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Radar and live pavement conditions on the 181 miles of I-39 in Wisconsin — plus closures, road work and city-by-city weather across the state.
Updated Sep 10, 2026 8:03 PM CDT · Mostly dry
Lowest 67°F near Wausau, Wisconsin · Highest wind 2 mph near Wausau, Wisconsin
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I-39 runs 181 miles across Wisconsin. It passes Wausau and Madison.
Weather data from Sep 10, 2026 8:03 PM CDT
Dry
I-39 crosses 181 miles of Wisconsin, from the Illinois line to its end in the state. That is 59% of I-39's 306 miles.
Inside Wisconsin it meets I-90 and I-94 at Madison, and I-43.
No full closures are reported on I-39 in Wisconsin as of Sep 10, 2026 8:03 PM CDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Madison | 50.9" | 38.7 | 148.5 | 87.2 | Oct 5 | May 2 | 5.9 |
NOAA 1991–2020 Climate Normals, from a weather station in Wisconsin. A dash is a figure that station does not report, not a zero.
From Beloit to Weston, with the position of each town measured along this stretch itself — counted from the Beloit end, not from a state milepost, so it will not match the numbers on the signs.
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Sep 10, 2026 7:07 AM CDT
The same live radar and road-surface data as this map, on your phone and on Apple CarPlay or Android Auto.
Weather Navigation carries the same radar and road-surface data on Apple CarPlay and Android Auto, with a weather-aware route planner, storm-cell tracking and radar that refreshes every two minutes over the US.