Issued: Monday, January 4, 2010 Covering: January 6 –January 13

Arctic high pressure will be the main weather maker for this forecast period, which will result in mostly clear skies and cold temperatures – at least for a while.

Another strong arctic high will be pushing southward during this forecast period and should be over our region on Thursday and Friday. The good news is that this high does not look like it will be as cold as the one that moved in around New Year’s. As the high begins to push in, an area of low pressure will be sliding by to our south. It currently looks as if any snow from this system will be kept well to our south by the high, but there is a chance that southwestern regions could see some light snow Wednesday.

Over the weekend, the Arctic high will continue to drop southward and we will begin to see milder air move in. High temperatures on Saturday and Sunday will moderate to around -10C for highs.

The warming trend looks like it will continue into next week, as high pressure builds to our south and our winds slowly switch from northwesterly to westerly. This should allow mild Pacific air to move into the province, bringing above-average temperatures to most regions. As is typical with this type of weather pattern, western areas will be the mildest, while far eastern regions will be a little cooler. There is a chance we could see some snow by the second half of next week, but confidence in this is not very high.

Usual temperature range for this period: Highs: -22 to -6C. Lows: -33 to -16C.

About the author

Co-operator contributor

Daniel Bezte

Daniel Bezte is a teacher by profession with a BA (Hon.) in geography, specializing in climatology, from the U of W. He operates a computerized weather station near Birds Hill Park.

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