SIOUX CITY (KTIV) - A cold front blew through early Friday morning, but temperatures really won’t fall until Saturday. On Sunday, both a warm and cold front will swing through bringing some weather whiplash by next week.

THIS AFTERNOON

Sunny and comfortable on Friday with highs in the middle 70s. Calm northerly winds 5 to 10 mph.

TONIGHT

Increasing clouds on Friday night with a small chance of a stray late-night shower, mainly west of I-29. Overnight lows in the middle 40s. Northeasterly winds 5 to 10 mph.

TOMORROW

Cloudy and breezy on Saturday with a slight chance of isolated showers. Highs in the low 70s. Southeasterly winds 15 to 25 mph.

SUNDAY

A warm front will move through in the morning, quickly followed by a cold front by the evening. Sunday will be warmer and breezy with a

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