Monday, December 27, 2010

The Will be Some Freezing Fog Overnight... The Question is.. How Dense?

A cold ridge of Canadian high pressure will be sitting right over the Stateline tonight. Dew points are in the middle single digits early and skies are clear at sunset. That will allow the temperatures to fall fairly quickly this evening and reach, or nearly reach those dew points  by mid evening. Freezing fog will develop across northern Illinois and southern Wisconsin with the possibility that it would be locally dense in most favored rural areas in low spots and next to streams. The fog will last into the early morning hours past sunrise, and then slowly evaporate. On Tuesday skies will be partly cloudy and the high temperature will be in the middle 20's. Freezing fog will again be a possiblilty overnight on Tuesday night. On Wednesday it will be partly cloudy, but clouds will increase by late afternoon as a moist southerly flow increases across the midwest. There may be some freezing rain overnight on Wednesday night along with more fog. Thursday will be a cloudy foggy gloomy day with light rain and drizzle. On Friday there will be a surge of warmer air and moisture ahead of a cold front sweeping in from the plains. It will still be foggy with more rain showers. There could even be some isolated thunderstorms in the afternoon and evening. New Years Eve will not be the nicest we have ever seen.  Rain in the evening will change to light snow overnight.  New Years Day will be windy and colder with the possibilty of some snow flurries.
By Meteorologist
Eric Nefstead

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