Overview

• Chicago's high temperature on Wednesday reached only 53°F, nearly 20°F below the seasonal average of 72°F.
• A low-pressure system is driving the chilly weather, bringing clouds, rain, and wind that suppress temperatures across the region.
• Temperatures will remain in the 50s through Thursday, with highs improving slightly to the low 60s by Friday, the start of Memorial Day weekend.
• Near-average temperatures of 75-77°F are expected by late May, with long-range forecasts predicting above-average warmth into early June.
• The Climate Prediction Center's three- to four-week outlook anticipates above-average temperatures and slightly above-average precipitation for the Chicago area.