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Trempealeau County
Thursday September 11th, 2025 :: 12:31 a.m. CDT

Advisory

Dense Fog Advisory until 09:00AM Thursday

* WHAT...Visibility 1/4 mile or less in dense fog.

* WHERE...Western Wisconsin and parts of southwestern Wisconsin, much of southeast Minnesota, and very far northeast Iowa.

* WHEN...Until 9 AM CDT this morning.

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

* ADDITIONAL DETAILS...The fog is initially developing in the river valleys, but is expected to grow in coverage throughout the rest of the night. Visibilities may vary quickly across short distances and a band of low clouds over central Wisconsin may cause the fog to completely lift at times.

* AFFECTED AREAS: ALLAMAKEE ... WABASHA ... OLMSTED ... WINONA ... FILLMORE ... HOUSTON ... TAYLOR ... CLARK ... BUFFALO ... TREMPEALEAU ... JACKSON ... LA CROSSE ... MONROE ... VERNON ... CRAWFORD ... RICHLAND

Instructions:

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

Address/Location
Trempealeau County
18600 Hobson St
Whitehall, WI 54773

Contact
Emergency: 9-1-1
Non-emergencies: 715-538-4351

Submit an anonymous web tip

Alert Details

Severity:
Moderate - Possible threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Dense Fog Advisory

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