I-80 weather conditions near Oswego, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair with Haze 76°F 2025-09-20T11:52:00-05:00 
This Afternoon 2025-09-20, Scattered T-storms. Scattered showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.Tonight 2025-09-20, Chance Showers then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming east southeast in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-09-21, Chance Showers then Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night 2025-09-21, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.Monday 2025-09-22, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. South southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Monday Night 2025-09-22, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.Tuesday 2025-09-23, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Tuesday Night 2025-09-23, Chance Showers. A chance of showers before 1am. Mostly cloudy, with a low around 61.
Wednesday 2025-09-24, Chance Showers. A chance of showers. Mostly cloudy, with a high near 73.- Wednesday Night 2025-09-24, Chance Showers. A chance of showers before 1am. Mostly cloudy, with a low around 58.
- Thursday 2025-09-25, Chance Showers. A chance of showers. Partly sunny, with a high near 73.
- Thursday Night 2025-09-25, Chance Showers. A chance of showers. Mostly cloudy, with a low around 55.
Friday 2025-09-26, Chance Showers. A chance of showers. Mostly sunny, with a high near 73.