Cold front brings cooler temps, strong winds to Siouxland

Temperatures drop into the 40s and 50s after a warm Thursday

Apr. 17, 2026 at 11:04am

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A sweeping, atmospheric landscape painting in muted tones of gray, blue, and white, capturing the ominous approach of a cold front over the Siouxland region, with heavy clouds obscuring the horizon and a sense of the overwhelming scale of the natural forces at play.As a powerful cold front sweeps across the Siouxland region, the dramatic shift in weather conditions foreshadows a dramatic change in temperature and wind.Sioux City Today

A cold front will move through the Siouxland region on Friday, bringing much cooler temperatures, strong wind gusts up to 40 mph, and a chance of light showers in northern areas. Temperatures will drop behind the front, with highs only reaching the 50s and lows in the 20s overnight. The cool, windy weather is expected to continue into the weekend.

Why it matters

Sudden shifts in weather patterns can significantly impact daily life, from transportation and outdoor activities to energy usage and public safety. This cold front represents a dramatic change from the summer-like conditions the region experienced just a day earlier.

The details

The cold front is expected to move through the area around 8 AM, with the coolest temperatures and strongest winds arriving by noon. A few light showers are possible in northern Siouxland during the morning hours, but rainfall totals should only reach a tenth to two tenths of an inch. There is also a low risk of severe thunderstorms in eastern parts of the region, with the main threats being hail and strong winds.

  • The cold front will move across I-29 around 8 AM.
  • The front is expected to reach eastern Siouxland by noon.
  • Temperatures will drop into the 40s and 50s behind the front.
  • Overnight lows will fall into the 20s with wind chills in the teens.
  • The cool, windy weather is forecast to continue through the weekend.

The players

Siouxland

The regional area surrounding Sioux City, Iowa, which includes parts of Iowa, Nebraska, and South Dakota.

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The takeaway

This cold front serves as a reminder that Siouxland's weather can change rapidly, even in the spring. Residents should be prepared for a significant drop in temperatures and strong winds that could impact daily activities and travel plans.