I-80 weather conditions near Ottawa, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 74°F 2025-09-18T20:15:00-05:00 - Tonight 2025-09-18, Partly Cloudy. Partly cloudy, with a low around 60. East northeast wind around 5 mph.
Friday 2025-09-19, Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 4pm. Partly sunny, with a high near 87. East wind around 5 mph becoming south southwest in the afternoon.
Friday Night 2025-09-19, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. North northwest wind around 5 mph becoming east southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday 2025-09-20, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 81. East southeast wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 30%.
Saturday Night 2025-09-20, Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 5 mph.
Sunday 2025-09-21, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Sunday Night 2025-09-21, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.Monday 2025-09-22, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.
Monday Night 2025-09-22, Chance Showers. A chance of showers. Mostly cloudy, with a low around 62.
Tuesday 2025-09-23, Chance Showers. A chance of showers. Mostly cloudy, with a high near 76.
Tuesday Night 2025-09-23, Mostly Cloudy. Mostly cloudy, with a low around 60.
Wednesday 2025-09-24, Partly Sunny. Partly sunny, with a high near 76.- Wednesday Night 2025-09-24, Mostly Cloudy. Mostly cloudy, with a low around 58.
- Thursday 2025-09-25, Partly Sunny. Partly sunny, with a high near 75.