Conditions are coming together for a major winter storm to impact the eastern half of the United States late this week into this weekend, bringing extreme cold, snow, sleet, and freezing rain across a large swath of the country. | NOAA NWS Weather Prediction Center

The NWS is warning Chicago-area drivers that travel could become "dangerous within minutes" amid strong bursts of snow this morning. Commuters reported deteriorating road conditions as a snow squall warning was issued in the area, with gusty snow showers, "rapidly falling visibility" and winds up to 50 miles per hour.⁠ ⁠ Videos and photos from the suburbs to the city captured the scene, with grey, blurry skies, low visibility, near whiteout conditions and heavy blowing snowflakes.⁠ ⁠⁠ #chicago #

A video update with Shawn Dahl, SWPC Service Coordinator, on CME progression & how we analyze & interpret geomagnetic storm activity and solar wind environment; with info about what to look for tonight regarding aurora chances. Stay space weather aware at spaceweather.gov | NOAA NWS Space Weather Prediction Center