Smashing records; wintry change coming soon

Weather Blog
Data pix.

APRIL-LIKE AIR

For the second straight day, we broke the record high temperature for the date. Despite increasing clouds, a south breeze elevated temperatures to late April-levels and smashed a record that has stood for only one year. Monday's record high of 67° surpassed the 2019 record of 62°.  The high Monday was 30-degrees above normal and the normal high for April  25. Some other notable highs included 71-degrees in Columbus and Bloomington and 72° just after 5 p.m. in Bedford.

How rare is this air? On average, we get a 67-degree high or warmer around the first week of March. The earliest was January 1, 1952, while we waited until April 17 in 1881. But what is even more stunning is we checked the record books and found this is only the third time on record that the temperature topped 67° (or warmer) in the first week of February. The last time was 1962 with a high of 67° on February 4. The only other time was also February 4 with a record high for the date of 69°.

COLD TO TAKE HOLD

There is a decided change to colder air coming, and it begins in the pre-dawn hours Tuesday as a wind shifting cold front passes. This will be a slow process as the front settles, not sweeps across the state. The slow moving front will stall, leaving colder air in place as moisture rides north from southern Indiana.

Brace for the colder temperatures and damp conditions out the door Tuesday morning. Things will become more dicey if not icy as the colder air takes hold starting Tuesday night. A period of light freezing rain, sleet and rain is likely to develop as temperatures slip to and below freezing Tuesday evening.

The front is expected to stall and provide the focus for a new wave of moisture to ride in from southern Indiana.  At this time, some ice and snow accumulation could create hazardous travel starting Wednesday evening. I'm posting below the probability of a 1" snowfall and the probability if .10" ice accumulation. We are monitoring trends in timing and intensity and will keep you up to date.

Probability of 1" snowfall ending 7 a.m. Thursday

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