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Chicago to Warm Into the 50s Midweek Before Late-Week Rain and a Cooler Weekend

A zonal west-to-east pattern is keeping Arctic air north of the Great Lakes.

Overview

  • National Weather Service forecasts highs near 54 degrees on Wednesday and Thursday, with Tuesday potentially reaching 50, according to meteorologist Casey Sullivan.
  • This week's highs are about 20 degrees above the typical early-January high of around 32 degrees.
  • Light drizzle and patchy fog are possible late Monday into Tuesday morning, with more substantial precipitation favored later in the week.
  • A low-pressure system Thursday into Friday is expected to bring rain, with a brief wintry mix possible Friday night, though details remain uncertain.
  • Temperatures are projected to fall back into the 20s and 30s next weekend after the short-lived warm-up.