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Both Monday and Tuesday are non-attendance days for Chicago Public Schools students. Wind chills will be -15 to -30 Tuesday ...

Chicago temperatures will steadily drop from mild highs in the 30s this week to dangerous cold by early next week, with highs ...

Higher pressure is usually associated with sunny weather, lower pressure with stormy weather. The temperature to which the air needs to be cooled for moisture to condense, for example, as dew.