Cool off is brief, one more warm surge then real fall chill arrives

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Saturday afternoon temps forecast to remain below 60°.

TUESDAY COOL DOWN

Welcome back to September – we’ve cooled in the wake of an early AM front. Temperatures have dipped back to more seasonal levels and the 80 degree streak ends. But there is a large north to south spread in the afternoon temperatures. Still bear 80 downstate at 4pm.

large north to south temps spread Tuesday

large north to south temps spread Tuesday

24 hour temp change

24 hour temp change

A chilly night on the way with clearing skies and lows dipping back into the middle 40s well away from the city.

RAIN ON THE WAY

The dry spell reaches day 9 but rain is coming by Thursday afternoon.  The average off several rainfall bearing computer models  churns out .75″ of rain for #Indianapolis.  Showers will peak Thursday night into Friday morning with a possible lull Friday afternoon.  At this distance it looks like a fresh batch of rain could develop for Friday night football.  It is still early and we will fine tune through the week.

Rain arrives Thursday PM

Rain arrives Thursday PM

OCTOBER ARRIVES

October to open sunny and milder – with a new surge of warm air expected here on Thursday.  The same front that passed Tuesday morning returns as a warm front late Wednesday night.

We make a new run at 80 degree temps Thursday area-wide before rain and thunder showers arrive.

All indications point to a real chilly pattern taking hold starting this weekend.  Current thinking is that the cool spell will hold through the 12th of the month.  Some warming would then occur.

OCTOBER OUTLOOK

Here is the latest 30 day outlook for October.  Equal chance of below or above normal temps and better chances of above normal precipitation.

October temp outlook

October temp outlook

October precip outlook

October precip outlook

CHILLY CHANGE COMING

The late week front Friday will drive the coolest weather we’ve had here since mid May and bring on a real Fall chill.

Saturday afternoon may feel more like mid November in what appears to be a rather large-scale pattern change. More later tonight.

Saturday afternoon temps forecast to remain below 60°.

Saturday afternoon temps forecast to remain below 60°.