Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
328 AM CST Fri Nov 21 2025

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328 AM CST Fri Nov 21 2025

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...Today and tonight.

Patchy dense fog has developed across the region this morning.
Visibility may fall to less than a mile at times. The lowest
visibilities are mostly confined to low laying areas and river
valleys, west of the James River, and in northwestern Iowa. Be
prepared for rapidly changing visibility conditions.

In addition, widespread temperatures below freezing could result in
areas of freezing fog. This could result in slippery spots on
sidewalks and roadways. Fog should burn off by mid-morning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

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