Napoleon, MI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Napoleon Weather Forecast
| THROUGH EARLY EVENING | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Partly Sunny | Mostly Cloudy | Chance of Showers | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 212 PM EDT Tue Sep 22 2026 

Napoleon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Napoleon Weather Map
Napoleon Quick Facts
Napoleon Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 741 PM EDT Tue Sep 22 2026
Key Messages
- Showers possible through far southern Michigan tomorrow
- Fair, dry with warming weather into next week
Discussion
... Issued at 255 PM EDT Tue Sep 22 2026- Showers possible through far southern Michigan tomorrow
Michigan currently is at an impasse between two systems. A low, cycling along the Iowa, Illinois and Wisconsin borders is bringing southerly moisture northward into lower michigan. A large upper level high remains entrenched over Ontario and Quebec. Michigan lies in between these ...
Weather World