I-90 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: Mostly Cloudy 84°F 2025-06-28T13:45:00-05:00 
This Afternoon 2025-06-28, Mostly Sunny. Mostly sunny, with a high near 86. South wind around 5 mph.
Tonight 2025-06-28, Partly Cloudy. Partly cloudy, with a low around 68. South wind around 5 mph.Sunday 2025-06-29, Mostly Sunny then Chance Showers. A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night 2025-06-29, Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday 2025-06-30, Chance T-storms. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Northwest wind 5 to 10 mph. Chance of precipitation is 50%.
Monday Night 2025-06-30, Mostly Clear. Mostly clear, with a low around 62. West wind 5 to 10 mph.
Tuesday 2025-07-01, Sunny. Sunny, with a high near 83. Northwest wind 5 to 10 mph.- Tuesday Night 2025-07-01, Mostly Clear. Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
- Wednesday 2025-07-02, Mostly Sunny. Mostly sunny, with a high near 85.
Wednesday Night 2025-07-02, Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%.Thursday 2025-07-03, Slight Chance Showers then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Thursday Night 2025-07-03, Partly Cloudy then Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 63.
Independence Day 2025-07-04, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 87.