textproduct: Salt Lake City
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES, Issued 1040 AM MDT Wed Sep 30 2026
- High pressure will build across the western US through the latter half of the week, resulting in drier conditions along with a gradual warming trend through the weekend.
- A weakening storm system will bring the potential for at least spotty precipitation over the area on Monday.
DISCUSSION, Issued 1040 AM MDT Wed Sep 30 2026
An upper level low is in place south of the Four Corners area this morning and will track east-northeast across New Mexico through the day before heading into the Plains tomorrow. Moisture wrapping around the low will continue to bring generally light precipitation to the far southeastern portion of the forecast area, mainly encompassing the Glen Canyon area and immediate surroundings, through the early afternoon hours today before pulling away. Behind the exiting low, high pressure will build into Utah through the end of the week. Expect temperatures to gradually trend warmer through this period, with dry and stable conditions prevailing.
Models bring a weakening trough into the area on Monday. This may bring some spotty precipitation to the area and cool temperatures slightly. High pressure then looks likely to rebound again by the middle of next week.
AVIATION, Issued 512 AM MDT Wed Sep 30 2026
KSLC...Light northwesterly winds will increase through the day before switching back to the south around 03-05Z.
REST OF UTAH AND SOUTHWEST WYOMING...Rain showers will impact terminals across southeastern Utah, roughly south and east of a line from KNB to HVE. Occasional MVFR conditions will occur in these rain showers through the day.
FIRE WEATHER
High pressure will build into the area through the weekend. This will lead to drier and more stable conditions along with a gradual warming trend. Some enhanced northerly winds may remain in place tonight but generally light and terrain-driven winds are expected thereafter. A weakening storm system looks to cross the area on Monday. Isolated to scattered showers with localized wetting rain will be possible with this storm. Otherwise, high pressure is expected to build back into the area once again by the middle of next week.
SLC WATCHES/WARNINGS/ADVISORIES
UT...None. WY...None.
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