weather

Foggy and 46°8°, 10°6° warmer than a typical Oct 24.

Mostly agree

Now 46°8°

Fog

Wind: 5 mph7 km/h; From the east-southeast. Up to 5 mph8 km/h through 3 PM
Visibility: 3 mi5 km; Fog · under 5 mi8 km
Dew point: 45°7°; Comfortable
Humidity: 93%; Air 46°8°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 12–5 PM · peak 4
Air quality: 65Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.41 inHg1030 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (45°7° then, 46°8° now)

Good hours for

Fog until 11 AM
Low 43°6° today at 7 AM
Above 50°10° today by 10 AM
High 67°19° today at 5 PM
Below 60°16° tonight after 8 PM

TonightNear 46°8° · Mostly cloudy
This morningUp to 55°13° 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 59°15° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 70°21° by 4 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 2 AM · Partly 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	Fog	46°8° (likely 45°7° to 47°8°)	45°7°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	100%	44%	0
Sat 4a	Fog	45°7° (likely 44°7° to 47°8°)	44°7°	0%	3 mph5 km/h from SSE, gusts 8 mph12 km/h	100%	70%	0
Sat 5a	Fog	45°7° (likely 44°7° to 48°9°)	44°7°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	100%	75%	0
Sat 6a	Fog	44°7° (likely 44°7° to 48°9°)	44°7°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	100%	75%	0
Sat 7a	Fog	43°6° (likely 43°6° to 48°9°)	43°6°	0%	2 mph3 km/h from SSE, gusts 7 mph12 km/h	100%	79%	0
Sat 8a	Fog	43°6° (likely 43°6° to 47°8°)	43°6°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	100%	80%	0
Sat 9a	Fog	45°7° (likely 44°7° to 48°9°)	45°7°	0%	2 mph3 km/h from SSE, gusts 9 mph14 km/h	100%	79%	0
Sat 10a	Fog	50°10° (likely 44°7° to 51°11°)	49°9°	0%	3 mph5 km/h from SSE, gusts 9 mph14 km/h	96%	64%	1
Sat 11a	Partly sunny	55°13° (likely 50°10° to 55°13°)	55°13°	0%	3 mph5 km/h from SSE, gusts 8 mph12 km/h	83%	41%	2
Sat 12p	Mostly sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from SSE, gusts 8 mph14 km/h	72%	25%	3
Sat 1p	Partly sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	60%	47%	4
Sat 2p	Partly sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	50%	40%	4
Sat 3p	Partly sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	3 mph5 km/h from SSE, gusts 9 mph14 km/h	48%	45%	3
Sat 4p	Cloudy	66°19° (likely 65°18° to 67°19°)	66°19°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	47%	63%	3
Sat 5p	Cloudy	67°19° (likely 64°18° to 67°19°)	67°19°	0%	3 mph5 km/h from SSE, gusts 8 mph12 km/h	43%	60%	2
Sat 6p	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	48%	66%	1
Sat 7p	Partly cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	56%	31%	0
Sat 8p	Partly cloudy	57°14° (likely 53°12° to 57°14°)	57°14°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	64%	48%	0
Sat 9p	Partly cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	0%	3 mph5 km/h from SSE, gusts 11 mph17 km/h	74%	45%	0
Sat 10p	Clear	51°11° (likely 50°10° to 52°11°)	51°11°	0%	3 mph5 km/h from SSE, gusts 11 mph18 km/h	80%	5%	0
Sat 11p	Clear	50°10° (likely 49°9° to 51°11°)	49°9°	0%	3 mph5 km/h from S, gusts 13 mph20 km/h	83%	1%	0
Sun 12a	Clear	49°9° (likely 48°9° to 50°10°)	48°9°	0%	3 mph5 km/h from S, gusts 12 mph20 km/h	83%	0%	0
Sun 1a	Clear	47°8° (likely 47°8° to 49°9°)	46°8°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	89%	2%	0
Sun 2a	Clear	47°8° (likely 46°8° to 48°9°)	46°8°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	89%	5%	0
Sun 3a	Partly cloudy	46°8° (likely 45°7° to 48°9°)	45°7°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	93%	54%	0
Sun 4a	Partly cloudy	45°7° (likely 45°7° to 47°8°)	44°7°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	93%	57%	0
Sun 5a	Cloudy	45°7° (likely 45°7° to 47°8°)	44°7°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	93%	58%	0
Sun 6a	Mostly clear	45°7° (likely 44°7° to 46°8°)	44°7°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	93%	33%	0
Sun 7a	Mostly cloudy	44°7° (likely 44°7° to 46°8°)	42°6°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	96%	58%	0
Sun 8a	Mostly cloudy	45°7° (likely 44°7° to 46°8°)	44°7°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	93%	70%	0
Sun 9a	Cloudy	47°8° (likely 46°8° to 48°9°)	45°7°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	89%	77%	0
Sun 10a	Partly sunny	53°12° (likely 52°11° to 54°12°)	53°12°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	80%	81%	1
Sun 11a	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	6 mph10 km/h from SSW, gusts 14 mph23 km/h	67%	73%	2
Sun 12p	Cloudy	63°17° (likely 62°17° to 64°18°)	63°17°	0%	7 mph11 km/h from SSW, gusts 13 mph21 km/h	58%	79%	3
Sun 1p	Cloudy	67°19° (likely 65°18° to 68°20°)	67°19°	0%	7 mph11 km/h from SSW, gusts 12 mph20 km/h	50%	86%	4
Sun 2p	Cloudy	68°20° (likely 67°19° to 69°21°)	68°20°	0%	7 mph11 km/h from SSW, gusts 12 mph20 km/h	47%	84%	3
Sun 3p	Cloudy	69°21° (likely 68°20° to 71°22°)	69°21°	0%	7 mph11 km/h from SSW, gusts 13 mph20 km/h	45%	75%	3
Sun 4p	Cloudy	70°21° (likely 68°20° to 71°22°)	70°21°	0%	7 mph11 km/h from SSW, gusts 12 mph19 km/h	42%	85%	2
Sun 5p	Mostly cloudy	68°20° (likely 67°19° to 70°21°)	68°20°	0%	6 mph10 km/h from SSW, gusts 11 mph18 km/h	45%	48%	1
Sun 6p	Partly sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	45%	47%	1
Sun 7p	Partly cloudy	64°18° (likely 60°16° to 64°18°)	64°18°	0%	5 mph8 km/h from SSW, gusts 7 mph11 km/h	52%	56%	0
Sun 8p	Mostly cloudy	58°14° (likely 56°13° to 60°16°)	58°14°	0%	3 mph5 km/h from SSW, gusts 7 mph11 km/h	64%	61%	0
Sun 9p	Mostly clear	56°13° (likely 54°12° to 59°15°)	56°13°	0%	2 mph3 km/h from SSW, gusts 5 mph8 km/h	72%	58%	0
Sun 10p	Partly cloudy	54°12° (likely 52°11° to 57°14°)	54°12°	0%	2 mph3 km/h from SSW, gusts 5 mph9 km/h	77%	67%	0
Sun 11p	Partly cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	0%	2 mph3 km/h from SSW, gusts 5 mph9 km/h	77%	74%	0
Mon 12a	Partly cloudy	52°11° (likely 49°9° to 55°13°)	52°11°	0%	2 mph3 km/h from SSW, gusts 5 mph9 km/h	80%	49%	0
Mon 1a	Partly cloudy	51°11° (likely 49°9° to 54°12°)	51°11°	0%	2 mph3 km/h from SW, gusts 5 mph9 km/h	80%	54%	0
Mon 2a	Partly cloudy	50°10° (likely 48°9° to 53°12°)	50°10°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	83%	46%	0

Days ahead

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

Today, Oct 24. Fog. High 67°19°, low 43°6°. Typical 57°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Official NWS forecast
Today: Widespread fog before 11am. Mostly sunny, with a high near 67. South southeast wind around 5 mph.
Tonight: Areas of fog. Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–67°19°
Low, likely
43°6°–45°7°
Typical high / low
57°14° / 39°4°
Wind
7 mph12 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 70°21°, low 47°8°. Typical 56°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 70. South southwest wind 3 to 7 mph.
Night: Partly cloudy, with a low around 47. Southwest wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
44°7°–47°8°
Typical high / low
56°13° / 38°3°
Wind
8 mph13 km/h, gusts 18 mph28 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 63°17°, low 41°5°. Typical 56°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–65°18°
Low, likely
41°5°–48°9°
Typical high / low
56°13° / 38°3°
Wind
12 mph19 km/h, gusts 19 mph31 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 59°15°, low 43°6°. Typical 56°13° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  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 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–66°19°
Low, likely
41°5°–45°7°
Typical high / low
56°13° / 38°3°
Wind
11 mph17 km/h, gusts 22 mph36 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 68°20°, low 51°11°. Typical 55°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 68.
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
45°7°–52°11°
Typical high / low
55°13° / 38°3°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 68°20°, low 44°7°. Typical 55°13° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  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 before 8am. Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
44°7°–57°14°
Typical high / low
55°13° / 37°3°
Wind
15 mph24 km/h, gusts 31 mph49 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 65°18°, low 47°8°. Typical 54°12° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°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 sunny, with a high near 65.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–74°23°
Low, likely
37°3°–56°13°
Typical high / low
54°12° / 37°3°
Wind
10 mph17 km/h, gusts 27 mph44 km/h
UV peak
1
Saturday, Oct 31. Cloudy. High 69°21°, low 54°12°. Typical 54°12° / 37°3°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  30% chance
4. Overnight
  midnight–6 AM
  Showers, 57°14°
  30% 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
64°18°–74°23°
Low, likely
51°11°–58°14°
Typical high / low
54°12° / 37°3°
Wind
12 mph19 km/h, gusts 26 mph42 km/h
UV peak
2
Sunday, Nov 1. Rain. High 65°18°, low 56°13°. Typical 53°12° / 36°2°. Rain 0.37 in9.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 58°14°
  40% chance · 0.08 in2.1 mm
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  40% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  40% chance · 0.26 in6.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.16 in4 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
59°15°–73°23°
Low, likely
53°12°–60°16°
Typical high / low
53°12° / 36°2°
Wind
21 mph33 km/h, gusts 39 mph63 km/h
Monday, Nov 2. Cloudy. High 61°16°, low 45°7°. Typical 53°12° / 36°2°. Rain 0.4 in10 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 56°13°
  30% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 58°14°
  30% chance · 0.23 in5.8 mm
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  20% 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
39°4°–50°10°
Typical high / low
53°12° / 36°2°
Wind
22 mph35 km/h, gusts 44 mph70 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 67°, low 43°.
Tomorrow
Dry, high 70°, low 47°, warming up.
Monday
Dry, high 63°, low 41°, cooling off.
Rest of week
Highs 59–69°; 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

Red Cedar River at East Lansing

1.5 mi

Below flood stage

Level: 3.4 ft
Flow: 82 cfs

Reading from Sat 1:30 AM · NWS gauge page

Grand River at Lansing

3.7 mi

Below flood stage

Level: 2.4 ft
Flow: 220 cfs

Reading from Sat 1 AM · NWS gauge page

Sycamore Creek near Holt

7.5 mi

Below flood stage

Level: 2.4 ft
Flow: 21 cfs

Reading from Sat 1 AM · NWS gauge page

Sloan Creek near Williamston

7.9 mi

Level: 1.5 ft
Flow: under 1 cfs

Reading from Sat 12:45 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 21Typical 128

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.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 1:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Lansing Capital City Airport · official normals 1991–2020 · records 1863–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 3°2° warmer than normal (daily mean temperature).

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

East Lansing weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 39 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 37 min less
Golden hour: 6:02–6:59 PM; Morning 7:44–8:41 AM
Blue hour: 6:59–7:10 PM; Morning 7:33–7:44 AM; first light 7:33 AM

Stars tonight? Poor

Clouds most of the night (about 69% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:13 AM · rises 5:39 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from East Lansing. 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

East Lansing, MI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Red Cedar River at East Lansing

Grand River at Lansing

Sycamore Creek near Holt

Sloan Creek near Williamston

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? Poor

Moon