Salt Lake City’s official temperature of 14 degrees at 3:37 a.m. Wednesday set a record low for Oct. 30 and for the month of October.

The National Weather Service’s office in Utah’s most populous city says the previous record was 16 degrees on Oct. 30, 1971. The office says its records date back to 1874. Visit the Salt Lake Tribune’s weather page for the forecast.

The National Weather Service on Monday had predicted record-low temperatures were coming for Utah.

Nighttime temperatures in the teens will continue on Halloween night, with a forecast low of 15 degrees in Salt Lake City. A slow warmup begins Friday, with daytime highs in the Salt Lake Valley reaching the low 40s — about 10 degrees warmer than Thursday.

Here’s a look at how temperatures dropped in the middle of the night, and remain cold throughout the morning: