Arnold, MI Weather Forecast
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Arnold Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Mostly Cloudy | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear | Clear | Mostly Sunny | Chance of Showers | Mostly Sunny |
| Hi: 81°FHi: 27°C | Lo: 62°FLo: 17°C | Hi: 75°FHi: 24°C | Lo: 64°FLo: 18°C | Hi: 77°FHi: 25°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Lo: 49°FLo: 9°C | Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 73°FHi: 23°C | |
| POP: 20% | POP: 50% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 426 AM EDT Mon Sep 07 2026 

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Issued: 323 AM EDT Mon Sep 7 2026
Key Messages
- Above-average temperatures today, with high temperatures in the mid 70s to low 80s.
- A low pressure system tracking north of the area early this week brings likely rain on tonight into Tuesday.
- Frequent westerly wind gusts of 20 to 30 mph are expected on Wednesday. There is a 25-50% chance for gusts up to 40 mph near Lake Superior and 60-80% chance for gusts up to 45 mph in the Keweenaw.
- A Gale Watch for southerly winds up to 35 knots remains in effect for east-central Lake Superior o...
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