Utah will experience sunny skies through the weekend before a transition toward unsettled weather brings increasing showers and rain to much of the state starting next week, according to a forecast from the National Weather Service Salt Lake City.
Sunny Weekend Conditions
The National Weather Service issued a state forecast on Saturday, Oct. 17, 2026, indicating that sunny conditions will dominate much of the state through Sunday, Oct. 18. In Northern Utah, cities including Salt Lake City, Ogden, Brigham City, and Logan are expected to remain sunny through the weekend. Temperatures in Salt Lake City are projected to reach a high of 69 degrees on Saturday and 67 degrees on Sunday.
Transition to Cloudy Skies
Southern Utah will also see sunshine through the weekend. St. George is forecasted to reach a high of 78 degrees on Saturday and 75 degrees on Sunday. In the more mountainous regions, such as Park City and Heber, temperatures will remain mild, with highs in the 60s during the weekend period.
As the weekend progresses, the weather pattern begins to shift. By Monday, Oct. 20, several areas in Northern Utah, including Salt Lake City, Ogden, and Logan, are expected to see partly cloudy skies. In Provo, the forecast predicts partly cloudy conditions through Monday.
Mid-Week Precipitation Forecast
A more significant shift in weather is expected mid-week. According to the National Weather Service, rain and showers are projected to arrive in various parts of the state starting Tuesday, Oct. 21, and Wednesday, Oct. 22.
In Northern Utah, the probability of precipitation increases notably by mid-week. Salt Lake City is forecasted to see showers on Thursday, Oct. 23, with a 50% chance of precipitation. Ogden and Brigham City are also expected to see rain on Thursday, Oct. 23, with precipitation probabilities reaching 50% and 50% respectively. In Logan, the chance of precipitation is expected to reach 40% on Wednesday, Oct. 22, and 80% on Thursday, Oct. 23.
Rain Expected in Southern Utah
Southern Utah will also see an increase in moisture. St. George is forecasted to experience showers on Thursday, Oct. 23, with a 50% chance of precipitation. In the Bryce Canyon area, the probability of precipitation is expected to reach 70% on Wednesday, Oct. 22, and 90% on Thursday, Oct. 23.
In more southern areas like Kanab, showers are expected on Wednesday, Oct. 22, and Thursday, Oct. 23, with precipitation probabilities of 60% and 60% respectively. In Cedar City, the chance of rain is expected to rise to 60% on Thursday, Oct. 23.
Snow Possible in High Elevations
The forecast also indicates potential for snow in higher elevations. In Park City, the National Weather Service predicts rain or snow on Thursday, Oct. 23, with a 80% chance of precipitation. Similarly, in the Alta area, the forecast calls for rain or snow on Thursday, Oct. 23, with an 80% chance of precipitation.
Other high-elevation areas, such as Mirror Lake and Soldier Summit, are also forecasted to see rain or snow on Thursday, Oct. 23, with precipitation probabilities of 90% in both locations.
St. George Historical Context
Historical climate data for St. George provides context for the current temperature trends. According to the Western Regional Climate Center, the monthly average high for October in St. George is 80.0 degrees, with an average low of 43.6 degrees.
Historical records for St. George show that the highest temperature ever recorded in October was 107 degrees on Jan. 20, 2010, and the lowest temperature recorded in the month was 4.1 degrees on Oct. 1, 1899. The mean temperature for the month of October is recorded at 61.7 degrees.
Upcoming Weather Outlook
As the state moves from a sunny weekend into a wetter mid-week, residents should prepare for changing conditions. The National Weather Service continues to monitor weather patterns across the state, including Northern, Southern, and Eastern Utah.
