Marine Weather and Tide Forecast for Kanab, UT
October 4, 2023 1:40 AM MDT (07:40 UTC)
Sunrise 7:29AM Sunset 7:12PM Moonrise 9:42PM Moonset 12:27PM
Area Discussion for - Salt Lake City, UT
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FXUS65 KSLC 032201 AFDSLC
Area Forecast Discussion National Weather Service Salt Lake City UT 401 PM MDT Tue Oct 3 2023
SYNOPSIS
An exiting trough will allow for mostly dry conditions for southwest Wyoming and northern Utah Wednesday. A ridge will build in from the west into the weekend, with warmer, dry conditions throughout.
.SHORT TERM (Through 12Z Thursday)...Shower activity for southwest Wyoming and northern Utah has tapered much of the afternoon. A longwave trough is positioned to the east, with Utah in a drier northwest flow. A shortwave within that brought showers that were enhanced some, mainly during the morning, off the Great Salt Lake. Showers will diminish into the evening, with low clouds near terrain for the north and mostly clear conditions throughout southern Utah.
With some clearing taking place with sufficient low level moisture, patchy, locally more dense fog is likely for locations like the Cache Valley, Heber Valley, and for portions of Uinta County, Wyoming.
Similarly, a chilly night, with lows below freezing are forecast for several valleys. A Freeze Warning is in effect from 3-9 AM for the Sanpete Valley and for Southwest Utah.
Temperatures will warm to around 10F cooler than normal Wednesday, with warmer conditions into the weekend.
.LONG TERM (After 12Z Thursday)...The extended forecast period remains largely unchanged as model guidance has stayed in large agreement on the area moving back into dryer and more seasonal-like weather. The upper level trough that has kept active and wet weather around will be well east of the CWA and midlevel height rises follow it as a longwave ridge moves in for most of the rest of the extended period. Subsidence aloft will bring clear sunny skies back to the forecast area, allowing for daytime heating to warm the area back up after the trough's cold exit. Afternoon highs return into the 70s for most valley locations outside of far southern UT where 80s and even low 90s are possible. The ridge looks to hang over the Great Basin through the weekend, and into the upcoming work week, where uncertainty grows on the entrance of another wet and active weather pattern.
Ensemble and deterministic models sit in agreement that a largely amplified trough will grow off the Pacific northwest and move into the region. Uncertainty sits in the timing of this features arrival as well as its overall trajectory. Current forecasted grids begin to bring very low PoPs into the forecast by Tuesday which is the favored arrival day in ensembles (~40%). Confidence remains low for now as the timing uncertainty leaves it just in or just out of the long term period, but regardless, expect more active and wet weather to creep back into the forecast after what otherwise looks like a fairly pleasant long term period.
AVIATION
KSLC...Scattered rain showers are likely to continue through at least 06z. After 06z, isolated lake-effect rain showers are possible (20% chance) through mid-morning. Any showers may bring a temporary reduction in CIGs to MVFR. Winds should remain fairly light overnight, transitioning to southeasterly around 01-03z.
Mountain obscuration is likely to continue through at least 14z.
REST OF UTAH AND SOUTHWEST WYOMING
Scattered rain showers across northern/central Utah and southwest Wyoming are likely to finish up by 07z. A few isolated lake-effect rain showers are possible overnight (25% chance) over the Salt Lake and Tooele valleys. Any showers may bring a reduction in CIGs to mainly MVFR. Certain sites may see fog development later in the night, with the highest chances at KLGU (25%), KEVW (40%), and KHCR (20%). IFR to LIFR conditions are possible if fog develops.
FIRE WEATHER
As a storm system exits Utah, precipitation will taper off Tuesday night into Wednesday throughout northern Utah.
High pressure will build in from the west, which will allow for drier weather for northern Utah, with more dry and mostly clear weather elsewhere. High pressure is likely to last into the weekend.
SLC WATCHES/WARNINGS/ADVISORIES
UT...Freeze Warning from 3 AM to 9 AM MDT Wednesday for UTZ118-122.
WY...None.
Area Forecast Discussion National Weather Service Salt Lake City UT 401 PM MDT Tue Oct 3 2023
SYNOPSIS
An exiting trough will allow for mostly dry conditions for southwest Wyoming and northern Utah Wednesday. A ridge will build in from the west into the weekend, with warmer, dry conditions throughout.
.SHORT TERM (Through 12Z Thursday)...Shower activity for southwest Wyoming and northern Utah has tapered much of the afternoon. A longwave trough is positioned to the east, with Utah in a drier northwest flow. A shortwave within that brought showers that were enhanced some, mainly during the morning, off the Great Salt Lake. Showers will diminish into the evening, with low clouds near terrain for the north and mostly clear conditions throughout southern Utah.
With some clearing taking place with sufficient low level moisture, patchy, locally more dense fog is likely for locations like the Cache Valley, Heber Valley, and for portions of Uinta County, Wyoming.
Similarly, a chilly night, with lows below freezing are forecast for several valleys. A Freeze Warning is in effect from 3-9 AM for the Sanpete Valley and for Southwest Utah.
Temperatures will warm to around 10F cooler than normal Wednesday, with warmer conditions into the weekend.
.LONG TERM (After 12Z Thursday)...The extended forecast period remains largely unchanged as model guidance has stayed in large agreement on the area moving back into dryer and more seasonal-like weather. The upper level trough that has kept active and wet weather around will be well east of the CWA and midlevel height rises follow it as a longwave ridge moves in for most of the rest of the extended period. Subsidence aloft will bring clear sunny skies back to the forecast area, allowing for daytime heating to warm the area back up after the trough's cold exit. Afternoon highs return into the 70s for most valley locations outside of far southern UT where 80s and even low 90s are possible. The ridge looks to hang over the Great Basin through the weekend, and into the upcoming work week, where uncertainty grows on the entrance of another wet and active weather pattern.
Ensemble and deterministic models sit in agreement that a largely amplified trough will grow off the Pacific northwest and move into the region. Uncertainty sits in the timing of this features arrival as well as its overall trajectory. Current forecasted grids begin to bring very low PoPs into the forecast by Tuesday which is the favored arrival day in ensembles (~40%). Confidence remains low for now as the timing uncertainty leaves it just in or just out of the long term period, but regardless, expect more active and wet weather to creep back into the forecast after what otherwise looks like a fairly pleasant long term period.
AVIATION
KSLC...Scattered rain showers are likely to continue through at least 06z. After 06z, isolated lake-effect rain showers are possible (20% chance) through mid-morning. Any showers may bring a temporary reduction in CIGs to MVFR. Winds should remain fairly light overnight, transitioning to southeasterly around 01-03z.
Mountain obscuration is likely to continue through at least 14z.
REST OF UTAH AND SOUTHWEST WYOMING
Scattered rain showers across northern/central Utah and southwest Wyoming are likely to finish up by 07z. A few isolated lake-effect rain showers are possible overnight (25% chance) over the Salt Lake and Tooele valleys. Any showers may bring a reduction in CIGs to mainly MVFR. Certain sites may see fog development later in the night, with the highest chances at KLGU (25%), KEVW (40%), and KHCR (20%). IFR to LIFR conditions are possible if fog develops.
FIRE WEATHER
As a storm system exits Utah, precipitation will taper off Tuesday night into Wednesday throughout northern Utah.
High pressure will build in from the west, which will allow for drier weather for northern Utah, with more dry and mostly clear weather elsewhere. High pressure is likely to last into the weekend.
SLC WATCHES/WARNINGS/ADVISORIES
UT...Freeze Warning from 3 AM to 9 AM MDT Wednesday for UTZ118-122.
WY...None.
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Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
| KKNB KANAB MUNI,UT | 18 sm | 25 min | E 05 | 10 sm | Clear | 43°F | 41°F | 93% | 30.15 |
Wind History from BCE
(wind in knots)
Cedar City, UT,
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