Hazardous Weather Conditions
Current conditions at
Alpena, Alpena County Regional Airport (KAPN)
Lat: 45.07°NLon: 83.56°WElev: 689ft.
Mostly Cloudy
58°F
14°C
| Humidity | 93% |
| Wind Speed | W 6 mph |
| Barometer | 29.82 in (1009.9 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 3:54 am EDT |
Extended Forecast for
3 Miles NW Thunder Bay National Marine Sanctuary MI
Overnight

Low: 58 °F
Slight Chance
ShowersSunday

High: 67 °F
Chance
Showers and
BreezySunday Night

Low: 55 °F
Chance
ShowersMonday

High: 68 °F
Chance
ShowersMonday Night

Low: 55 °F
Partly Cloudy
Tuesday

High: 76 °F
Sunny
Tuesday Night

Low: 61 °F
Partly Cloudy
Wednesday
High: 78 °F
Mostly Sunny
then Showers
LikelyWednesday Night

Low: 64 °F
Showers
Likely
Detailed Forecast
Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 58. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 67. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 55. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 68. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 55. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64.
Thursday
Showers likely, mainly after 2pm. Partly sunny, with a high near 73.
Thursday Night
Showers likely. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NW Thunder Bay National Marine Sanctuary MI
45.08°N 83.34°W (Elev. 610 ft)
45.08°N 83.34°W (Elev. 610 ft)
4:11 am EDT Aug 23, 2026
4am EDT Aug 23, 2026-6pm EDT Aug 29, 2026



