SIOUX CITY | After four straight days of sub-zero temperatures, thermometers in Sioux City finally crept to one degree about 9:30 a.m. Tuesday.
The temperature quickly rose another 10 degrees within the passage of 120 more minutes.
The long cold spell didn't exactly completely end, as the Tuesday high was still below the historic average for Jan. 2. But after more than 80 consecutive hours with temperatures below zero in Sioux City, the eventual daytime high temperature of 20 degrees seemed relatively balmy compared to the period that began late Friday.
A lot of people stayed put, in spite of the New Year's Eve and Day holidays. Siouxland restaurants noticed a drop-off of patrons for the Sunday lunchtime and some Northwest Iowa churches did not hold services.
The Sioux and Ida county sheriff offices were among those in the region who warned people over the long weekend to be smart in travel decisions during the very cold period.
Jeff Chapman, a meteorologist with the National Weather Service in Sioux Falls, said Tuesday conditions were considerably above the frigid temperatures of New Year's weekend.
"Very strong warm-up to where we've been in the last several days," Chapman said.
Yet while the temperatures rebounded Tuesday, they will slump as another Arctic front moves in. Still, temperatures won't be nearly as cold as they were over the weekend.
Highs on Wednesday and Thursday will be about 11 degrees in Sioux City, according to the forecast. On Thursday morning, the low temperature will be about seven degrees below zero.
More seasonable daytime highs will follow on Saturday and Sunday, when the forecast highs are 24 degrees and 33 degrees.
-- Mason Dockter contributed to this article.