Chicago set a record high temperature Monday at O'Hare Airport, and with temperatures still rising it's not clear where the new record will stand, according to the National Weather Service. 

It's the fourth day in a row the city has seen record-high temperatures. 

Friday's record of 67 beat the old high of 60 in 1880. Saturday was 70, which beat a record of 62 from 1981. Sunday saw a high of 69, which overtook a high of 65 from 1930. 

The city also tied a February record for longest stretch of 60 degree or higher days in February with four.

If the city sees 60 tomorrow, it would tie one record — for longest stretch of 60-degree days during winter — and set another — for longest stretch reaching 60 in February.  

The winter record was from Dec. 2 to Dec. 6 of 1998. The record for February is from 1976.

The record-breaking warmth is expected to last through Wednesday, with temperatures declining Thursday, with thunderstorms possible in the evening. Strong thunderstorms are possible Friday, possibly changing to snow overnight into Saturday, when highs are expected to be only in the mid-30s.

Check the Tribune's weather page for more.

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