349
FXUS65 KREV 240858
AFDREV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
158 AM PDT FRI OCT 24 2025
KEY MESSAGES
* SEASONABLY MILD AND DRY CONDITIONS CONTINUE TODAY ALONG WITH
INCREASING SOUTHWEST WINDS THIS AFTERNOON.
* PERIODS OF GUSTY WINDS WITH RAIN AND HIGH ELEVATION SNOW SHOWERS
ARE EXPECTED THIS WEEKEND MAINLY FROM HIGHWAY 50 NORTHWARD. STRONG
AND GUSTY WINDS EXPECTED SATURDAY AFTERNOON.
* DAYTIME HIGHS WILL DROP 15-20 DEGREES FROM FRIDAY TO SUNDAY AS
THE STORM SYSTEM TRACKS THROUGH THE REGION. WARMER AND DRIER
CONDITIONS RETURN NEXT WEEK.
DISCUSSION
SEASONABLY MILD AND DRY CONDITIONS CONTINUE TODAY BEFORE A
COOLER, WINDIER, AND WETTER PATTERN ARRIVES OVER THE WEEKEND WITH
AN INCOMING STORM SYSTEM.
HIGH TEMPERATURES WILL RUN AROUND 4-8 DEGREES ABOVE AVERAGE TODAY
WITH AFTERNOON HIGHS REACHING THE MID-70S FOR WESTERN NEVADA AND
MID-60S FOR SIERRA VALLEYS. SOUTHWESTERLY WINDS WILL BEGIN TO
PICKUP THIS AFTERNOON WITH THE BREEZIEST CONDITIONS, GUSTS 25-30
MPH, EXPECTED MAINLY NORTH OF SUSANVILE-PYRAMID LAKE.
WEEKEND STORM SYSTEM:
WIND:
* AS THIS STORM SYSTEM CONTINUES TO TREND DRIER, WINDS WILL EMERGE
AS THE MAIN WIDESPREAD IMPACT ON SATURDAY AFTERNOON. WIND
ADVISORIES HAVE BEEN ISSUED FOR SATURDAY, MAINLY FOR AREAS
ROUGHLY NORTHWARD OF US-50.
* THESE AREAS COULD SEE WIND GUSTS OF 40-50 MPH WITH WIND PRONE
AREAS ALONG US-395/I-580 SEEING GUSTS OF 60+ MPH. SIERRA
RIDGETOP GUSTS COULD REACH 100 MPH AS 700 MB FLOW INCREASES TO
50-60 KT. EXPECT IMPACTS FOR OUTDOOR RECREATION, AVIATION, AND
CROSS WIND HAZARDS FOR HIGH PROFILE VEHICLES, WITH AREAS OF
BLOWING DUST DOWNWIND OF DESERTS AND SINKS IN WEST CENTRAL NV.
PRECIPITATION:
* A DRYING TREND HAS BEEN THE THEME WITH THIS STORM OVER THE LAST
SEVERAL DAYS AND THE BEST PROSPECTS FOR RAINFALL WILL LARGELY BE
CONFINED NORTHWARD OF US-50 IN THE SIERRA WITH W.NV BECOMING
LARGELY SHADOWED OUT. MOST LIKELY AMOUNTS RANGING FROM
0.25-0.50", WITH LOCALLY UP TO 0.65" NEAR THE SIERRA CREST.
* FAR WESTERN NV CONTINUES TO LOOK LARGELY SHADOWED OUT FROM
NOTABLE RAIN, WITH AMOUNTS 0.05" OR LESS, WITH LITTLE TO NO
PRECIPITATION FORECASTED FOR NORTHERN MONO COUNTY. SNOWFALL
POTENTIAL THROUGH SATURDAY EVENING IS ALSO LIMITED TO LESS THAN
2 INCHES ON SIERRA PASSES ABOVE 8000-8500 FEET.
* A SECONDARY, WEAKER PULSE OF MOISTURE WILL PUSH THROUGH ON
SUNDAY FROM THE TAHOE BASIN NORTHWARD WHICH COULD PRODUCE AN
ADDITIONAL 0.15-0.30" OF RAIN. UP TO 1-2" OF SNOW MAY FALL ABOVE
7500 FEET AROUND THE TAHOE BASIN AND N.MONO COUNTY. ELSEWHERE,
RAIN TOTALS OF A FEW HUNDREDTHS OF INCH ARE POSSIBLE.
TEMPERATURES:
* BY SUNDAY, TEMPERATURES WILL BE AROUND 10-15 DEGREES BELOW
AVERAGE, WITH MOSTLY 50S IN WESTERN NV AND LOW-MID 40S FOR THE
E.SIERRA. WE'LL START A SLOW WARMING TREND MONDAY THROUGH THE
MIDDLE OF NEXT WEEK WITH DRIER WEATHER. FUENTES
AVIATION
VFR CONDITIONS EXPECTED FRIDAY, EXCEPT FOR PATCHY FZFG PRODUCING
IFR/LIFR CONDITIONS AROUND KTRK BETWEEN 12-16Z THIS MORNING.
WINDS WILL BEGIN TO INCREASE FRIDAY AFTERNOON WITH GUSTS 15-20 KT
AT THE MAIN TERMINALS. FL100 WINDS WILL INCREASE FURTHER FRIDAY
NIGHT WITH GUSTS INCREASING TO 60 KT, LEADING TO INCREASED
TURBULENCE AND PERIODS OF LLWS.
PEAK WIND IMPACTS TO AVIATION ARE EXPECTED SATURDAY WITH MORE
WIDESPREAD TURBULENCE AND SHEAR AS FL100 WIND GUSTS INCREASE TO
NEAR 80 KT WHILE SURFACE GUSTS INCREASE TO 30-40 KT, AND POSSIBLY
ABOVE 40 KT FOR FAR WESTERN NV TERMINALS.
PERIODS OF RAIN WILL BRING LOWER CIGS/VIS AT TIMES WITH MOUNTAIN
TOP OBSCURATIONS TO KTVL/KTRK DURING THE DAY SATURDAY MAINLY
BETWEEN 12Z-00Z. MJD/TF
REV WATCHES/WARNINGS/ADVISORIES
NV...WIND ADVISORY FROM 11 AM TO 11 PM PDT SATURDAY NVZ002>005.
CA...WIND ADVISORY FROM 11 AM TO 11 PM PDT SATURDAY CAZ070>072.
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