I-39 weather conditions near Beloit, Wisconsin
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Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 66°F 2025-07-17T12:45:00-05:00 
This Afternoon 2025-07-17, Mostly Cloudy. Mostly cloudy, with a high near 72. Northeast wind around 10 mph.
Tonight 2025-07-17, Decreasing Clouds. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Friday 2025-07-18, Mostly Sunny. Mostly sunny, with a high near 77. Northeast wind around 5 mph becoming south in the afternoon.Friday Night 2025-07-18, Slight Chance T-storms then Chance Showers. A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Southeast wind around 5 mph.
Saturday 2025-07-19, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon.
Saturday Night 2025-07-19, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening.
Sunday 2025-07-20, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. East wind 5 to 10 mph.
Sunday Night 2025-07-20, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Monday 2025-07-21, Chance Showers. A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82.
Monday Night 2025-07-21, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday 2025-07-22, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night 2025-07-22, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.- Wednesday 2025-07-23, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.