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Utah's May 1 highs remain in the 50s, NWS issues a freeze warning

SALT LAKE CITY – May is starting off colder in Utah this year. Additionally, the National Weather Service has issued a freeze warning for two counties in the Beehive State.

KSL meteorologist Matt Johnson predicted the high temperature on May 1 in Utah's capital city will be 55 degrees Fahrenheit. He said that was about 10 degrees below normal for the day.

However, it's not the coldest first May we've ever seen. On May 1, 1954, only high temperatures of 45 degrees were recorded in Salt Lake City.

While 55 degrees is quite a departure from last week's warm weather, Johnson said these big temperature swings are not uncommon in the spring.

“There's a lot of fluctuation in the month of May, it's a transition month between… spring and summer,” Johnson said. “Sometimes we can get little spurts from leftover winter.”

Given that much of Utah's snowpack has already melted, Johnson called the cooling “good news.”

When the snowpack peaked on April 2, Utah had an average of 18.8 inches of water statewide.

By Wednesday morning there were only 9.5 inches. Based on average data over the last 30 years, this value is only about half an inch above normal for this time of year.

With about half the snowpack already melted, Johnson said, “We need that.” [cold spell] to slow the water flowing down the mountainside.”

Highs are expected to remain in the low 60s for the remainder of the week. However, KSL meteorologists are predicting a high of 77 degrees for Saturday.

Then they predict that the highs will fall again. They said there could be another chance of rain and thunderstorms on Sunday.

Frost warning for two districts

Lower daytime temperatures usually mean colder weather at night. This will happen from Wednesday evening to Thursday morning.

Johnson said temperatures have a chance of falling into the upper 20s.

The National Weather Service has therefore issued a freeze warning from midnight to 9 a.m. for Thursday

While the freeze warning only applies to Box Elder and Utah counties, Johnson said he believes the ground could freeze in Cache Valley as well.

People with cold-sensitive plants are advised to take measures to protect them during the night hours.

Related: How to Protect Your Garden as Temperatures Get Cooler

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