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: Fog/Mist 64°F 2025-09-14T01:15:00-05:00 - Overnight 2025-09-14, Patchy Fog. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. East wind around 5 mph becoming calm.
Sunday 2025-09-14, Patchy Fog then Sunny. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 82. East wind around 5 mph.
Sunday Night 2025-09-14, Mostly Clear. Mostly clear, with a low around 59. Southeast wind around 5 mph.
Monday 2025-09-15, Sunny. Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the morning.
Monday Night 2025-09-15, Partly Cloudy. Partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Tuesday 2025-09-16, Mostly Sunny. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.- Tuesday Night 2025-09-16, Partly Cloudy. Partly cloudy, with a low around 62. Southeast wind around 5 mph becoming calm.
- Wednesday 2025-09-17, Mostly Sunny. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night 2025-09-17, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.
Thursday 2025-09-18, Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night 2025-09-18, Chance Showers. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday 2025-09-19, Chance Showers. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Friday Night 2025-09-19, Chance Showers. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday 2025-09-20, Slight Chance Showers. A 20 percent chance of showers. Partly sunny, with a high near 72.