I-39 weather conditions near Janesville, Wisconsin
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy with Haze 73°F 2025-07-31T12:45:00-05:00 
This Afternoon 2025-07-31, Areas Smoke. Areas of smoke. Mostly sunny, with a high near 74. Northeast wind 10 to 15 mph.
Tonight 2025-07-31, Areas Smoke. Areas of smoke. Partly cloudy, with a low around 54. North wind 5 to 10 mph.- Friday 2025-08-01, Patchy Smoke. Patchy smoke. Sunny, with a high near 76. Northeast wind around 5 mph.
- Friday Night 2025-08-01, Patchy Smoke. Patchy smoke before 1am. Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.
- Saturday 2025-08-02, Mostly Sunny. Mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph.
Saturday Night 2025-08-02, Mostly Clear. Mostly clear, with a low around 53. Calm wind.
Sunday 2025-08-03, Sunny. Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night 2025-08-03, Partly Cloudy. Partly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.- Monday 2025-08-04, Mostly Sunny. Mostly sunny, with a high near 80.
- Monday Night 2025-08-04, Partly Cloudy. Partly cloudy, with a low around 60.
Tuesday 2025-08-05, Slight Chance Showers then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
- Tuesday Night 2025-08-05, Mostly Clear. Mostly clear, with a low around 61.
Wednesday 2025-08-06, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 82.