7-Day Forecast 40.8°N 89.2°W (Text-Only)
NWS Forecast for: Roanoke IL
Issued by: National Weather Service Lincoln, IL
Last Update: 1:56 pm CDT Sep 10, 2026
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  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm.  Mostly cloudy, with a high near 78. Light and variable wind becoming north northwest around 5 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 82. Southeast wind 3 to 7 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 65. Light and variable wind becoming southeast around 5 mph in the evening.

    Low: 65 °F

    Mostly Cloudy


  • Saturday

    Saturday: Partly sunny, with a high near 86. South southwest wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 86 °F

    Partly Sunny


  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 61. Northwest wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy


  • Sunday

    Sunday: Mostly sunny, with a high near 82. North northeast wind 3 to 7 mph.

    High: 82 °F

    Mostly Sunny


  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy


  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny




  • This Afternoon: A 20 percent chance of showers before 4pm. Mostly cloudy, with a high near 78. Light and variable wind becoming north northwest around 5 mph.

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. Light and variable wind.

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Southeast wind 3 to 7 mph.

    Friday Night: Mostly cloudy, with a low around 65. Light and variable wind becoming southeast around 5 mph in the evening.

    Saturday: Partly sunny, with a high near 86. South southwest wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    Saturday Night: Partly cloudy, with a low around 61. Northwest wind 3 to 5 mph.

    Sunday: Mostly sunny, with a high near 82. North northeast wind 3 to 7 mph.

    Sunday Night: Partly cloudy, with a low around 60.

    Monday: Mostly sunny, with a high near 86.

    Monday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 69.

    Tuesday: A chance of showers. Mostly sunny, with a high near 85.

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 62.

    Wednesday: A chance of showers. Partly sunny, with a high near 79.



    Roanoke IL
     40.8°N 89.2°W (Elev. 738 ft)

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