I-90 Wisconsin Road Conditions

I-90 crosses 187 miles of Wisconsin, between the Illinois line and the Minnesota line. That is 6% of I-90's 3,020 miles.

Inside Wisconsin it meets I-94 and I-39 at Madison.

By mile marker, I-90 passes Madison 138 (6 mi off). It is the only city on this stretch that the mileposts name.

No full closures are reported on I-90 in Wisconsin as of Oct 8, 2026 8:48 PM CDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.

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-90 in Wisconsin

From La Crosse to Beloit, with the position of each town measured along this stretch itself — counted from the La Crosse end, not from a state milepost, so it will not match the numbers on the signs.

1. 3 mi La Crosse 2.8 mi off the road
2. 11 mi West Salem
3. 26 mi Sparta 1.1 mi off the road
4. 70 mi Mauston
5. 91 mi Lake Delton 1.4 mi off the road
6. 117 mi Poynette 3.1 mi off the road
7. 129 mi DeForest 1.1 mi off the road
8. 129 mi Windsor 4.6 mi off the road
9. 134 mi Sun Prairie 4.0 mi off the road
10. 142 mi McFarland 1.4 mi off the road
11. 166 mi Milton 3.3 mi off the road
12. 187 mi Beloit 2.1 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-90 in Wisconsin Road Weather FAQ

Is Interstate 90 in Wisconsin closed right now?

No full closures are reported on I-90 in Wisconsin. No lane closures or roadworks are reported either.

What are I-90 in Wisconsin road conditions today?

The map on this page colors the route along I-90 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 8:48 PM CDT. Right now temperatures run from 56°F to 60°F and the strongest wind is 3 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-90 in Wisconsin beside our own road-surface forecast.

How often are I-90 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.