Quick round of snow coming to central Indiana Sunday followed by coldest air in 60 years

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A quick moving weather system will bring a round of snow to central Indiana Sunday.  The energy for the “storm” is located in southern Utah/southwestern Colorado as of Saturday evening.  It will quickly move east, arriving over Indiana Sunday afternoon.

Snow will start to move in to the southwest corner of the CBS4 viewing area after sunrise Sunday morning.  The snow will continue spreading to the northeast through the morning.

Computer model projection of radar imagery at 10am Sunday.

The latest data suggests snow could start falling in the Indianapolis metro after 9am Sunday.  Moderate snow showers will be possible along and south of State Road 46 late Sunday morning.

Computer model projection of radar imagery at 3pm Sunday.

As we move in to the afternoon the snow showers should start to be not as widespread across central Indiana.  That being said, a few snow bands may be possible during the afternoon.

The snow showers will begin to taper off after 5pm and that will continue in to the early evening.  Expect the majority of snow showers to be out of central Indiana by 9pm Sunday.

Computer model projection of radar imagery at 7pm Sunday.

We are not expecting a large amount of snow out of this system.  There is not a lot of moisture available to produce snow.  On average, there is about 0.08″ of liquid available.

Projected snow accumulation through Sunday evening.

For any given location around central Indiana computer models suggest around 1″ to 1.1″ through Sunday evening.  When I look at a suite of computer model data from 32-computer models, the average snow accumulation for Indianapolis is 0.9″.  Here is what the 32-computer model average suggests for other locations around central Indiana:

  • Bloomington: 1.5″
  • Columbus: 1.2″
  • Lafayette: 1.0″
  • Muncie: 0.9″
  • Richmond: 1.0″
  • Terre Haute: 1.1″

All totaled, this does not look to be a significant snow for central Indiana.  It could cause untreated roads to be slick at times, especially Sunday afternoon.


Cold air is on the move from Canada in to the United States.  Temperatures have fallen in to the single digits and even below zero from Minnesota to Montana Saturday evening.

Cold air is on the move out of Canada.

The cold air will continue to move southeast in to the Midwest over the next 24 hours and will hold up over the region until later in the week.

Forecast low temperatures Monday morning.

Low temperatures are forecast to drop in to the single digits in much of central Indiana Monday morning.  Factor in the wind and wind chill values could be -5° to -15°.  Bottom line, it is going to be cold for several days early in March.  So much so, assuming our forecast verifies, this will be the coldest March 4th through March 6th in 59 years.  It will also be the second coldest March 4-6 on record (since 1870’s).

I don’t know about you, but I’m fine if my forecast doesn’t verify this week!

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