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St. Peter, MI Weather Forecast

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St. Peter, MI Weather Forecast

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St. Peter MI weather - Clear - 71°F
Clear
71°F
Updated 8:46 pm
Feels Like 72°F
Humidity 88%
Wind S 2 mph
Barometer  30.1 in
Dew Point 68°F
St. Peter MI weather - Clear - 22°C
Clear
22°C
Updated 8:46 pm
Feels Like 22°C
Humidity 88%
Wind S 3 km/h
Barometer  101.9 kPa
Dew Point 20°C
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St. Peter Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
St. Peter, MI Weather - Tonight Chance Of Showers St. Peter, MI Weather - Wednesday Chance Of Showers St. Peter, MI Weather - Wednesday Night Chance Of T-Storm St. Peter, MI Weather - Thursday Chance Of T-Storm St. Peter, MI Weather - Thursday Night Partly Cloudy St. Peter, MI Weather - Friday Mostly Sunny St. Peter, MI Weather - Friday Night Chance Of T-Storm St. Peter, MI Weather - Saturday Chance Of T-Storm St. Peter, MI Weather - Saturday Night Chance Of T-Storm St. Peter, MI Weather - Sunday Chance Of T-Storm St. Peter, MI Weather - Sunday Night Chance Of Showers St. Peter, MI Weather - Monday Chance Of Showers
Chance of Showers Chance of Showers Chance of T-Storm Chance of T-Storm Partly Cloudy Mostly Sunny Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers
Lo: 60°FLo: 16°C Hi: 71°FHi: 22°C
 Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 70°FHi: 21°C
 Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
POP: 20% POP: 20% POP: 50% POP: 50% POP: 70% POP: 90% POP: 70% POP: 50% POP: 40% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 732 PM EDT Tue Sep 15 2026 St. Peter, MI Weather - WeatherWorld.com

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St. Peter Forecast Discussion

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Issued: 759 PM EDT Tue Sep 15 2026

Key Messages

  • Rain chances remain through Wednesday night for southern areas
  • Drier weather Thursday and Friday
  • Stronger system with heavy rain potential Saturday

Discussion

... Issued at 240 PM EDT Tue Sep 15 2026
  • Rain chances remain through Wednesday night for southern areas

    • Most areas saw at least one round of at least showers with scattered storms at some point today. The main area of rain earlier was the remnants of a 60 knot low level jet that moved over the area very early this morning. Another...