Dense Fog Advisory
Ends in 2 h 10 min
When
Until 10 AM EDT this morning.
Where
Bay, Midland, and Saginaw Counties.
Issued for this forecast zone · National Weather Service Detroit/Pontiac 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: Midland; Bay; Saginaw
See it on weather.gov (opens in a new tab)

Observed 6:35 AM EDT at KRNP

Chesaning, MI weather

Foggy and 39°4°, 11°6° warmer than a typical Oct 24.

Forecasts agree

Now 39°4°

Fog

Wind: Calm; Up to 5 mph8 km/h through 7 PM
Visibility (notable): 0.2 mi0.3 km; Dense fog
Dew point: 37°3°; Comfortable · up to 47°8° by 10 AM
Humidity: 93%; Air 39°4°, dew point 37°3° · fog or dew likely
UV index: 0Low; Moderate 1–4 PM · peak 3
Pressure: 30.44 inHg1031 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

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

Good hours for

Fog until 10 AM
Above 50°10° today by 11 AM
High 67°19° today at 3 PM
Below 60°16° tonight after 8 PM
Fog tomorrow night 4–5 AM

This morningUp to 54°12° by 11 AM · Partly cloudy
This afternoonUp to 67°19° by 3 PM · Clear
TonightDown to 44°7° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 71°22° by 4 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 4 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	41°5° (likely 38°3° to 42°6°)	41°5°	0%	2 mph3 km/h from SSE, gusts 3 mph5 km/h	100%	50%	0
Sat 8a	Fog	41°5° (likely 37°3° to 41°5°)	41°5°	0%	2 mph3 km/h from SSE, gusts 3 mph5 km/h	97%	50%	0
Sat 9a	Fog	42°6° (likely 39°4° to 44°7°)	40°4°	0%	3 mph5 km/h from SSE, gusts 3 mph5 km/h	100%	52%	0
Sat 10a	Partly sunny	48°9° (likely 41°5° to 49°9°)	47°8°	0%	3 mph5 km/h from SSE, gusts 3 mph6 km/h	97%	44%	1
Sat 11a	Mostly sunny	54°12° (likely 45°7° to 54°12°)	54°12°	0%	3 mph5 km/h from S, gusts 6 mph9 km/h	83%	43%	1
Sat 12p	Mostly sunny	59°15° (likely 51°11° to 59°15°)	59°15°	0%	5 mph8 km/h from SSE, gusts 7 mph11 km/h	70%	27%	2
Sat 1p	Sunny	64°18° (likely 57°14° to 64°18°)	64°18°	0%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	57%	8%	3
Sat 2p	Mostly sunny	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SSE, gusts 7 mph11 km/h	51%	10%	3
Sat 3p	Mostly sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from SSE, gusts 7 mph11 km/h	48%	21%	3
Sat 4p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	45%	13%	2
Sat 5p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	5 mph8 km/h from SSE, gusts 7 mph11 km/h	44%	11%	1
Sat 6p	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	3 mph5 km/h from SSE, gusts 7 mph12 km/h	47%	10%	0
Sat 7p	Clear	61°16° (likely 55°13° to 61°16°)	61°16°	0%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	54%	5%	0
Sat 8p	Mostly clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	68%	8%	0
Sat 9p	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	5 mph8 km/h from SSE, gusts 8 mph14 km/h	75%	2%	0
Sat 10p	Clear	51°11° (likely 47°8° to 51°11°)	51°11°	0%	6 mph10 km/h from S, gusts 10 mph16 km/h	80%	2%	0
Sat 11p	Clear	50°10° (likely 47°8° to 50°10°)	47°8°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	83%	4%	0
Sun 12a	Clear	48°9° (likely 45°7° to 49°9°)	46°8°	0%	6 mph10 km/h from S, gusts 11 mph18 km/h	85%	2%	0
Sun 1a	Clear	48°9° (likely 47°8° to 48°9°)	45°7°	0%	6 mph10 km/h from S, gusts 12 mph20 km/h	88%	0%	0
Sun 2a	Clear	46°8° (likely 46°8° to 48°9°)	43°6°	0%	6 mph10 km/h from S, gusts 13 mph20 km/h	94%	8%	0
Sun 3a	Partly cloudy	45°7° (likely 45°7° to 47°8°)	42°6°	0%	6 mph10 km/h from S, gusts 13 mph20 km/h	95%	27%	0
Sun 4a	Clear	45°7° (likely 44°7° to 46°8°)	42°6°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	94%	7%	0
Sun 5a	Mostly clear	44°7° (likely 44°7° to 46°8°)	40°4°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	98%	40%	0
Sun 6a	Cloudy	44°7° (likely 43°6° to 46°8°)	41°5°	0%	6 mph10 km/h from S, gusts 11 mph18 km/h	95%	69%	0
Sun 7a	Mostly clear	44°7° (likely 43°6° to 45°7°)	41°5°	0%	6 mph10 km/h from S, gusts 11 mph18 km/h	94%	65%	0
Sun 8a	Mostly cloudy	44°7° (likely 43°6° to 45°7°)	40°4°	0%	6 mph10 km/h from SSW, gusts 11 mph18 km/h	94%	73%	0
Sun 9a	Cloudy	47°8° (likely 45°7° to 48°9°)	43°6°	0%	7 mph11 km/h from SSW, gusts 12 mph19 km/h	91%	80%	0
Sun 10a	Partly sunny	53°12° (likely 51°11° to 54°12°)	53°12°	0%	7 mph11 km/h from SSW, gusts 12 mph20 km/h	82%	65%	1
Sun 11a	Cloudy	58°14° (likely 56°13° to 59°15°)	59°15°	0%	7 mph11 km/h from SSW, gusts 15 mph23 km/h	69%	76%	2
Sun 12p	Mostly cloudy	63°17° (likely 60°16° to 64°18°)	63°17°	0%	8 mph13 km/h from SSW, gusts 13 mph22 km/h	60%	68%	3
Sun 1p	Cloudy	67°19° (likely 65°18° to 67°19°)	67°19°	0%	9 mph14 km/h from SSW, gusts 14 mph22 km/h	51%	83%	3
Sun 2p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	9 mph14 km/h from SSW, gusts 13 mph21 km/h	47%	81%	3
Sun 3p	Cloudy	70°21° (likely 68°20° to 70°21°)	70°21°	0%	9 mph14 km/h from SW, gusts 13 mph21 km/h	46%	84%	3
Sun 4p	Mostly cloudy	71°22° (likely 67°19° to 71°22°)	71°22°	0%	9 mph14 km/h from SW, gusts 13 mph21 km/h	44%	73%	2
Sun 5p	Mostly sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	8 mph13 km/h from SW, gusts 12 mph20 km/h	44%	43%	1
Sun 6p	Partly sunny	69°21° (likely 63°17° to 69°21°)	69°21°	0%	7 mph11 km/h from SSW, gusts 10 mph17 km/h	46%	48%	1
Sun 7p	Mostly cloudy	65°18° (likely 59°15° to 65°18°)	65°18°	0%	7 mph11 km/h from SSW, gusts 9 mph14 km/h	52%	31%	0
Sun 8p	Partly cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	6 mph10 km/h from SSW, gusts 9 mph15 km/h	64%	47%	0
Sun 9p	Partly cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	5 mph8 km/h from SSW, gusts 10 mph15 km/h	70%	54%	0
Sun 10p	Partly cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	3 mph5 km/h from SW, gusts 11 mph17 km/h	75%	67%	0
Sun 11p	Partly cloudy	53°12° (likely 53°12° to 58°14°)	53°12°	0%	3 mph5 km/h from SW, gusts 11 mph17 km/h	78%	72%	0
Mon 12a	Cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	81%	80%	0
Mon 1a	Partly cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	0%	3 mph5 km/h from WSW, gusts 7 mph11 km/h	84%	74%	0
Mon 2a	Cloudy	50°10° (likely 50°10° to 55°13°)	50°10°	0%	3 mph5 km/h from WSW, gusts 8 mph12 km/h	86%	84%	0
Mon 3a	Partly cloudy	49°9° (likely 49°9° to 52°11°)	49°9°	0%	3 mph5 km/h from WSW, gusts 5 mph8 km/h	88%	54%	0
Mon 4a	Fog	48°9° (likely 48°9° to 51°11°)	49°9°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	91%	49%	0
Mon 5a	Clear	48°9° (likely 47°8° to 52°11°)	48°9°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	92%	30%	0
Mon 6a	Mostly clear	47°8° (likely 46°8° to 52°11°)	47°8°	0%	2 mph3 km/h from WNW, gusts 4 mph7 km/h	93%	44%	0

Days ahead

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

Today, Oct 24. Fog. High 68°20°, low 43°6°. Typical 57°14° / 37°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 44°7°
  Dry
Official NWS forecast
Today: Patchy fog before 10am. Mostly sunny, with a high near 68. South southeast wind around 5 mph.
Tonight: Partly cloudy, with a low around 43. South wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–68°20°
Low, likely
37°3°–43°6°
Typical high / low
57°14° / 37°3°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 71°22°, low 46°8°. Typical 57°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 71. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Night: Patchy fog after 2am. Partly cloudy, with a low around 46. West southwest wind 2 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
43°6°–46°8°
Typical high / low
57°14° / 37°3°
Wind
10 mph16 km/h, gusts 19 mph30 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 62°17°, low 39°4°. Typical 56°13° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 9am. Partly sunny, with a high near 62. North wind 2 to 8 mph.
Night: Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
39°4°–47°8°
Typical high / low
56°13° / 37°3°
Wind
12 mph19 km/h, gusts 17 mph28 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 58°14°, low 42°6°. Typical 56°13° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°11°
  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 58.
Night: Mostly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–65°18°
Low, likely
39°4°–47°8°
Typical high / low
56°13° / 36°2°
Wind
11 mph18 km/h, gusts 20 mph32 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 69°21°, low 50°10°. Typical 55°13° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  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 69.
Night: A slight chance of rain after 8pm. Partly cloudy, with a low around 50.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–72°22°
Low, likely
43°6°–52°11°
Typical high / low
55°13° / 36°2°
Wind
11 mph18 km/h, gusts 24 mph38 km/h
UV peak
3
Thursday, Oct 29. Rain. High 69°21°, low 43°6°. Typical 55°13° / 36°2°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 8am. Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–74°23°
Low, likely
43°6°–56°13°
Typical high / low
55°13° / 36°2°
Wind
18 mph29 km/h, gusts 30 mph48 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 66°19°, low 44°7°. Typical 54°12° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 50°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 after 2am. Mostly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–72°22°
Low, likely
38°3°–54°12°
Typical high / low
54°12° / 36°2°
Wind
13 mph21 km/h, gusts 21 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 68°20°, low 50°10°. Typical 54°12° / 35°2°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  30% 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° / 35°2°
Wind
11 mph17 km/h, gusts 29 mph47 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 67°19°, low 55°13°. Typical 54°12° / 35°2°. Rain 0.21 in5.3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  40% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  50% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  40% chance · 0.38 in9.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  40% chance · 0.2 in5.2 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–74°23°
Low, likely
45°7°–61°16°
Typical high / low
54°12° / 35°2°
Wind
25 mph41 km/h, gusts 41 mph66 km/h
UV peak
1
Monday, Nov 2. Drizzle. High 62°17°, low 54°12°. Typical 53°12° / 35°2°. Rain 0.64 in16 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  40% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 62°17°
  30% chance · 0.2 in5.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  30% chance · 0.17 in4.3 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°–65°18°
Low, likely
50°10°–57°14°
Typical high / low
53°12° / 35°2°
Wind
20 mph32 km/h

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 43°.
Tomorrow
Dry, high 71°, low 46°, warming up.
Monday
Dry, high 62°, low 39°, cooling off.
Rest of week
Highs 58–69°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DTX) (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

Shiawassee River near Fergus

4.9 mi

Level: 1.6 ft
Flow: 116 cfs

Reading from Sat 6:30 AM · NWS gauge page

Flint River at Fosters

12 mi

Level: 4.5 ft
Flow: 122 cfs

Reading from Sat 6:30 AM · NWS gauge page

Shiawassee River at Owosso

12 mi

Below flood stage

Level: 2.0 ft
Flow: 101 cfs

Reading from Sat 6:15 AM · NWS gauge page

Saginaw River at Saginaw

18 mi

Below flood stage

Level: 12.9 ft
Flow: 1,060 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 84% less heating than a typical week.

This week 21Typical 133

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 11
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 37°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?

OWOSSO WWTP · official normals 1991–2020 · records 1896–2026

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°2° warmer than normal (daily mean temperature).

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

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

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:59–6:57 PM; Morning 7:43–8:41 AM
Blue hour: 6:57–7:08 PM; Morning 7:32–7:43 AM; first light 7:32 AM

Stars tonight? Fair

Mostly clear 7:08 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:12 AM · rises 5:37 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Chesaning. 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