SIOUX CITY (KTIV) - Tuesday was warm, but shy of the heat expected. Highs topped out in the middle 80s with partly cloudy skies and lots of humidity. Dew points were in the middle 70s. The heat will surge as we end the work week.

Tonight

Partly cloudy skies with a slight chance of a rain shower or garden-variety thunderstorm. Southeast winds at 5 to 15 mph. Overnight lows around 70 degrees.

Tomorrow

Hot and humid. Highs near 90. A Heat Advisory is in effect until 8pm with heat index values up to 105 degrees. Partly cloudy with a small chance of a stray shower. South winds from 10 to 20 mph.

Tomorrow Night

Mostly cloudy with a few isolated thunderstorms possible. A Marginal Risk for severe weather. Overnight lows near 70.

Weekend Forecast

A weak cold front arrives early Saturday bri

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