Weather Route Planner
Plan your drive with the power of live weather and road data. Get route suggestions based on forecasted weather, road conditions, radar, and real-time weather alerts. Avoid hazards before you even start the engine.
I-39 Interstate Road Conditions
I-39 Road Conditions & Weather
Updated Aug 23, 2026 11:38 PM UTC · 2 states · Mostly dry
Lowest 72°F near Wausau, Wisconsin · Highest wind 13 mph near Rockford, Illinois
Use Weather Navigation for your next Road Trip
Interstate 39 (I‑39) runs from Normal, Illinois, to Rothschild, Wisconsin near Wausau, providing a north–south route through central Illinois and Wisconsin. It passes through cities such as Bloomington-Normal, Rockford, Beloit, Madison, and Stevens Point.
- Road system: Interstate Highway System
- Year of construction: 1980
- Length: 306 miles
Weather data from Aug 23, 2026 11:38 PM UTC
72°F
75°F
13 mph
1015-1018 hPa
Current I-39 Conditions by State
Illinois I-39 road conditions
Dry
- Rockford 74°F · 10 mph wind · Dry
Official Illinois road conditions (gettingaroundillinois.com) ↗
See live weather forecast for I‑39. Get real‑time I‑39 road and weather conditions displayed directly on the interactive map for your route through Illinois and Wisconsin.
The map shows live weather conditions along Interstate 39, updated frequently to help drivers plan safer trips. Forecasts are generated for the next 6 hours at key highway points and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more.
2 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 WIS 23
-
Lanes blocked
Mainline Various Lanes Closed on I-39 NB from CUBA VALLEY RD (BRIDGE CROSSING) to DANE - COLUMBIA CO LINE. Daily from…
Mainline Various Lanes Closed on I-39 NB from CUBA VALLEY RD (BRIDGE CROSSING) to DANE - COLUMBIA CO LINE. Daily from 07/06/2026 to 08/31/2026, 06:00 PM - 11:59 PM, Sun, M, T, W (excluding Th, F, Sat)
Illinois I-39 weather conditions
Rockford, IL weather
- Currently in Rockford, IL, the weather is sunny with a temperature of 13.0°C (55°F) and a relative humidity of 85%
- The wind is blowing from the northwest at 3.7 kph (2.3 mph)
- The atmospheric pressure is measured at 1019 mb (30.09 inHg)
- Visibility is good at 16 km (9.9 miles)
- There are no significant weather alerts at this time, and conditions are expected to remain pleasant throughout the day.
Wisconsin I-39 weather conditions
Madison, WI weather
- Current weather conditions in Madison, WI, indicate a temperature of 14.9°C (58.8°F) with a humidity level of 79%
- The wind is blowing from the northwest at 4 km/h (2 mph)
- Visibility is good at 16 km (9.9 miles)
- The atmospheric pressure is measured at 1019 mb (30.07 inHg)
- The weather is sunny, and there is no precipitation expected at this time, resulting in a 0% probability of precipitation.
I-39 Road Weather FAQ
- Is I-39 closed right now?
- No full closures are reported on I-39 as of Aug 23, 2026 11:47 PM UTC. 2 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.
- What are I-39 road conditions today?
- The map on this page colours the route along I-39 by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 11:38 PM UTC. Right now temperatures run from 72°F to 75°F and the strongest wind is 13 mph.
- How often are I-39 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.
Innovative IT solutions provider
Weather Road Planner for car and mobile
Car Play Weather Navigation is at the forefront of merging real-time weather data with seamless navigation. Our app, designed for iOS and Apple CarPlay, specializes in providing live weather radar updates to ensure your safety and journey efficiency. Experience the confidence of driving with the most advanced, weather-informed route planning at your fingertips.
Your journey, enlightened by weather intelligence, begins here.
Live Weather Radar with Cloud Movement
No more second-guessing the forecast. Whether it’s clear skies or an incoming storm, stay prepared and in control, knowing every mile of your journey is planned with the latest weather insights.
Road Conditions Within 100km Radius
No destination? No problem. Automatically see nearby road conditions in a 100 km radius using color-coded indicators: Green (Safe), Yellow (Caution), Red (Danger). Perfect for spontaneous drives.
Hello Weather – Welcome Forecast
Your personal weather assistant – every time you start your car. Get an instant, friendly forecast update with all-day insights tailored to your location – from the moment you start your drive.
Radar Refresh Every 5 Min Worldwide (2 Min the US)
Stay updated faster than the storm. Radar updates every 5 minutes globally – and every 2 minutes in the US for Premium users. Get the freshest data possible, wherever you are.
Custom Radar Layers with Storm Cells Tracking
Customize your radar and track severe storms in real time. Choose layers like temperature, wind, or precipitation, and overlay storm cells to see hail, tornadoes, and rotation with speed and direction – all on your car display.