Illinois — A hazardous weather outlook for portions of North Central Illinois, Northwest Illinois, West Central Illinois, East Central Iowa, Northeast Iowa, Southeast Iowa and Northeast Missouri has been issued by the National Weather Service out of the Quad Cities.
DAY ONE TODAY AND TONIGHT
Periods of rain with embedded thunderstorms are possible. Limited instability will keep any storms below severe levels. Rain amounts will be light to locally moderate with no significant water issues expected. Patchy to areas of fog will be possible with visibilities below a mile at times.
There is a risk of freezing rain late tonight northwest of a Manchester to Belle Plaine, Iowa line. Ice accumulations of up to 0.2 inches are possible. A winter weather advisory is in effect for that area.
DAYS TWO THROUGH SEVEN TUESDAY THROUGH SUNDAY
A freezing rain risk will continue Tuesday morning northwest of a Manchester to Belle Plaine, Iowa line.
Locally heavy rainfall is possible on Tuesday. The area most at risk is along and east of the Mississippi river.
Tuesday afternoon and night rain will change to snow and end from northwest to southeast. A period of freezing rain or sleet is expected during the transition to snow.
National Weather Service Quad Cities IA IL
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There is also a Dense Fog Advisory in effect until 10 am CST on Tuesday.
Warm, moist air associated with a slow moving storm system will keep dense fog in place over portions of eastern Iowa and far northwest Illinois this afternoon through Tuesday morning. While some areas may see improving conditions for a period this afternoon, fog is expected to reform and become dense again this evening.
Delaware-Dubuque-Linn-Jones-Jackson-Jo Daviess-Stephenson-Carroll-Including the cities of Manchester, Dubuque, Cedar Rapids, Anamosa, Maquoketa, Galena, Freeport, and Mount Carroll.
The National Weather Service in Quad Cities has issued a Dense Fog Advisory, which is in effect until 10 AM CST Tuesday.
* Visibilities…Less than one quarter mile.
* Timing…This afternoon until 10 am Tuesday morning.
* Impacts…Poor visibility will create hazardous travel conditions.
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.