NWS Forecast for: Ottawa IL
Issued by: National Weather Service Chicago, IL
Last Update: 3:15 pm CDT May 23, 2019
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  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am.  Increasing clouds, with a low around 58. West northwest wind 5 to 10 mph becoming east northeast after midnight.  Chance of precipitation is 30%.

    Mostly Clear
    then Chance
    Showers

    Low: 58 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 81. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    High: 81 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 67. South wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    Low: 67 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Some of the storms could be severe.  Cloudy, with a high near 81. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Severe
    Thunderstorms

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Chance
    T-storms

    Low: 63 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    Showers
    Likely

    High: 75 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 58.

    Mostly Cloudy
    then Chance
    Showers

    Low: 58 °F

  • Memorial
    Day

    Memorial Day: A chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 81.

    Chance
    Showers

    High: 81 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 63.

    Mostly Cloudy


    Low: 63 °F



  • Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 58. West northwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 30%.

    Friday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 81. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Friday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Cloudy, with a high near 81. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58.

    Memorial Day: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81.

    Monday Night: Mostly cloudy, with a low around 63.

    Tuesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    Tuesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 59.

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 74.

    Wednesday Night: Partly cloudy, with a low around 54.

    Thursday: Sunny, with a high near 73.



    Ottawa IL
     41.35°N 88.85°W

    Visit your local NWS office at: https://www.weather.gov/lot