Dense Fog Advisory
Ends in 2 h 8 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 7:20 AM EDT at KLAN

Haslett, MI weather

Foggy and 45°7°, 9°5° warmer than a typical Oct 24.

Forecasts agree

Now 45°7°

Fog

Wind: Calm; Up to 5 mph8 km/h through 7 PM
Visibility (notable): 0.2 mi0.3 km; Dense fog
Dew point: 45°7°; Comfortable
Humidity: 100%; Air 45°7°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 1–4 PM · peak 3
Air quality: 60Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.45 inHg1031 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

Good hours for

Fog until 11 AM
Above 50°10° today by 10 AM
High 66°19° today at 3 PM

This morningUp to 55°13° by 11 AM · Partly cloudy
This afternoonUp to 66°19° by 3 PM · Clear
TonightDown to 44°7° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 69°21° by 3 PM · Mostly cloudy
Tomorrow nightDown to 47°8° by 5 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 7a	Fog	42°6° (likely 41°5° to 44°7°)	42°6°	0%	2 mph3 km/h from SSE, gusts 5 mph8 km/h	100%	56%	0
Sat 8a	Fog	42°6° (likely 42°6° to 44°7°)	42°6°	0%	2 mph3 km/h from SSE, gusts 5 mph9 km/h	100%	55%	0
Sat 9a	Fog	44°7° (likely 42°6° to 46°8°)	44°7°	0%	2 mph3 km/h from SSE, gusts 7 mph12 km/h	100%	54%	0
Sat 10a	Fog	50°10° (likely 45°7° to 50°10°)	49°9°	0%	3 mph5 km/h from SSE, gusts 7 mph11 km/h	93%	53%	1
Sat 11a	Partly sunny	55°13° (likely 52°11° to 55°13°)	55°13°	0%	3 mph5 km/h from SSE, gusts 9 mph14 km/h	83%	35%	1
Sat 12p	Sunny	59°15° (likely 57°14° to 59°15°)	59°15°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	72%	15%	2
Sat 1p	Partly sunny	62°17° (likely 61°16° to 62°17°)	62°17°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	60%	21%	3
Sat 2p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	3 mph5 km/h from SSE, gusts 7 mph12 km/h	54%	20%	3
Sat 3p	Partly sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	3 mph5 km/h from SSE, gusts 7 mph12 km/h	48%	19%	3
Sat 4p	Mostly sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	3 mph5 km/h from SSE, gusts 7 mph11 km/h	47%	20%	2
Sat 5p	Partly sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	3 mph5 km/h from SSE, gusts 8 mph12 km/h	47%	28%	1
Sat 6p	Partly sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from SSE, gusts 9 mph14 km/h	52%	43%	0
Sat 7p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	3 mph5 km/h from SE, gusts 8 mph14 km/h	58%	18%	0
Sat 8p	Partly cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	66%	42%	0
Sat 9p	Clear	52°11° (likely 49°9° to 53°12°)	52°11°	0%	3 mph5 km/h from SSE, gusts 11 mph17 km/h	77%	12%	0
Sat 10p	Clear	50°10° (likely 48°9° to 52°11°)	49°9°	0%	3 mph5 km/h from SSE, gusts 11 mph17 km/h	83%	8%	0
Sat 11p	Clear	49°9° (likely 47°8° to 51°11°)	48°9°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	86%	14%	0
Sun 12a	Clear	48°9° (likely 46°8° to 50°10°)	47°8°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	86%	4%	0
Sun 1a	Clear	46°8° (likely 45°7° to 49°9°)	45°7°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	93%	9%	0
Sun 2a	Clear	46°8° (likely 44°7° to 48°9°)	45°7°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	89%	13%	0
Sun 3a	Clear	45°7° (likely 43°6° to 47°8°)	44°7°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	93%	4%	0
Sun 4a	Clear	44°7° (likely 43°6° to 47°8°)	42°6°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	96%	9%	0
Sun 5a	Clear	44°7° (likely 43°6° to 46°8°)	42°6°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	96%	22%	0
Sun 6a	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%	47%	0
Sun 7a	Mostly cloudy	42°6° (likely 42°6° to 46°8°)	40°4°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	100%	64%	0
Sun 8a	Mostly cloudy	44°7° (likely 42°6° to 46°8°)	42°6°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	93%	66%	0
Sun 9a	Cloudy	46°8° (likely 44°7° to 48°9°)	44°7°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	93%	78%	0
Sun 10a	Partly sunny	53°12° (likely 52°11° to 53°12°)	53°12°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	80%	80%	1
Sun 11a	Cloudy	59°15° (likely 57°14° to 59°15°)	59°15°	0%	6 mph10 km/h from SSW, gusts 13 mph21 km/h	67%	76%	2
Sun 12p	Cloudy	63°17° (likely 61°16° to 64°18°)	63°17°	0%	6 mph10 km/h from SSW, gusts 13 mph20 km/h	58%	82%	3
Sun 1p	Cloudy	66°19° (likely 64°18° to 67°19°)	66°19°	0%	7 mph11 km/h from SSW, gusts 12 mph19 km/h	52%	80%	3
Sun 2p	Cloudy	68°20° (likely 67°19° to 68°20°)	68°20°	0%	7 mph11 km/h from SSW, gusts 11 mph18 km/h	47%	79%	3
Sun 3p	Cloudy	69°21° (likely 67°19° to 69°21°)	69°21°	0%	7 mph11 km/h from SSW, gusts 11 mph18 km/h	45%	89%	3
Sun 4p	Cloudy	69°21° (likely 66°19° to 69°21°)	69°21°	0%	7 mph11 km/h from SSW, gusts 9 mph14 km/h	44%	88%	2
Sun 5p	Partly sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	6 mph10 km/h from SSW, gusts 9 mph14 km/h	45%	59%	1
Sun 6p	Partly sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	49%	35%	1
Sun 7p	Clear	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from SSW, gusts 8 mph12 km/h	56%	27%	0
Sun 8p	Mostly clear	57°14° (likely 55°13° to 58°14°)	57°14°	0%	3 mph5 km/h from SSW, gusts 8 mph13 km/h	69%	44%	0
Sun 9p	Partly cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	3 mph5 km/h from SSW, gusts 9 mph15 km/h	72%	62%	0
Sun 10p	Partly cloudy	53°12° (likely 52°11° to 55°13°)	53°12°	0%	3 mph5 km/h from SSW, gusts 9 mph15 km/h	77%	68%	0
Sun 11p	Partly cloudy	52°11° (likely 51°11° to 55°13°)	52°11°	0%	2 mph3 km/h from SSW, gusts 9 mph15 km/h	80%	84%	0
Mon 12a	Partly cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	0%	2 mph3 km/h from SSW, gusts 8 mph12 km/h	83%	82%	0
Mon 1a	Partly cloudy	51°11° (likely 49°9° to 55°13°)	51°11°	0%	2 mph3 km/h from SW, gusts 7 mph11 km/h	80%	75%	0
Mon 2a	Partly cloudy	50°10° (likely 49°9° to 54°12°)	50°10°	0%	2 mph3 km/h from SW, gusts 6 mph9 km/h	83%	64%	0
Mon 3a	Partly cloudy	49°9° (likely 47°8° to 52°11°)	49°9°	0%	2 mph3 km/h from SW, gusts 5 mph7 km/h	86%	67%	0
Mon 4a	Partly cloudy	48°9° (likely 47°8° to 52°11°)	48°9°	0%	1 mph2 km/h from WSW, gusts 4 mph7 km/h	86%	46%	0
Mon 5a	Partly cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from WSW, gusts 4 mph6 km/h	89%	32%	0
Mon 6a	Mostly cloudy	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	93%	51%	0

Days ahead

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

Today, Oct 24. Fog. High 66°19°, low 42°6°. Typical 57°14° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Today: Widespread fog before 11am. Mostly sunny, with a high near 66. 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°–66°19°
Low, likely
41°5°–44°7°
Typical high / low
57°14° / 39°4°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 69°21°, low 45°7°. Typical 56°13° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 47°8°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 69. South southwest wind 3 to 7 mph.
Night: Partly cloudy, with a low around 45. Southwest wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
42°6°–46°8°
Typical high / low
56°13° / 38°3°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 63°17°, low 40°4°. 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
  Cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63. Northwest wind 1 to 7 mph.
Night: Mostly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–65°18°
Low, likely
40°4°–47°8°
Typical high / low
56°13° / 38°3°
Wind
11 mph18 km/h, gusts 19 mph31 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 59°15°, low 42°6°. Typical 56°13° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°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 59.
Night: Mostly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–66°19°
Low, likely
42°6°–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 50°10°. Typical 55°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°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 68.
Night: A slight chance of rain showers after 8pm. Partly cloudy, with a low around 50.
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
4
Thursday, Oct 29. Partly sunny. High 68°20°, low 43°6°. Typical 55°13° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Showers, 60°16°
  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 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
43°6°–56°13°
Typical high / low
55°13° / 37°3°
Wind
17 mph27 km/h, gusts 31 mph49 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 65°18°, low 44°7°. Typical 54°12° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: Partly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–73°23°
Low, likely
38°3°–55°13°
Typical high / low
54°12° / 37°3°
Wind
11 mph18 km/h, gusts 27 mph44 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 67°19°, low 51°11°. Typical 54°12° / 37°3°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 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
58°14°–74°23°
Low, likely
38°3°–55°13°
Typical high / low
54°12° / 37°3°
Wind
12 mph19 km/h, gusts 26 mph42 km/h
UV peak
3
Sunday, Nov 1. Rain. High 68°20°, low 55°13°. Typical 53°12° / 36°2°. Rain 0.28 in7.1 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  50% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  50% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Rain, 61°16°
  40% chance · 0.28 in7 mm
4. Overnight
  midnight–6 AM
  Rain, 59°15°
  40% chance · 0.15 in3.8 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°–73°23°
Low, likely
46°8°–60°16°
Typical high / low
53°12° / 36°2°
Wind
21 mph33 km/h, gusts 39 mph63 km/h
UV peak
1
Monday, Nov 2. Rain. High 62°17°, low 55°13°. Typical 53°12° / 36°2°. Rain 0.47 in12 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  40% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 63°17°
  30% chance · 0.26 in6.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  30% chance · 0.22 in5.7 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
57°14°–67°19°
Low, likely
50°10°–60°16°
Typical high / low
53°12° / 36°2°
Wind
18 mph30 km/h

10 days15 days30 days

The outlook

Today
Dry, high 66°, low 42°.
Tomorrow
Dry, high 69°, low 45°, warming up.
Monday
Dry, high 63°, low 40°, cooling off.
Rest of week
Highs 59–68°; 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

Red Cedar River at East Lansing

4.4 mi

Below flood stage

Level: 3.4 ft
Flow: 80 cfs

Reading from Sat 6:30 AM · NWS gauge page

Sloan Creek near Williamston

5.5 mi

Level: 1.5 ft
Flow: under 1 cfs

Reading from Sat 5:45 AM · NWS gauge page

Grand River at Lansing

8.0 mi

Below flood stage

Level: 2.4 ft
Flow: 223 cfs

Reading from Sat 6 AM · NWS gauge page

Sycamore Creek near Holt

8.9 mi

Below flood stage

Level: 2.4 ft
Flow: 21 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 83% less heating than a typical week.

This week 22Typical 128

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 13
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 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 9°5° warmer than typical.

Last 7 days vs normal

On average 4°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
+6°+3°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 39 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 37 min less
Golden hour: 6:01–6:58 PM; Morning 7:44–8:41 AM
Blue hour: 6:58–7:09 PM; Morning 7:32–7:44 AM; first light 7:32 AM

Stars tonight? Fair

Mostly clear 9 PM–6 AM, but the moon is 99% lit and up.

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 Haslett. 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

Haslett, 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

Sloan Creek near Williamston

Grand River at Lansing

Sycamore Creek near Holt

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