The featured chart presents the daily high temperature departure from average for Sioux City for each day this year. The calculated departure on Thursday was just over 30°F above average and made for the ninth such day this year of at least 30°F. The chart nicely shows how dominant the warm weather has been since the start of February with only a few brief periods below average. Even warmer weather is expected today and on Saturday before slightly cooler weather arrives early next week, but still above average.

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Tags:   2026