Waterloo came close to a record high temperature. Other locations were warm but several degrees from a record.
We had a couple of warm days to start 2019. Normal high this time of year is 27. So far Waterloo had two days of 40+ temperatures. They were 42 and 48. The forecast shows high temperatures above 40 a few more times in the next seven days.
I checked back at the high temperatures at Waterloo in January last year and here is what I found. January 2018 had 6 days with the high temperature of 40 degrees or warmer. Of those 6, two of them were 50°+.
The chart below shows the number of days with the high of 40+ in January at Waterloo for the past years.