I-39 Weather Conditions and Forecasts

2026-09-25 Roadnow

I-39 Tuesday 2026-09-29 weather conditions

• detailI-39 Wisconsin: Slight Chance Showers then Chance Showers, 48°F
• detailI-39 Illinois: Partly Sunny then Chance Showers, 53°F

I-39 7 day weather forecast