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: Overcast 68°F 2025-06-18T04:30:00-05:00 
Overnight 2025-06-18, Chance Showers. A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 67. Northeast wind around 5 mph.
Wednesday 2025-06-18, Showers. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 72. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.Wednesday Night 2025-06-18, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 62. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth 2025-06-19, Slight Chance T-storms then Sunny. A slight chance of thunderstorms before 7am. Sunny, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 10%.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 63. Southwest wind around 5 mph.Friday 2025-06-20, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 5 to 15 mph.
- Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 71. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday 2025-06-21, Hot and Breezy. Sunny and hot, with a high near 92. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 75.
Sunday 2025-06-22, Hot. Sunny and hot, with a high near 93.- Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 74.
- Monday 2025-06-23, Hot. Sunny and hot, with a high near 92.
Monday Night 2025-06-23, Slight Chance T-storms then Chance Showers. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday 2025-06-24, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.