I-90 weather conditions near Janesville, Wisconsin
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Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 70°F 2025-06-29T05:45:00-05:00 Today 2025-06-29, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 97. Light south wind increasing to 5 to 10 mph in the morning.
Tonight 2025-06-29, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph.
Monday 2025-06-30, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. West wind 5 to 10 mph becoming northwest in the afternoon.
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, Sunny. Sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the morning.
- Wednesday Night 2025-07-02, Mostly Clear. Mostly clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Thursday 2025-07-03, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
Thursday Night 2025-07-03, Partly Cloudy then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Friday Night 2025-07-04, Slight Chance T-storms then Chance Showers. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday 2025-07-05, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.