5 January 2025
Harsh winter returns to a large swath of the U.S. today through Tuesday, 5-7 January. From Kansas to Delaware, encompassing the Ohio River end to end, 14 states have Winter Storm Warnings including the southern tier of Pennsylvania.
For Pittsburgh it means snow, maybe 3.9 inches. According to NWS Pittsburgh’s Snow and Ice Potential Forecasts this morning — graphic updated on Mon 6 January at 5:01am:
After it snows low temperatures here will drop into the teens and single digits, 18°F to 9°F on Tuesday through Friday. This will be low enough to form ice on the Allegheny River as it did seven years ago when ice floes lured the Tarentum peregrines to land on the river. For a trip down memory lane see this vintage article.
Meanwhile if you’re going to spend time outdoors, today is the day to do it. Expect the grocery store to run out of bread, milk and toilet paper.