National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

44°F

7°C

Humidity 73%
Wind Speed S 10 mph
Barometer 29.82 in (1010.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 8 Jan 6:51 am CST
Extended Forecast for

Round Lake ILSimilar City Names

  • Today

    Today: Rain, mainly after 3pm. High near 52. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Mostly Cloudy
    then Rain

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then a chance of showers. Low around 41. Breezy, with a southeast wind 15 to 20 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of rain before noon. Partly sunny, with a high near 45. Breezy, with a west wind 15 to 20 mph becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 45 °F

    Chance Rain
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 31. East northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 37. East northeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 37 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Partly sunny, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 3pm. High near 52. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before midnight, then a chance of showers. Low around 41. Breezy, with a southeast wind 15 to 20 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of rain before noon. Partly sunny, with a high near 45. Breezy, with a west wind 15 to 20 mph becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 31. East northeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 37. East northeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake ILSimilar City Names
 42.35°N 88.11°W
Last Update:
5:51 am CST Jan 8, 2026
Forecast Valid:
7am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation