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Poor Air Quality & Still Cold

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WEATHER DISCUSSION

A high pressure ridge continues to bring quiet weather, just cold conditions to the forecast area. Another single digit and subzero morning has come to an end and well below normal high temperatures are in the forecast today. Highs will struggle to warm into the 30’s across West Side Valleys, while they only climb into the 20’s across the Klamath Basin.

Cloud cover will start off partly sunny across the region, increasing to mostly cloudy skies by midday. Any wet weather associated with this disturbance will remain off to our north, and by late afternoon and early evening clearing skies are anticipated.

Temperatures will gradually be improving in the afternoons through the remainder of the week. By Thursday & Friday, highs will be back into the 40’s across the valleys. With overnight temperatures staying near or below freezing, any melting that takes place over untreated roads through the afternoons will continue to refreeze at night.

Thursday afternoon & evening a weak front will move through Southern Oregon. This will bring rain and/or freezing rain to areas west & east of the Cascades. The best chance for freezing rain right now will be across the East Side, but with strong inversions building overnight in the Valley, cold air is being trapped at the surface and this may support freezing rain for the West Side as well.

Showers will come to an end Friday morning, but mostly cloudy conditions are expected into the weekend with the storm track staying just to our north. Also, because air is being trapped near the surface an air stagnation advisory remains in place for Southern Oregon through Thursday afternoon. Earlier this morning Klamath Falls & Lakeview both were reading unhealthy.

 

Meteorologist Alyssa Caroprese

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