Forecast

    Forecast for Round Lake Beach, IL | Forecast Periods: 14
    Monday
    Mar 16
    2026

    Round Lake Beach, IL

    Updated: 2:41 PM CDT

    25°F

    Snow Showers Likely And Patchy Blowing Snow

    20 mph NW
    Precipitation: 64%

    Snow showers likely and patchy blowing snow. Cloudy. High near 25, with temperatures falling to around 23 in the afternoon. Northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.

    Hourly Forecast

    MON15:00
    24°F
    Snow Showers Likely And Patchy Blowing Snow
    Dewpoint:-8.3°Precip:64%Humidity:75%Wind:25 mph NW
    MON16:00
    23°F
    Chance Snow Showers And Patchy Blowing Snow
    Dewpoint:-8.9°Precip:50%Humidity:73%Wind:25 mph NW
    MON17:00
    23°F
    Chance Snow Showers And Patchy Blowing Snow
    Dewpoint:-9.4°Precip:39%Humidity:72%Wind:20 mph NW
    MON18:00
    22°F
    Chance Snow Showers And Patchy Blowing Snow
    Dewpoint:-10°Precip:27%Humidity:73%Wind:20 mph WNW
    TUE19:00
    20°F
    Patchy Blowing Snow
    Dewpoint:-10°Precip:23%Humidity:75%Wind:15 mph WNW
    TUE20:00
    19°F
    Patchy Blowing Snow
    Dewpoint:-11.1°Precip:20%Humidity:75%Wind:15 mph NW
    TUE21:00
    18°F
    Patchy Blowing Snow
    Dewpoint:-11.7°Precip:20%Humidity:75%Wind:15 mph NW
    TUE22:00
    16°F
    Slight Chance Snow Showers
    Dewpoint:-12.2°Precip:19%Humidity:75%Wind:15 mph NW
    TUE23:00
    15°F
    Slight Chance Snow Showers
    Dewpoint:-12.8°Precip:18%Humidity:76%Wind:15 mph NW
    TUE00:00
    13°F
    Slight Chance Snow Showers
    Dewpoint:-13.9°Precip:16%Humidity:76%Wind:15 mph WNW
    TUE01:00
    12°F
    Slight Chance Snow Showers
    Dewpoint:-14.4°Precip:15%Humidity:76%Wind:15 mph WNW
    TUE02:00
    10°F
    Mostly Cloudy
    Dewpoint:-15°Precip:10%Humidity:78%Wind:15 mph WNW
    TUE03:00
    9°F
    Mostly Cloudy
    Dewpoint:-15.6°Precip:6%Humidity:81%Wind:15 mph WNW
    TUE04:00
    8°F
    Mostly Cloudy
    Dewpoint:-15.6°Precip:1%Humidity:82%Wind:10 mph WNW
    TUE05:00
    7°F
    Partly Cloudy
    Dewpoint:-16.1°Precip:1%Humidity:82%Wind:10 mph WNW
    TUE06:00
    7°F
    Mostly Sunny
    Dewpoint:-16.7°Precip:0%Humidity:80%Wind:10 mph WNW
    TUE07:00
    6°F
    Sunny
    Dewpoint:-17.2°Precip:0%Humidity:78%Wind:10 mph WNW
    TUE08:00
    9°F
    Sunny
    Dewpoint:-16.7°Precip:0%Humidity:72%Wind:10 mph WNW
    TUE09:00
    11°F
    Sunny
    Dewpoint:-16.1°Precip:0%Humidity:71%Wind:10 mph WNW
    TUE10:00
    13°F
    Sunny
    Dewpoint:-15°Precip:0%Humidity:71%Wind:10 mph WNW
    TUE11:00
    15°F
    Sunny
    Dewpoint:-14.4°Precip:0%Humidity:68%Wind:10 mph WNW
    TUE12:00
    17°F
    Mostly Sunny
    Dewpoint:-13.9°Precip:0%Humidity:64%Wind:10 mph WNW
    TUE13:00
    19°F
    Partly Sunny
    Dewpoint:-13.3°Precip:0%Humidity:62%Wind:10 mph W
    TUE14:00
    20°F
    Partly Sunny
    Dewpoint:-13.3°Precip:0%Humidity:61%Wind:10 mph W

    Extended Forecast

    Tonight

    Mon, Mar 16
    6°F
    Chance Snow Showers And Patchy Blowing Snow then Patchy Blowing Snow
    10 mph WNW
    Precipitation: 27%
    A chance of snow showers and patchy blowing snow before 7pm, then patchy blowing snow and a slight chance of snow showers between 7pm and 2am. Mostly cloudy, with a low around 6. Wind chill values as low as -8. West northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.

    Tuesday

    Tue, Mar 17
    22°F
    Mostly Sunny
    10 mph W
    Precipitation: 0%
    Mostly sunny, with a high near 22. Wind chill values as low as -8. West wind around 10 mph, with gusts as high as 20 mph.

    Tuesday Night

    Tue, Mar 17
    18°F
    Snow
    5 mph SSW
    Precipitation: 86%
    Snow after 7pm. Cloudy, with a low around 18. South southwest wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Wednesday

    Wed, Mar 18
    40°F
    Snow then Mostly Cloudy
    5 mph SSW
    Precipitation: 85%
    Snow before 7am. Mostly cloudy, with a high near 40. South southwest wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible.

    Wednesday Night

    Wed, Mar 18
    31°F
    Mostly Cloudy
    5 mph WSW
    Precipitation: 13%
    Mostly cloudy, with a low around 31.

    Thursday

    Thu, Mar 19
    48°F
    Partly Sunny
    5 mph W
    Precipitation: 13%
    Partly sunny, with a high near 48.

    Thursday Night

    Thu, Mar 19
    34°F
    Mostly Cloudy
    5 mph NNW
    Precipitation: 2%
    Mostly cloudy, with a low around 34.

    Friday

    Fri, Mar 20
    54°F
    Mostly Cloudy
    5 mph WSW
    Precipitation: 2%
    Mostly cloudy, with a high near 54.

    Friday Night

    Fri, Mar 20
    37°F
    Mostly Cloudy
    10 mph WSW
    Precipitation: 5%
    Mostly cloudy, with a low around 37.

    Saturday

    Sat, Mar 21
    57°F
    Partly Sunny
    10 mph WSW
    Precipitation: 5%
    Partly sunny, with a high near 57.

    Saturday Night

    Sat, Mar 21
    36°F
    Mostly Cloudy
    10 mph NW
    Precipitation: 10%
    Mostly cloudy, with a low around 36.

    Sunday

    Sun, Mar 22
    52°F
    Partly Sunny
    10 mph NNW
    Precipitation: 10%
    Partly sunny, with a high near 52.

    Sunday Night

    Sun, Mar 22
    27°F
    Mostly Cloudy
    10 mph N
    Precipitation: 3%
    Mostly cloudy, with a low around 27.

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