Ottawa, IL Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days.

3 days ago · A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms …

Be prepared with the most accurate 10-day forecast for Ottawa, Illinois 61350 with highs, lows, chance of precipitation from The Weather Channel and Weather.com

Dec 24, 2025 · Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Ottawa area.

3 days ago · Ottawa (Illinois) Weather Forecast. Providing a local hourly Ottawa (Illinois) weather forecast of rain, sun, wind, humidity and temperature. The Long-range 12 day forecast also includes …

Ottawa, IL temperature trend for the next 14 Days. Find daytime highs and nighttime lows from TheWeatherNetwork.com.

View detailed hour-by-hour weather forecast for Ottawa, IL. Track temperature, precipitation, dew point, humidity, wind and more with accurate hourly predictions from WeatherBug.

Discover the weather conditions in Ottawa & see if there is a chance of rain, snow, or sunshine. Plan your activities, travel, or work with confidence by checking out our detailed hourly forecast for Ottawa.

Be prepared with the most accurate 10-day forecast for Ottawa, IL, United States with highs, lows, chance of precipitation from The Weather Channel and Weather.com

Hourly weather forecast in Ottawa, IL. Check current conditions in Ottawa, IL with radar, hourly, and more.