Dense Fog Advisory
Ends in 32 min
When
Until 10 AM EDT this morning.
Where
Crawford, Gladwin, and Roscommon Counties.
Issued for this forecast zone · National Weather Service Gaylord MI
What, impacts and precautionsHide details
What
Visibility as low as one quarter mile 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: Crawford; Roscommon; Gladwin
See it on weather.gov (opens in a new tab)

Observed 8:53 AM EDT at KHTL

St. Helen, MI weather

Foggy and 40°4°, 11°6° warmer than a typical Oct 24.

Forecasts differ

Now 40°4°

Fog · Feels like 37°3°

Wind: 5 mph8 km/h; From the east. About 5 mph8 km/h through 9 PM
Visibility (notable): 0.2 mi0.3 km; Dense fog
Dew point: 40°4°; Comfortable · up to 49°9° by 12 PM
Humidity: 100%; Air 40°4°, dew point 40°4° · fog or dew likely
UV index: 0Low; Moderate 1–3 PM · peak 3
Pressure: 30.46 inHg1031 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

8°5° cooler than this time yesterday (48°9° then, 40°4° now)

Good hours for

Fog until noon
Above 50°10° today by 11 AM
High 64°18° today at 4 PM

This morningUp to 51°11° by 11 AM · Mostly cloudy
This afternoonUp to 64°18° by 4 PM · Partly cloudy
TonightDown to 43°6° by 3 AM · Partly cloudy
Tomorrow morningUp to 57°14° by 11 AM · Cloudy
Tomorrow afternoonUp to 68°20° by 3 PM · Mostly cloudy
Tomorrow nightDown to 45°7° by 5 AM · Mostly cloudy
Monday morningNear 44°7° · 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 9a	Fog	42°6° (likely 40°4° to 44°7°)	39°4°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	93%	94%	0
Sat 10a	Fog	47°8° (likely 46°8° to 47°8°)	45°7°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	89%	89%	1
Sat 11a	Fog	51°11° (likely 49°9° to 52°11°)	51°11°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	86%	58%	1
Sat 12p	Partly sunny	55°13° (likely 52°11° to 57°14°)	55°13°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	80%	41%	2
Sat 1p	Partly sunny	59°15° (likely 53°12° to 61°16°)	59°15°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	69%	33%	3
Sat 2p	Partly sunny	62°17° (likely 55°13° to 63°17°)	62°17°	0%	5 mph8 km/h from S, gusts 13 mph22 km/h	62%	54%	3
Sat 3p	Partly sunny	62°17° (likely 56°13° to 64°18°)	62°17°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	60%	34%	2
Sat 4p	Partly sunny	64°18° (likely 57°14° to 64°18°)	64°18°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	56%	38%	2
Sat 5p	Mostly sunny	62°17° (likely 56°13° to 64°18°)	62°17°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	58%	57%	1
Sat 6p	Mostly sunny	61°16° (likely 54°12° to 61°16°)	61°16°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	62%	32%	0
Sat 7p	Clear	57°14° (likely 49°9° to 57°14°)	57°14°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	72%	18%	0
Sat 8p	Partly cloudy	51°11° (likely 48°9° to 53°12°)	51°11°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	86%	27%	0
Sat 9p	Clear	50°10° (likely 47°8° to 52°11°)	49°9°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	86%	9%	0
Sat 10p	Clear	49°9° (likely 47°8° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	86%	7%	0
Sat 11p	Clear	47°8° (likely 47°8° to 50°10°)	46°8°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	89%	9%	0
Sun 12a	Clear	46°8° (likely 46°8° to 49°9°)	45°7°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	89%	14%	0
Sun 1a	Mostly clear	45°7° (likely 45°7° to 48°9°)	44°7°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	93%	30%	0
Sun 2a	Clear	44°7° (likely 44°7° to 48°9°)	42°6°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	93%	18%	0
Sun 3a	Cloudy	43°6° (likely 43°6° to 48°9°)	41°5°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	96%	68%	0
Sun 4a	Cloudy	43°6° (likely 43°6° to 49°9°)	41°5°	0%	5 mph8 km/h from S, gusts 13 mph20 km/h	93%	75%	0
Sun 5a	Cloudy	43°6° (likely 43°6° to 49°9°)	41°5°	5%	5 mph8 km/h from S, gusts 12 mph20 km/h	93%	78%	0
Sun 6a	Cloudy	42°6° (likely 42°6° to 49°9°)	40°4°	5%	5 mph8 km/h from SW, gusts 12 mph19 km/h	96%	79%	0
Sun 7a	Cloudy	43°6° (likely 43°6° to 50°10°)	41°5°	5%	5 mph8 km/h from S, gusts 12 mph19 km/h	93%	80%	0
Sun 8a	Cloudy	43°6° (likely 43°6° to 50°10°)	40°4°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	93%	89%	0
Sun 9a	Cloudy	46°8° (likely 46°8° to 51°11°)	44°7°	0%	5 mph8 km/h from SW, gusts 10 mph17 km/h	89%	100%	0
Sun 10a	Cloudy	52°11° (likely 52°11° to 53°12°)	52°11°	0%	5 mph8 km/h from SW, gusts 13 mph21 km/h	83%	91%	1
Sun 11a	Cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	0%	5 mph8 km/h from SW, gusts 16 mph26 km/h	72%	91%	2
Sun 12p	Cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	0%	5 mph8 km/h from SW, gusts 18 mph29 km/h	65%	94%	2
Sun 1p	Cloudy	64°18° (likely 61°16° to 64°18°)	64°18°	0%	10 mph16 km/h from SW, gusts 18 mph28 km/h	58%	88%	3
Sun 2p	Drizzle	66°19° (likely 59°15° to 66°19°)	66°19°	0%	10 mph16 km/h from SW, gusts 16 mph25 km/h	52%	82%	3
Sun 3p	Partly sunny	68°20° (likely 57°14° to 68°20°)	68°20°	0%	5 mph8 km/h from SW, gusts 15 mph23 km/h	49%	67%	2
Sun 4p	Mostly sunny	68°20° (likely 59°15° to 68°20°)	68°20°	0%	5 mph8 km/h from SW, gusts 14 mph23 km/h	51%	61%	2
Sun 5p	Partly sunny	67°19° (likely 59°15° to 68°20°)	67°19°	0%	5 mph8 km/h from SW, gusts 14 mph23 km/h	52%	61%	1
Sun 6p	Partly sunny	65°18° (likely 57°14° to 66°19°)	65°18°	0%	5 mph8 km/h from SW, gusts 13 mph20 km/h	58%	66%	1
Sun 7p	Cloudy	60°16° (likely 55°13° to 62°17°)	60°16°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	69%	68%	0
Sun 8p	Partly cloudy	56°13° (likely 54°12° to 59°15°)	56°13°	0%	5 mph8 km/h from SW, gusts 7 mph11 km/h	80%	83%	0
Sun 9p	Partly cloudy	55°13° (likely 54°12° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 11 mph18 km/h	80%	85%	0
Sun 10p	Cloudy	54°12° (likely 54°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 10 mph17 km/h	83%	78%	0
Sun 11p	Cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	0 mph0 km/h, gusts 10 mph16 km/h	89%	90%	0
Mon 12a	Cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 13 mph21 km/h	89%	91%	0
Mon 1a	Cloudy	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 13 mph21 km/h	96%	92%	0
Mon 2a	Cloudy	48°9° (likely 48°9° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 13 mph21 km/h	93%	87%	0
Mon 3a	Mostly cloudy	47°8° (likely 47°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 10 mph16 km/h	89%	79%	0
Mon 4a	Cloudy	46°8° (likely 46°8° to 52°11°)	46°8°	0%	0 mph0 km/h, gusts 9 mph15 km/h	83%	91%	0
Mon 5a	Cloudy	45°7° (likely 45°7° to 52°11°)	45°7°	0%	0 mph0 km/h, gusts 10 mph16 km/h	79%	98%	0
Mon 6a	Cloudy	44°7° (likely 44°7° to 52°11°)	44°7°	0%	0 mph0 km/h, gusts 11 mph18 km/h	76%	95%	0
Mon 7a	Mostly cloudy	43°6° (likely 43°6° to 51°11°)	43°6°	0%	0 mph0 km/h, gusts 10 mph17 km/h	73%	86%	0
Mon 8a	Mostly cloudy	43°6° (likely 43°6° to 51°11°)	43°6°	0%	0 mph0 km/h, gusts 11 mph17 km/h	70%	90%	0

Days ahead

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

Today, Oct 24. Fog. High 64°18°, low 41°5°. Typical 53°12° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Official NWS forecast
Today: Areas of fog before noon. Partly sunny. High near 64, with temperatures falling to around 62 in the afternoon. South wind around 5 mph.
Tonight: Partly cloudy. Low around 41, with temperatures rising to around 43 overnight. South wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–64°18°
Low, likely
37°3°–43°6°
Typical high / low
53°12° / 34°1°
Wind
8 mph12 km/h, gusts 17 mph27 km/h
UV peak
3
Tomorrow, Oct 25. Drizzle. High 69°21°, low 43°6°. Typical 53°12° / 34°1°. Rain 0.03 in0.8 mm, 5% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 45°7°
  Dry
Official NWS forecast
Day: Partly sunny. High near 69, with temperatures falling to around 67 in the afternoon. Southwest wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 43. West wind 0 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–69°21°
Low, likely
43°6°–47°8°
Typical high / low
53°12° / 34°1°
Wind
9 mph15 km/h, gusts 22 mph35 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 56°13°, low 29°−2°. Typical 52°11° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 56. North wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 29.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–58°14°
Low, likely
29°−2°–45°7°
Typical high / low
52°11° / 34°1°
Wind
7 mph12 km/h, gusts 19 mph30 km/h
UV peak
2
Tuesday, Oct 27. Cloudy. High 53°12°, low 33°1°. Typical 52°11° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 53.
Night: Mostly cloudy, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–55°13°
Low, likely
33°1°–43°6°
Typical high / low
52°11° / 34°1°
Wind
9 mph14 km/h, gusts 22 mph36 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 62°17°, low 44°7°. Typical 51°11° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 62.
Night: A chance of rain showers after 8pm. Partly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–68°20°
Low, likely
41°5°–49°9°
Typical high / low
51°11° / 33°1°
Wind
10 mph16 km/h, gusts 25 mph40 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 64°18°, low 38°3°. Typical 51°11° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 47°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 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–68°20°
Low, likely
38°3°–54°12°
Typical high / low
51°11° / 33°1°
Wind
11 mph18 km/h, gusts 31 mph49 km/h
UV peak
2
Friday, Oct 30. Showers. High 61°16°, low 36°2°. Typical 50°10° / 33°1°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Partly sunny, with a high near 61.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–68°20°
Low, likely
36°2°–50°10°
Typical high / low
50°10° / 33°1°
Wind
8 mph13 km/h, gusts 23 mph37 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 63°17°, low 47°8°. Typical 50°10° / 32°0°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  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
50°10°–69°21°
Low, likely
37°3°–53°12°
Typical high / low
50°10° / 32°0°
Wind
10 mph15 km/h, gusts 23 mph37 km/h
UV peak
2
Sunday, Nov 1. Rain. High 63°17°, low 52°11°. Typical 50°10° / 32°0°. Rain 0.29 in7.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 52°11°
  40% chance · 0.04 in0.9 mm
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  40% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Rain, 56°13°
  40% chance · 0.34 in8.5 mm
4. Overnight
  midnight–6 AM
  Rain, 55°13°
  30% chance · 0.19 in4.9 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–73°23°
Low, likely
45°7°–58°14°
Typical high / low
50°10° / 32°0°
Wind
15 mph24 km/h, gusts 33 mph54 km/h
Monday, Nov 2. Rain. High 57°14°, low 49°9°. Typical 49°9° / 32°0°. Rain 0.48 in12 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  30% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  30% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  30% chance · 0.05 in1.2 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
54°12°–60°16°
Low, likely
43°6°–55°13°
Typical high / low
49°9° / 32°0°
Wind
16 mph25 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 41°.
Tomorrow
Dry, high 69°, low 43°, warming up.
Monday
Dry, high 56°, low 29°, cooling off.
Rest of week
Highs 53–64°; chance of precipitation on Sunday.

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

Au Sable River near Red Oak

23 mi

Below flood stage

Level: 3.2 ft
Flow: 820 cfs

Forecast peak 3.2 ft Sat 2 PM

Reading from Sat 8:45 AM · NWS gauge page

Tittabawassee River below Secord Dam near Gladwin

22 mi

Level: 6.1 ft
Flow: 1,160 cfs

Reading from Sat 8 AM · NWS gauge page

North Branch Au Sable River at Kellogg's Bridge near Lovells

25 mi

Level: 3.1 ft

Reading from Sat 8:45 AM · NWS gauge page

Au Sable River at Mio (Mio Dam)

25 mi

Level: 3.1 ft
Flow: 959 cfs

Reading from Sat 8:45 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 25Typical 157

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 18
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 40°F).

Open the windows?

Today, 2:00 PM–6:00 PM

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

Is this typical?

Houghton Lake Roscommon County Airport · official normals 1991–2020 · records 1913–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 6°3° warmer than normal (daily mean temperature).

+6°+3°SunOct 18
+8°+4°MonOct 19
+4°+2°TueOct 20
+5°+3°WedOct 21
+5°+3°ThuOct 22
+7°+4°FriOct 23
—SatOct 24

St. Helen weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 34 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 44 min less
Golden hour: 5:58–6:56 PM; Morning 7:46–8:44 AM
Blue hour: 6:56–7:08 PM; Morning 7:34–7:46 AM; first light 7:34 AM

Stars tonight? Fair

Mostly clear 9 PM–1 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:14 AM · rises 5:37 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from St. Helen.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

St. Helen, MI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Au Sable River near Red Oak

Tittabawassee River below Secord Dam near Gladwin

North Branch Au Sable River at Kellogg's Bridge near Lovells

Au Sable River at Mio (Mio Dam)

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