I-39 weather conditions near Portage, Wisconsin
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 65°F 2025-06-13T11:35:00-05:00 
Today 2025-06-13, Partly Sunny. Partly sunny, with a high near 74. East wind around 10 mph.
Tonight 2025-06-13, Mostly Cloudy. Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph.
Saturday 2025-06-14, Mostly Sunny. Mostly sunny, with a high near 81. Southeast wind around 5 mph.Saturday Night 2025-06-14, Partly Cloudy then Slight Chance T-storms. A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday 2025-06-15, Chance Showers. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.
Sunday Night 2025-06-15, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 5 mph.Monday 2025-06-16, Chance Showers then Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind around 5 mph.
Monday Night 2025-06-16, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 5 mph.Tuesday 2025-06-17, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Tuesday Night 2025-06-17, Showers. Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Wednesday 2025-06-18, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Wednesday Night 2025-06-18, Chance Showers. A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.Juneteenth 2025-06-19, Slight Chance Showers then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.