Roscommon, MI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Roscommon Weather Forecast
| TODAY | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 912 AM EDT Sun Sep 06 2026 

Roscommon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Roscommon Weather Map
Roscommon Quick Facts
Roscommon Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 608 AM EDT Sun Sep 6 2026
Key Messages
-Dry through Monday with warm days and cool nights.
-Increasing humidity with shower and thunderstorm chances returning Tuesday afternoon into Wednesday.
-Increasingly windy Tuesday and especially Wednesday.
Discussion
... Issued at 1257 AM EDT Sun Sep 6 2026
Pattern / Forecast Synopsis:
Retrograding closed low pressure within a longwave troughing regime over Atlantic Canada has forced a large area of Canadian high pressure over the upper Great Lakes as a stout 500mb ridge axis folds overh...
Weather World