SkyWarn 13 Forecast

Published: Jun. 24, 2020 at 1:59 PM CDT|Updated: 21 minutes ago
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Look for a mostly sunny sky today. A weak cold front will pass through the Chippewa Valley with winds becoming more northwesterly this afternoon. Temperatures will still be mild behind the front with highs reaching the low 40s. With light winds and low level moisture in place we may see some fog develop later tonight. Lows will be in the low to mid 20s.

Though our weather remains mild overall, the warmest air will be delayed from reaching Wisconsin until later in the weekend. The flat, mild flow is expected to buckle with a deepening trough covering Eastern Canada and as far west as the Great Lakes.

Cold to the east and warm to the west this week.
Cold to the east and warm to the west this week.(WEAU)

Along with the surface high, we will be stuck in a bubble outside of the potentially 50 degree weather until this pattern decays. Still, Thursday and Friday are expected to be great days for us. In this “bubble” will also exist a good deal of dry air through the atmosphere, which means we can look forward to a pair of mostly sunny days. One of the things that will begin to have a bigger influence on our weather is the melting snow, and parts of the Chippewa Valley may be looking at bare ground by then. Without a snowpack, the ground warms more efficiently and leads to higher temperatures. Along with the still mild air mass and sunshine, temperatures should manage to reach the low to mid 40′s each day as well. With the quiet and calm conditions, our diurnal range will increase and lows may still drop to near 20 degrees these nights as a result.

Changes in this pattern are not expected to take place until Sunday, so we can expect a similar start to the weekend. Mostly sunny conditions and temperatures reaching the mid 40′s will sum up Saturday’s weather. Also taking place will be slow progress of the ridge as it moves east and the development of an area of low pressure to the northwest. The upper level trough will begin to amplify, but also slip east. This will actually assist in warming the downstream upper air pattern more. By Sunday we will enter into a region of strong ridging in the upper atmosphere and strong southwesterly flow at the surface. It is expected to be a breezy, if not windy day as warm air is carried into the Badger State. Along with a partly sunny sky, Sunday is a good candidate for our first 50 degree day in Eau Claire! Where the pattern evolves from here is fairly uncertain, but it does appear to become increasingly unsettled by next Tuesday or Wednesday as a large storm system works through the Plains and towards the Upper Midwest.

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