A very mild week is in store over the central US. The upper level flow pattern will become zonal (west to east) over the next few days which will bring mild Pacific air eastward. By the end of the week the flow will actually become southwest to northeast which means the week will actually warm as we head to next weekend. The graphic shows the ECMWF model forecast at 18000 feet valid Friday evening.
For the Chicago metro area the weather word this week will be "mild." Today, Sunday, will be seasonal with a high in the lower 30s. This after a quick moving upper level disturbance produced some very light snow over the area on Saturday. Amounts were generally 1/2 inch or less, details here. With the warm weather this week, Chicago is about to set new all time records for the latest one inch snowfall. Snow records go back to 1871 so to break these records is extremely impressive. The complete record list can be found here.
The warming will really start to kick in on Monday. Our normal high is now 31. The Monday high will be in the upper 30s. From Tuesday on we will have highs in the 40s. By Thursday or Friday the high will be around 50. Highs actually in the 50s are possible for Saturday, or even Friday if the model forecast verifies. That would be 20+ degrees above normal. Loving it. Hopefully the warm air will be accompanied by some rain as the drought continues.
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