St. Ignace, MI Weather Forecast

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St. Ignace, MI Weather Forecast

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St. Ignace MI weather  - Overcast - 39°F
Overcast
39°F
Updated 5:18 pm
Feels Like 31°F
Humidity 75%
Wind NNW 15 mph
Barometer  30.17 in
Dew Point 32°F
St. Ignace MI weather  - Overcast - 4°C
Overcast
4°C
Updated 5:18 pm
Feels Like -0°C
Humidity 75%
Wind NNW 24 km/h
Barometer  102.2 kPa
Dew Point 0°C

St. Ignace Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
St. Ignace, MI Weather - Tonight Mostly Cloudy St. Ignace, MI Weather - Sunday Mostly Cloudy St. Ignace, MI Weather - Sunday Night Mostly Clear St. Ignace, MI Weather - Monday Mostly Sunny St. Ignace, MI Weather - Monday Night Partly Cloudy St. Ignace, MI Weather - Tuesday Mostly Sunny St. Ignace, MI Weather - Tuesday Night Partly Cloudy St. Ignace, MI Weather - Wednesday Partly Sunny St. Ignace, MI Weather - Wednesday Night Partly Cloudy St. Ignace, MI Weather - Thursday Chance Of Showers St. Ignace, MI Weather - Thursday Night Mostly Cloudy St. Ignace, MI Weather - Friday Mostly Cloudy
Mostly Cloudy Mostly Cloudy Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Partly Sunny Partly Cloudy Chance of Showers Mostly Cloudy Mostly Cloudy
Lo: 31°FLo: -1°C Hi: 45°FHi: 7°C
Lo: 31°FLo: -1°C Hi: 49°FHi: 9°C
Lo: 41°FLo: 5°C Hi: 51°FHi: 11°C
Lo: 41°FLo: 5°C Hi: 51°FHi: 11°C
Lo: 45°FLo: 7°C Hi: 55°FHi: 13°C
Lo: 41°FLo: 5°C Hi: 50°FHi: 10°C
POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 412 PM EST Sat Nov 14 2026 St. Ignace, MI Weather - WeatherWorld.com

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St. Ignace Forecast Discussion

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Issued: 231 PM EST Sat Nov 14 2026

Key Messages

  • Lingering nuisance light lake effect precip possible at times this weekend.
  • More sun returns Monday with a notable warming trend for much of next week.

Discussion

... Issued at 231 PM EST Sat Nov 14 2026

Pattern Synopsis/Forecast: Early this afternoon, troughing remains anchored over the Northeast with ridging prevalent upstream across the Plains. Heights aloft slowly in the process of rising locally, with that trend continuing into early this week as ridging builds into the Great Lakes...