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I-90 Wisconsin Road Conditions
Radar and live pavement conditions on the 187 miles of I-90 in Wisconsin — plus closures, road work and city-by-city weather across the state.
Updated Sep 10, 2026 7:33 PM CDT · Mostly dry
Lowest 74°F near Madison, Wisconsin · Highest wind 7 mph near Madison, Wisconsin
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I-90 runs 187 miles across Wisconsin. It passes Madison.
- Interstate: I-90
- State: Wisconsin
- Length in state: 187 mi
Weather data from Sep 10, 2026 7:33 PM CDT
74°F
76°F
7 mph
29.93-30.01 inHg
Current I-90 in Wisconsin Conditions by State
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.
No full closures are reported on I-90 in Wisconsin as of Sep 10, 2026 7:33 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.
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.
- 3 mi La Crosse 2.8 mi off the road
- 11 mi West Salem
- 26 mi Sparta 1.1 mi off the road
- 70 mi Mauston
- 91 mi Lake Delton 1.4 mi off the road
- 117 mi Poynette 3.1 mi off the road
- 129 mi DeForest 1.1 mi off the road
- 129 mi Windsor 4.6 mi off the road
- 134 mi Sun Prairie 4.0 mi off the road
- 142 mi McFarland 1.4 mi off the road
- 166 mi Milton 3.3 mi off the road
- 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.
Summaries fetched Sep 10, 2026 7:07 AM CDT
Madison, WI weather
- Current weather conditions in Madison, WI indicate a temperature of 58.6°F with a dew point of 55.4°F and humidity at 89%
- The atmospheric pressure is 30.06 inHg, and visibility is good at 9.9 miles
- Winds are light, coming from the northwest at 2 mph
- The weather is clear and sunny, making for a pleasant morning
- There are no active weather alerts at this time.
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 Sep 10, 2026 7:33 PM CDT. Right now temperatures run from 74°F to 76°F and the strongest wind is 7 mph.
- Where are Wisconsin road closures reported officially?
- Wisconsin's official traveler information service is 511wi.gov, and it is where closures and restrictions are reported.
- 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.
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