I-39 Wisconsin Road Conditions

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.

By mile marker, I-39 passes Madison 48 (6 mi off) · Wausau 181 (5 mi off).

6 current reports along the route. Always check with the responsible state DOT before setting off.

• Lanes blocked

  Ramp Full Closure on I-39 SB at ON RAMP FROM COUNTY J/E. Detour: Detour will utilize NB IH 39 to STH 21 exit ramp to IH…

  Ramp Full Closure on I-39 SB at ON RAMP FROM COUNTY J/E. Detour: Detour will utilize NB IH 39 to STH 21 exit ramp to IH 39 SB entrance ramp.

  I-39 SB • southbound • WI • Until Oct 14, 11:00 AM

• Lanes blocked

  Mainline Various Lanes Closed on I-39 NB from OFF RAMP TO WIS 60 to ON RAMP FROM COUNTY CS. Weekly from 09/13/2026 to…

  Mainline Various Lanes Closed on I-39 NB from OFF RAMP TO WIS 60 to ON RAMP FROM COUNTY CS. Weekly from 09/13/2026 to 12/18/2026, 10:00 PM Sun - 08:00 AM Fri

  I-39 NB • northbound • WI • Until Oct 9, 1:00 PM

• Lanes blocked

  Mainline Various Lanes Closed on I-39 SB from BLACK RD (BRIDGE CROSSING) to ON RAMP FROM WIS 60. Weekly from 09/13/2026…

  Mainline Various Lanes Closed on I-39 SB from BLACK RD (BRIDGE CROSSING) to ON RAMP FROM WIS 60. Weekly from 09/13/2026 to 12/18/2026, 10:00 PM Sun - 08:00 AM Fri

  I-39 SB • southbound • WI • Until Oct 9, 1:00 PM

• Lanes blocked

  Mainline Various Lanes Closed on I-39 NB from OFF RAMP TO WIS 60 to ON RAMP FROM COUNTY CS. Daily from 09/17/2026 to…

  Mainline Various Lanes Closed on I-39 NB from OFF RAMP TO WIS 60 to ON RAMP FROM COUNTY CS. Daily from 09/17/2026 to 12/17/2026, 09:00 PM - 11:59 PM, Th (excluding Sun, M, T, W, F, Sat)

  I-39 NB • northbound • WI • Until Oct 9, 4:59 AM

• Lanes blocked

  Mainline Various Lanes Closed on I-39 SB from BLACK RD (BRIDGE CROSSING) to ON RAMP FROM WIS 60. Daily from 09/17/2026…

  Mainline Various Lanes Closed on I-39 SB from BLACK RD (BRIDGE CROSSING) to ON RAMP FROM WIS 60. Daily from 09/17/2026 to 12/17/2026, 09:00 PM - 11:59 PM, Th (excluding Sun, M, T, W, F, Sat)

  I-39 SB • southbound • WI • Until Oct 9, 4:59 AM

• Lanes blocked

  Mainline Right Lane Closed on I-39 SB from OFF RAMP TO COUNTY J/E to FAWN AVE (BRIDGE CROSSING)

  I-39 SB • southbound • WI • Until Oct 14, 11:00 AM

Winter reporting is off for the season. Iowa DOT's Winter Road Conditions – Midwest Region feed, which carries Wisconsin DOT's segment-by-segment snow and ice conditions, runs from October 15 to April 15; outside that window it changes only as needed. Our own forecast below runs year-round.

Conditions are entered by Wisconsin DOT maintenance staff and describe what is on the pavement, not the forecast. They reach this page through Iowa DOT's Winter Road Conditions – Midwest Region feed, published for reference; the authoritative report is 511WI. Always check with 511WI before setting off.

Source: Wisconsin DOT, via Iowa DOT's Midwest Region layer, CC BY 4.0.

NOAA 1991–2020 Climate Normals, from a weather station in Wisconsin. A dash is a figure that station does not report, not a zero.

Towns Along I-39 in Wisconsin

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.

1. 1 mi Beloit 2.1 mi off the road
2. 20 mi Milton 3.3 mi off the road
3. 46 mi Monona 2.9 mi off the road
4. 53 mi Maple Bluff 4.0 mi off the road
5. 60 mi DeForest 1.0 mi off the road
6. 67 mi Lodi 4.5 mi off the road
7. 84 mi Portage 1.4 mi off the road
8. 151 mi Whiting 2.1 mi off the road
9. 174 mi Mosinee
10. 181 mi Schofield 1.9 mi off the road
11. 181 mi Wausau 5.0 mi off the road
12. 181 mi Weston 4.4 mi off the road

Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.

Related Roads

I-39 in Wisconsin Road Weather FAQ

Is Interstate 39 in Wisconsin closed right now?

No full closures are reported on I-39 in Wisconsin as of Oct 8, 2026 10:47 PM CDT. 6 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.

What are I-39 in Wisconsin road conditions today?

The map on this page colors the route along I-39 in Wisconsin by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Oct 8, 2026 9:13 PM CDT. Right now temperatures run from 47°F to 57°F and the strongest wind is 4 mph.

Where are Wisconsin road closures reported officially?

Wisconsin's official traveler information service is 511WI, at 511wi.gov, and it is where closures and restrictions are reported.

How often does Wisconsin DOT update winter road conditions?

Wisconsin DOT reports the winter condition of each stretch of state highway through Iowa DOT's Winter Road Conditions – Midwest Region feed, which runs from October 15 to April 15 and refreshes every 10 minutes. The conditions are entered by maintenance staff and describe what is on the pavement, not a forecast; this page shows the current report for I-39 in Wisconsin beside our own road-surface forecast.

How often are I-39 in Wisconsin road conditions updated?

The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.