Dense Fog Advisory:

Issued at: 11:41 PM CST on December 20, 2014, expires at: 9:00 AM CST on December 21, 2014
  • ...Dense fog advisory in effect until 9 am CST Sunday... The National Weather Service in La Crosse has issued a dense fog advisory...which is in effect until 9 am CST Sunday.
  • Plan on visibilities of 1/4 mile or less across much of northeast Iowa to spread into southeast Minnesota by 3 am. The dense fog will then begin to dissipate around 9 am.
  • Icing is possible on untreated roads and bridges.
  • Travel is more difficult in fog at night. Slow down and allow extra time to reach your destination...especially given the potential for icy spots. Precautionary/preparedness actions... A dense fog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving...slow down... use your headlights...and leave plenty of distance ahead of you. Aj

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