1/19 – The Chief’s “Sunny & Warm” Thursday Afternoon Forecast

With no significant cold advection behind this morning’s cold front, we should mix out deep enough to get temperatures back in the 70s today with much lower humidity than yesterday. The drier air will promote radiative cooling overnight, with lows falling mainly into the 40s, although a few upper 30s might be possible in our normally cooler cold air drainage areas.

A weak disturbance will move across the area on Friday, with upper level clouds returning as early as late morning. A stronger system will be moving out of the southern Rockies by late in the day. The high cloud cover will likely hold high temperatures in the lower to middle 60s, which is actually pretty close to normal for late January. Moisture will increase aloft on Friday, setting up a rainy weekend, starting early Saturday morning. While the main surface low tracks well to the north of the area, a weak secondary low will likely develop along the cold front, holding the warmest air offshore. Rain amounts of 1-2 inches from Saturday morning to Sunday morning would be a reasonable expectation for most areas.

High pressure will again move across the area Sunday into Monday, providing a brief respite from the rain, but another strong system will be already approaching the area Monday night into Tuesday. With such a fast moving upper pattern, we won’t really have sustained periods of warm or cold advection for the weekend and early next week. Temperatures should be relatively close to normal with the determining factor on which side of normal we end up on being determined by cloud cover, or lack thereof.

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