I-39 Weather

I-39 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the I-39 corridor. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.

Updated Sep 6, 5:13 AM CDT · 2 states Clear
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Weather Summary for I-39

Along I-39, expect generally mild and dry conditions with mostly clear to partly cloudy skies. Temperatures remain comfortable without extremes, and winds are light with no significant gusts over 20 mph. No precipitation or hazardous weather is forecasted during this period.

Current I-39 Conditions by State

WisconsinClear
  • Clear skies expected in Marathon and Plover through mid-morning, with some increasing clouds in the afternoon.
  • Central Wisconsin locations including Endeavor, Windsor, and Johnstown Center will see mostly clear to partly cloudy skies throughout the day.
  • No significant wind gusts over 20 mph are expected in Wisconsin along I-39.
Updated Sep 6, 5:13 AM CDT
Official 511
IllinoisClear
  • Mostly clear skies with some areas of partial cloudiness in New Milford, Paw Paw, Lostant, and Congerville.
  • Temperatures will be mild and comfortable, rising into the mid to upper 70s by afternoon.
  • Winds remain light with gusts below 20 mph, so no notable wind impacts expected.
Updated Sep 6, 5:13 AM CDT
Official 511
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