Chicago Forecast Models Compared – ECMWF, GFS, ICON, JMA

Verified accuracy

Not enough data to publish yet. At least 14 verified days are needed.

Every day the system stores the forecast it issued, then checks it against observed data. These numbers are the result of that check, not a marketing claim.

Common questions

Will it rain in Chicago today?
Yes. Rain is expected around 14:00–20:00, totalling roughly 2.3 mm.
How hot is it in Chicago today?
Between 5°C and 10°C, with a felt maximum of 8°C.
What is the weather in Chicago tomorrow?
Tomorrow: overcast, 3–9°C, with a 64% chance of rain.

Chicago