Clear skies and bitter cold temps overnight. Dangerous wind chills. Winds: W 5-10 mph. Lows near zero. Wind chills zero to (-10).
Full forecast details and more at the WGN Weather Center blog
Tuesday Forecast: Sunny and not as cold. Winds: SW 5-10 mph. High 29.
Extended outlook calls for temps to get into the mid to upper 30s for Wed/Thu with lots of winter sunshine. More clouds on Friday with a chance of evening precipitation. Most likely a rain/snow mix. Saturday precipitation looks like some light snow. Sunnier on Sunday.