• Dense Fog Advisory for Cass County, Illinois
  • Dense Fog Advisory issued August 16 at 3:20AM CDT until August 16 at 9:00AM CDT by NWS
  • Effective: Thursday, August 16, 2018 at 4 a.m.
  • Expires: Thursday, August 16, 2018 at 9 a.m.
  • ...Dense Fog Advisory This Morning for West Central Illinois...
    .Widespread dense fog is expected to expand eastward into the
    Illinois River Valley early this morning thanks to the combination
    of light winds, clear skies and abundant moisture in the low
    levels of the atmosphere. The fog will gradually dissipate by
    mid-morning, but before that happens, motorists are urged to
    use extreme caution on area roadways and be prepared for rapid
    fluctuations in visibilities.
    ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...
    The National Weather Service in Lincoln has issued a Dense Fog
    Advisory, which is in effect until 9 AM CDT this morning.
    * VISIBILITY...One quarter mile or less
    * TIMING...Gradually dissipating between 8 and 9 am.
    * IMPACTS...Rapid fluctuations in visibilities with areas along
    river valleys and in low lying areas most susceptible to the
    dense fog.