Represented-city comparison

Temperature forecast accuracy in Illinois

The station record serving Chicago had a 2.1°F typical miss on forecast day 1 and 4.8°F on day 7. It is one local station record, not a statewide average.

See Illinois on the U.S. map

Raw NBM temperature guidance, 2024–2026

Represented cities1

Day-1 typical miss2.1°F

Day-7 typical miss4.8°F

National archive average3.5°FAcross days 1, 3, 5, and 7

Local records

Compare Illinois cities

National report

CityDay 1Day 7All displayed leads

ChicagoMDW station2.1°F4.8°F3.3°F

These are represented-city station results, not a spatial average for every part of Illinois. Select a city for separate highs, lows, months, and station distance.