Southern Utah weekend weather: Cooler temperatures, precipitation to start and end the weekend

ST. GEORGE — According to the National Weather Service, this weekend’s weather includes chilly temperatures and rain returning to the majority of southwestern Utah.

Updated May 18, 8 a.m. to reflect current conditions, forecasts and advisories.

Below are your St. George, Cedar City, Zion National Park and Lake Powell area weekend weather forecasts, including current warnings and advisories. And for a look at this weekend’s events, check out the St. George News TGIF Show: Your weekend adventure guide brought to you by Virgin River Casino.

St. George


Sunny with a high of 74 and low of 56, with southwest winds of 5-7 mph.


Mostly cloudy with a high of 66 and low of 46, with south-southeast winds of 8-13 mph. There’s a 60% chance of showers, then showers and possibly a thunderstorm after noon.

Read more: Dixie Regional reports on successful integration of St. George Police at hospital

Cedar City


Sunny with a high of 60 and low of 45, with westwinds of 5-9 mph.


Mostly cloudy with a high of 53 and low of 39, with south winds of 10-16 mph. There’s a 80% chance of showers, then showers likely with a possibility of a thunderstorm after noon.

Read more: Gov. Herbert appoints former Iron County deputy attorney as executive director of Utah DNR

Zion National Park/Springdale


Sunny with a high of 62 and low of 41, with north-northwest winds of 7-9 mph.


Mostly cloudy with a high of 55 and low of 34, with south-southwest winds of 9-11 mph. There’s a 80% chance of showers, with thunderstorms also possible after noon.

Read more: Zion bighorn sheep lambs showing no signs of deadly pneumonia after outbreak

Lake Powell/Bullfrog Basin/Halls Crossing


Sunny with a high of 73 and low of 50, with south-southwest winds of 5-8 mph.


Cloudy with a high of 69 and low of 42, with south winds of 5-10 mph increasing to 17-22 mph in the afternoon. There’s a 50% chance of showers and thunderstorms after noon.

Read more: Plan ahead for decontaminating boats stored at Lake Powell

Weather warnings and advisories

A hazardous weather outlook is in place for the areas of Utah’s Dixie, Zion National Park, Glen Canyon Recreation Area, Lake Powell and Southern Utah mountains.

Precipitation across the north (snow above 6,500 feet) will remain fairly widespread Saturday morning before tapering midday and afternoon. Temperatures will remain roughly 15 degrees below normal.

Another cool storm system will arrive Sunday into Monday, with yet another affecting the outlook area Tuesday on through the remainder of the work week. Snow levels as low as 6,500 feet Monday will gradually climb towards 8,000 feet through the week allowing modest accumulations over the higher mountain peaks, while further delaying high elevation snowmelt and associated run- off. Additional impacts from snowfall are expected to remain negligible however.

For the most current conditions, warnings and advisories, go to the National Weather Service-Salt Lake City office website.

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