| NWS Forecast for: Sullivan WI Issued by: National Weather Service Milwaukee, WI Last Update: 4:36 am CDT Oct 13, 2026 | |
Today: Sunny, with a high near 23. West wind 10 to 20 km/h. Tonight: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Increasing clouds, with a low around 13. Calm wind. Chance of precipitation is 30%. Wednesday: Mostly cloudy, with a high near 18. North wind 5 to 10 km/h. Wednesday Night: Mostly cloudy, with a low around 9. East wind around 10 km/h. Thursday: Showers likely, mainly after 1pm. Cloudy, with a high near 16. East wind 10 to 15 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible. Thursday Night: Showers likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 6. Northeast wind 5 to 10 km/h becoming northwest 15 to 25 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible. Friday: Mostly sunny, with a high near 13. Breezy, with a northwest wind 30 to 35 km/h, with gusts as high as 55 km/h. Friday Night: Mostly clear, with a low around -1. North wind 10 to 15 km/h becoming light northwest after midnight. Saturday: Sunny, with a high near 14. Saturday Night: Clear, with a low around 2. Sunday: Sunny, with a high near 18. Sunday Night: Partly cloudy, with a low around 7. Monday: A 20 percent chance of showers. Partly sunny, with a high near 19. | |
| Sullivan WI 43°N 88.6°W (Elev. 846 m) | |
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