I-90 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: Fair 71°F 2025-10-13T15:35:00-05:00 
Tonight 2025-10-13, Mostly Clear. Mostly clear, with a low around 43. Northwest wind around 5 mph.Tuesday 2025-10-14, Sunny then Slight Chance Showers. A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 65. Northeast wind around 5 mph.
Tuesday Night 2025-10-14, Showers Likely. Showers likely, mainly after 1am. Cloudy, with a low around 48. Northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday 2025-10-15, Slight Chance Showers. A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 60. East wind around 5 mph.
Wednesday Night 2025-10-15, Mostly Cloudy. Mostly cloudy, with a low around 48. East wind around 5 mph becoming calm.
Thursday 2025-10-16, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a high near 68. South wind 5 to 10 mph.
Thursday Night 2025-10-16, Slight Chance Showers. A 20 percent chance of showers. Mostly cloudy, with a low around 56. Southeast wind around 10 mph.
Friday 2025-10-17, Partly Sunny. Partly sunny, with a high near 76. South wind 10 to 15 mph.- Friday Night 2025-10-17, Showers Likely. Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday 2025-10-18, Chance Showers. A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 70.
Saturday Night 2025-10-18, Chance Showers. A 30 percent chance of showers. Partly cloudy, with a low around 45.
Sunday 2025-10-19, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 61.
Sunday Night 2025-10-19, Slight Chance Showers. A 20 percent chance of showers. Mostly clear, with a low around 40.
Monday 2025-10-20, Sunny. Sunny, with a high near 66.