AUSTIN (KXAN) -- Sunday was hot and humid with high temperatures in the mid to upper 90s.

Tonight, temperatures will cool to the 60s and 70s with increasing clouds and calm winds. A rare shower or storm is possible early.

Tomorrow will be partly cloudy with high temperatures in the 90s.

Rain chances are minimal. Southerly flow will continue to pump in excessive humidity, with afternoon heat indices near 99°-103°.

High pressure ridging boosts temperatures to near or at triple-digits on Tuesday . We've had 21 triple-digit days so far this year in Austin.

A cold front is forecast to arrive mid-week, cooling high temperatures and bringing rain chances starting Tuesday night into Wednesday.

There is a level 1/4 flood threat for portions of the KXAN viewing area on Wednesday. Stay weather

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