Osmun Lake, MI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Osmun Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 413 PM EDT Tue Aug 18 2026 

Osmun Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Osmun Lake Weather Map
Osmun Lake Quick Facts
Osmun Lake Forecast Discussion
Issued: 236 PM EDT Tue Aug 18 2026
Key Messages
- Showers likely and chance of thunderstorms this afternoon/evening. A few strong storms possible.
- Quiet Wednesday-Thursday
- Unsettled again Thursday night into this weekend.
Discussion
... Issued at 236 PM EDT Tue Aug 18 2026
Pattern / Forecast Synopsis:
Disheveled longwave troughing over northeastern North America to be the primary influence of the region over the forecast period, with occasional shortwave trough passages to move through the region, most of w...
Weather World