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 1019 PM MST Sun Nov 8 2026
- Patchy fog may develop again tonight in prone areas such as the Cache and Heber Valleys.
- Conditions remain dry and mild areawide through a majority of the week, with the next chance for precipitation arriving late this weekend.
DISCUSSION, Issued 1019 PM MST Sun Nov 8 2026
Quiescent conditions prevail areawide tonight, as high pressure remains the dominant feature across the western US. Patchy fog development remains a concern overnight, especially for fog prone areas like the Cache Valley, though increasing high cloud cover across northern Utah tonight may delay or completely inhibit fog development.
Persistent high pressure has allowed for strengthening valley inversions and resultant valley haze over the past few days, which is expected to continue into Monday. A weak and dry shortwave trough traversing northern Utah on Tuesday will bring cooling temperatures aloft that may work to mix out some of the accumulated valley haze. High pressure quickly re-amplifies across the western US Wednesday through the latter half of the week, keeping haze in place through this period.
Models have converged on a continued dry and mild pattern continuing through at least Saturday as we remain under the influence of high pressure. The pattern becomes more progressive across the west on Sunday as a cutoff low off the coast of southern California moves inland. This system brings our first shot at precipitation, though uncertainty in the exact track of the low is leading to low confidence at this time.
AVIATION
KSLC...The SLC terminal will see VFR conditions throughout the day with mostly clear skies. Light southerly winds are expected to shift to the northwest between 18Z and 20Z.
REST OF UTAH AND SOUTHWEST WYOMING...The vast majority of the airspace will see VFR conditions throughout the day with mostly clear skies and generally light and terrain driven winds. The exceptions to this will be in the vicinity of KLGU and KHCR where patchy fog has a chance to bring periods of IFR conditions through about 15Z.
SLC WATCHES/WARNINGS/ADVISORIES
UT...None. WY...None.
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