National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.05°N 89.45°W (Text-Only)
NWS Forecast for: Mount Morris IL
Issued by: National Weather Service Chicago, IL
Last Update: 9:46 pm CST Dec 8, 2025		Print

  • Tonight

    Tonight: Isolated snow showers before 3am. Cloudy, with a temperature rising to around -4 by 4am. South wind around 25 km/h, with gusts as high as 45 km/h. Chance of precipitation is 20%.

    Low: -8 °C⇑

    Isolated Snow
    Showers


  • Tuesday

    Tuesday: A chance of freezing rain after 3pm, mixing with rain after 5pm. Cloudy, with a steady temperature around -2. Southwest wind 20 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 50%.

    High: -2 °C

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • Tuesday
    Night

    Tuesday Night: Rain and freezing rain, possibly mixed with snow before 11pm, then a chance of rain between 11pm and 3am, then a chance of rain and snow after 3am. Low around -2. Breezy, with a south wind 20 to 30 km/h becoming west 30 to 40 km/h in the evening. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of a centimeter possible. Little or no snow accumulation expected.

    Low: -2 °C

    Breezy.
    Wintry Mix
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near -1. Breezy, with a northwest wind 35 to 40 km/h decreasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 60 km/h. Chance of precipitation is 60%. New snow accumulation of less than one centimeter possible.

    High: -1 °C

    Snow Likely
    and Breezy
    then Slight
    Chance Snow

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -12. West northwest wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight.

    Low: -12 °C

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near -6.

    High: -6 °C

    Chance Snow



  • Thursday
    Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -14.

    Low: -14 °C

    Chance Snow



  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near -7.

    High: -7 °C

    Chance Snow



  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around -20.

    Low: -20 °C

    Mostly Cloudy



    • Tonight: Isolated snow showers before 3am. Cloudy, with a temperature rising to around -4 by 4am. South wind around 25 km/h, with gusts as high as 45 km/h. Chance of precipitation is 20%.

    Tuesday: A chance of freezing rain after 3pm, mixing with rain after 5pm. Cloudy, with a steady temperature around -2. Southwest wind 20 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 50%.

    Tuesday Night: Rain and freezing rain, possibly mixed with snow before 11pm, then a chance of rain between 11pm and 3am, then a chance of rain and snow after 3am. Low around -2. Breezy, with a south wind 20 to 30 km/h becoming west 30 to 40 km/h in the evening. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of a centimeter possible. Little or no snow accumulation expected.

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near -1. Breezy, with a northwest wind 35 to 40 km/h decreasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 60 km/h. Chance of precipitation is 60%. New snow accumulation of less than one centimeter possible.

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -12. West northwest wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight.

    Thursday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near -6.

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -14.

    Friday: A chance of snow. Mostly cloudy, with a high near -7.

    Friday Night: Mostly cloudy, with a low around -20.

    Saturday: Mostly cloudy and cold, with a high near -14.

    Saturday Night: Mostly cloudy, with a low around -21.

    Sunday: Mostly sunny, with a high near -11.

    Sunday Night: Mostly cloudy, with a low around -18.

    Monday: Mostly cloudy, with a high near -5.


    Mount Morris IL
     42.05°N 89.45°W

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