Weather World
Arpin, WI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Arpin Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 |  |  |  | |  | |  |  | | | |
| Mostly Sunny | Chance of Showers | Chance of Showers | Patchy Fog | Chance of Showers | Chance of T-Storm | Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 40% | POP: 20% | POP: 90% | POP: 100% | POP: 70% | POP: 30% | POP: 40% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 622 AM CDT Wed Sep 16 2026 
Arpin Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Arpin Weather Map
Arpin Quick Facts
Arpin Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 611 AM CDT Wed Sep 16 2026
Key Messages
- Light rain chances (40 to 60%) return tonight into Thursday morning, though rainfall totals will remain light at under one tenth of an inch.
- Confidence is increasing for a significant heavy rainfall event Friday afternoon into Saturday, focused across central and east-central Wisconsin.
- Another round of showers and potential thunderstorms towards early next week.
Discussion
... Issued at 119 AM CDT Wed Sep 16 2026
The latest RAP analysis and satellite/radar imagery show high pressure ce...