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: Fair 59°F 2024-05-18T02:35:00-05:00 
Overnight 2024-05-18, Mostly Clear. Mostly clear, with a low around 56. South wind around 5 mph.
Saturday 2024-05-18, Sunny. Sunny, with a high near 86. South wind 5 to 15 mph.Saturday Night 2024-05-18, Chance Showers then Mostly Clear. A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming northwest after midnight.
- Sunday 2024-05-19, Sunny. Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night 2024-05-19, Slight Chance T-storms then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 59. Southeast wind around 5 mph. Chance of precipitation is 50%.
Monday 2024-05-20, Showers. Showers and possibly a thunderstorm. High near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night 2024-05-20, Showers Likely. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.Tuesday 2024-05-21, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night 2024-05-21, T-storms Likely. Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday 2024-05-22, Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. Chance of precipitation is 20%.
Wednesday Night 2024-05-22, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Thursday 2024-05-23, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 69.
Thursday Night 2024-05-23, Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 48.
Friday 2024-05-24, Chance Showers. A 30 percent chance of showers. Mostly sunny, with a high near 70.