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Dense Fog Advisory — Monona, IA, Harrison, IA, Shelby, IA, Pottawattamie, IA, Mills, IA, Montgomery, IA, Fremont, IA, Page, IA, Knox, NE, Cedar, NE, Thurston, NE, Antelope, NE, Pierce, NE, Wayne, NE, Boone, NE, Madison, NE, Stanton, NE, Cuming, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Butler, NE, Saunders, NE, Douglas, NE, Sarpy, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE
Issued
2:17 AM CDT · Thu, Aug 20 2026
Expires
10:00 AM CDT · Thu, Aug 20 2026
Issuing Office
NWS KOAX

Affected Areas

Monona, IA Harrison, IA Shelby, IA Pottawattamie, IA Mills, IA Montgomery, IA Fremont, IA Page, IA Knox, NE Cedar, NE Thurston, NE Antelope, NE Pierce, NE Wayne, NE Boone, NE Madison, NE Stanton, NE Cuming, NE Burt, NE Platte, NE Colfax, NE Dodge, NE Washington, NE Butler, NE Saunders, NE Douglas, NE Sarpy, NE Seward, NE Lancaster, NE Cass, NE Otoe, NE Saline, NE Jefferson, NE Gage, NE Johnson, NE Nemaha, NE Pawnee, NE Richardson, NE

Official Bulletin

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of southwest and west central Iowa and east
central, northeast, and southeast Nebraska.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.