National Weather Service United States Department of Commerce

As system moves offshore in the east, snow develops across parts of western, southern U.S.

The system that has been bringing a mix of wintry precipitation to the Southeast and mid-Atlantic will continue to move off shore over the Atlantic on Thursday, with snow continuing from the Ohio Valley, southern Great Lakes and Appalachians through Thursday evening. Meanwhile, snow will develop over the central and southern Rockies, with rain and mountain snow across the Pacific Northwest.
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Current Conditions

Cook County

Zone Forecast

  • Tonight Clearing. Lows 3 to 7 below in the suburbs...but 3 below to 1 above zero downtown. Wind chills as low as 15 below to 25 below zero. Northwest winds 10 to 15 mph.
  • Friday Mostly sunny. Highs 14 to 18. Lowest wind chill readings 15 below to 25 below zero in the morning. West winds 5 to 10 mph.
  • Friday Night Mostly clear. Lows 1 to 5 below in the suburbs... But 1 below to 3 above zero downtown. Wind chills as low as 10 below to 20 below zero. West winds 5 to 10 mph.
  • Saturday Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 20s. Lowest wind chill readings 10 below to 20 below zero in the morning. South winds 5 to 10 mph.
  • Saturday Night Snow likely. Some snow accumulation possible. Lows 13 to 17. South winds 10 to 15 mph. Chance of precipitation 70 percent.
  • Sunday Snow likely. Some snow accumulation possible. Highs in the upper 20s. Chance of precipitation 60 percent.
  • Sunday Night Partly cloudy. Lows 11 to 15.
  • Monday Partly sunny. Highs in the upper 20s.
  • Monday Night Cloudy with a 50 percent chance of light freezing rain...light snow and light sleet. Lows in the mid 20s.
  • Tuesday Light rain likely. Highs in the upper 30s. Chance of precipitation 70 percent.
  • Tuesday Night Mostly cloudy with a 30 percent chance of light snow. Lows in the mid 20s.
  • Wednesday And Wednesday Night Mostly cloudy. Highs in the upper 20s. Lows 9 to 13 above.
  • Thursday Partly sunny. Highs in the lower 20s.