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Cheboygan County
 Details for Cheboygan County Dense Fog Advisory
 Islands: Mackinac/Bois Blanc
 Details for Islands: Mackinac/Bois Blanc Dense Fog Advisory  +1 additional alert

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Dense Fog Advisory DENSE FOG ADVISORY - Cheboygan County  - Islands: Mackinac/Bois Blanc

Updated: @ 23-Oct-2026 3:40am - next update at 3:45am  
Summary / Temperature Wind Rain Outlook
obscured - fog obscured - fog
Currently: 38.7°F, Max: 43.1°F, Min: 38.7°F 38.7°F
Colder 0.9°F than last hour.

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Feels like: 39°F

24-hr difference
-12°FColder 12.0°F than yesterday at this time.
  Today Yesterday
High: 43.1°F
12:00am 		55.8°F
2:39pm
Low: 38.7°F
3:36am 		43.1°F
11:55pm
Wind from E E
0.5
Gust:
 0 mph
0 Bft - Calm
Today: 2.3 mph 2:49am
Gust Month: 15.0 mph October 18
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 1.3 in
Season Total: 25.56 in
9 rain days in October.
Friday

Friday: Widespread Fog then Mostly Sunny
Widespread Fog then Mostly Sunny
Humidity & Barometer Almanac Moon
Humidity: 96 %  
Dew Point: 37.7°F Decreased 0.9°F since last hour.
Barometer: 30.38 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 8:04am
Sunset: 6:37pm
Moonset: 5:00am
Moonrise: 5:20pm
Waxing Gibbous
Waxing Gibbous, Moon at 11 days in cycle
90%
Illuminated
UV Index Forecast UV Index Forecast
23-Oct-2026
2.4     Low 
24-Oct-2026
2.4     Low 
 NWS Weather Forecast  - Outlook: Overnight & Friday
Overnight

Overnight: Widespread Fog
Widespread Fog

Lo 40 °F		 NWS forecast: Widespread fog. Mostly cloudy. Low around 40, with temperatures rising to around 42 overnight. South wind around 5 mph.
 
Friday

Friday: Widespread Fog then Mostly Sunny
Widespread Fog then Mostly Sunny

Hi 59 °F		 NWS forecast: Widespread fog before 11am. Mostly sunny, with a high near 59. Southeast wind 5 to 10 mph.
  3 Day Forecast
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday

Sunday: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Monday

Monday: Partly Sunny
Partly Sunny
Lo 43 °FHi 65 °FLo 50 °FHi 62 °FLo 40 °FHi 51 °F