Weather WorldTomassi Lake, MI Weather Forecast
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Tomassi Lake Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  | |  | | | |  | |
| Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 78°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 57°FLo: 14°C | Hi: 79°FHi: 26°C Lo: 57°FLo: 14°C | Lo: 60°FLo: 16°C | Hi: 76°FHi: 24°C | Lo: 58°FLo: 14°C | Hi: 75°FHi: 24°C | Lo: 62°FLo: 17°C | Hi: 78°FHi: 26°C Lo: 54°FLo: 12°C | |
| POP: 90% | POP: 40% | POP: 40% | POP: 50% | POP: 80% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 AM CDT Fri Sep 04 2026 
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Issued: 409 AM EDT Fri Sep 4 2026
Key Messages
- Ongoing showers and storms will pass out of the UP by mid-morning, with rain chances (up to 40%) lingering in the western UP through this evening.
- Above-average temperatures will persist through Labor Day Weekend, with high temperatures in the mid to upper 70s.
- Dry conditions prevail Saturday and Sunday, and precipitation chances increase throughout the day on Monday to 50% in the west by evening.
Discussion
... Issued at 408 AM EDT Fri Sep 4 2026
Radar imagery this morning shows multip...