Extreme Cold/Wind Chill — South Sioux, Nebraska

2026-01-25 to 2026-01-26 · South Sioux, Nebraska

Event narrative

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.

Wider weather episode

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_id 1310930. Narrative written by the NWS forecast office that issued the report.