winterstormwarning.com

Winter Weather Advisory, Iowa

Moderate

Gusts up to 50 mph. The hazardous conditions could impact the Wednesday evening commute.

Ended Wednesday, January 21, 2026.

Replaced by the Blizzard Warning on Wednesday, January 21, 10:26 in the morning.

Issued
Expires
Updated

Places in this advisory

How much

Wind gusts
Up to 50 mph Blowing snow on open roads

Map

Map of Iowa with this advisory The Winter Weather Advisory covers Waterloo, Cedar Falls, Mason City. I-380I-35I-90US 30WaterlooCedar FallsMason CityFort DodgeWaverlyIOWAMINNESOTA25 mi I-380I-35I-90US 30WaterlooCedar FallsMason CityFort DodgeIOWAMINNESOTA50 mi I-35I-90US 30WaterlooMason CityIOWAMINNESOTA50 mi I-35I-90WaterlooMason CityIOWAMINNESOTA50 mi
  • This advisory
  • Interstates
  • US highways
Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Winds gusting as high as 50 mph leading to blowing snow.
Where
Hamilton, Hardin, Tama, Webster, and Calhoun Counties.
When
Until 8 in the evening this evening.
Impacts
The hazardous conditions could impact the Wednesday evening commute. Gusty winds could bring down tree branches.

Updates

  1. Allowed to end on time. January 21, 2026
  2. Now ends earlier, at Wednesday, 8 in the evening. Area expanded. January 21, 2026
  3. Reissued with no change to the times or amounts. January 21, 2026
  4. Area expanded. January 21, 2026
  5. Winter Weather Advisory issued for Wednesday morning through Wednesday night. January 21, 2026