Some changes have occurred since this morning that have prompted me to change the forecast for tonight and tomorrow.
SUMMARY: The big one is that the lake effect snow that has basically tapered down to almost nothing in some parts of the area will re-intensify as the evening wears on, prompting the National Weather Service to issue a Lake-effect Snow Advisory. Winds have a bit of a WSW cant to them right now, keeping us fairly snow free. I expect the winds to turn more due west and increase tonight, as does the NWS, thus pushing the snow bands more directly at us. Temperatures in the teens will drop down to between 4 and 8 above, wind chills will be in the -10 to -15 range. Tomorrow, we do see temperatures climb just a bit, and we should see a 19-22 degree high in Jackson. I should be able to put together a full six day outlook for you tonight.
SNOW: Our brief break continues until about 4 PM or so, then returning like a bad penny. If the NWS has it right with their advisory, 2-4" of fresh snowfall on top of the 2-3" we have gotten the last 24-36 hours here in the area. More blowing and drifting due to winds gusting to 25 MPH or so, and definite freezing of untreated road surfaces. The NAM forecast model points out an upper disturbance at 700mb, and that's what will bring the winds more westerly and increase them, therefore extending the reach of the lake-effect. After we get through tonight, we see chances of significant snow going way down until Tuesday of next week.
Here's the updated forecast for Jackson:
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