Extreme Cold/Wind Chill in South Sioux, Nebraska

Extreme Cold/Wind Chill January 25, 2026 – January 26, 2026 · South Sioux, Nebraska

What the National Weather Service wrote

Overnight low temperatures ranged from -20 F to -25 F across southern Sioux County from 1/25 into 1/26. The combination of cold temperatures and gusty winds resulted in a period of extreme wind chills under -30 F. Minimum observed wind chill values reached -41 F at the Agate Fossil Beds RAWS sensor (2 ENE Agate) at 1:13 AM MST on 1/26.

The wider storm

A strong arctic front brought prolonged frigid temperatures to western Nebraska Sunday, January 25 through the morning of Monday, January 26. The coldest temperatures occurred Sunday night.

Source: NOAA Storm Events Database, event 1310930. Narratives are written by the National Weather Service forecast office that issued the report.

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