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
- 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 next weekend.
DISCUSSION
Clear skies are in place across Utah and southwest Wyoming as high pressure persists across the southwestern US. Similar to last night, isolated areas of fog may develop late tonight in the Cache and Heber Valleys, though increasing high clouds will limit surface cooling and thus likely delay or even fully inhibit fog formation.
Otherwise, expect dry conditions and another couple of degrees of warming heading into tomorrow as high pressure builds. A dry shortwave trough will swing through the region on Tuesday, producing slightly cooler temperatures on the order of a few degrees. This shortwave, depending on its strength, could help ventilate valley haze, but at this time it doesn't look like it will be strong enough to fully mix out valley inversions. High pressure will then return through at least the end of the week, with high temperatures in the low-60s across most valleys.
Model guidance continues to delay the return of active weather, with next weekend now looking more likely to remain dry and relatively warm. While there is still plenty of uncertainty with when this active weather arrives, models are in better agreement of mean troughing over the west coast by next Monday, indicative of a potential trend towards cooler, wetter (snowier) conditions.
AVIATION
KSLC...VFR conditions and diurnal winds will prevail through the TAF period. Northwest winds today will persist through early evening before transitioning to southeasterly by 03Z.
REST OF UTAH AND SOUTHWEST WYOMING...VFR conditions with light winds will prevail across the area through the TAF period. Patchy dense fog will once again develop near KLGU and KHCR between 10-16Z, which will periodically reduce CIGS/VIS into the LIFR or VLIFR range.
SLC WATCHES/WARNINGS/ADVISORIES
UT...None. WY...None.
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