863
FXUS65 KREV 252016
AFDREV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
116 PM PDT FRI SEP 25 2026
KEY MESSAGES
* STRONG WIND GUSTS WITH A DRY COLD FRONT WILL CONTINUE THROUGH
THE EVENING, BEFORE DECREASING OVERNIGHT.
* A SYSTEM WILL BRING COOLER TEMPERATURES WITH HIGHS DROPPING
BETWEEN 5 TO 10 DEGREES BELOW AVERAGE BY SUNDAY AND MONDAY.
* 20-40% CHANCE FOR RAIN AND LIGHT HIGH ELEVATION SNOW SHOWERS
(>9,000') ACROSS THE EASTERN SIERRA AND WESTERN NEVADA SUNDAY
NIGHT INTO MONDAY AFTERNOON.
DISCUSSION
A DRY COLD FRONT WILL CONTINUE TO TRACK ACROSS NE CALIFORNIA AND
NW NEVADA TODAY, PROVIDING WIDESPREAD GUSTY WINDS AND CRITICAL
FIRE WEATHER CONDITIONS. MAX WIND GUSTS OBSERVED SO FAR TODAY HAVE
GENERALLY RANGED BETWEEN 30-45 MPH WITH LOCALIZED HIGHER GUSTS
OVER 50 MPH ACROSS SIERRA, PLUMAS, AND LASSEN COUNTIES WHERE THE
FRONT IS CURRENTLY PROGRESSING THROUGH.
EXPECT CONTINUED WIND IMPACTS TO OUTDOOR RECREATION, INCLUDING
HAZARDOUS BOATING CONDITIONS ON AREA LAKES. TRANSPORTATION IMPACTS
INCLUDE CROSS-WIND HAZARDS FOR HIGH PROFILE VEHICLES, AS WELL AS
TURBULENCE AND WIND SHEAR FOR AVIATION.
SURFACE WINDS WILL BEGIN TO WEAKEN THIS EVENING BUT REMAIN GUSTY
ACROSS THE RIDGETOPS WITH GUSTS OF 60-70 MPH PERSISTING THROUGH
SATURDAY NIGHT. OTHERWISE WINDS WILL REMAIN BREEZY WITH AFTERNOON
GUSTS OF AROUND 20-25 MPH THROUGH THE WEEKEND. TEMPERATURES WILL
COOL TO SEASON AVERAGES BY SATURDAY, BEFORE COOLING AN ADDITIONAL
5 DEGREES ON SUNDAY, THEN REACHING 5-10 DEGREES BELOW AVERAGE BY
MONDAY WITH HIGHS IN THE LOW 70S ACROSS W.NEVADA WITH MID-60S FOR
SIERRA VALLEYS. ALSO, SIERRA VALLEYS ON MONDAY AND TUESDAY MORNING
HAVE LIKELY CHANCES FOR BELOW FREEZING TEMPERATURES.
LIGHT PRECIPITATION CHANCES HAVE TRENDED HIGHER IN THE LAST 24
HOURS WITH OVERALL 20-40% CHANCES ACROSS WESTERN NV AND THE
E.SIERRA SUNDAY NIGHT INTO MONDAY AFTERNOON. SNOW LEVELS WITH
THIS LOW WILL DROP TO AROUND 8,500-9,000 FEET, WITH ABOUT A 20%
CHANCE FOR AN ISOLATED SNOW SHOWER TO DELIVER UP TO AN INCH OF
SNOWFALL FOR THE HIGHEST PEAKS (>9,500') IN MONO COUNTY.
ENSEMBLE GUIDANCE SUGGESTS AN AREA OF HIGH PRESSURE REBUILDING
ACROSS THE REGION AFTER MID-WEEK. THIS WILL INTRODUCE A WARMING
TREND, WITH TEMPERATURES BACK ABOVE AVERAGE BY WEDNESDAY. DRY
WEATHER LOOKS TO PERSIST TUESDAY THROUGH NEXT WEEKEND. FUENTES
AVIATION
AREAS OF TURBULENCE AND LLWS WILL CONTINUE TODAY AS A DRY COLD
FRONT TRACKS ACROSS W.NEVADA TODAY. SURFACE WINDS BETWEEN 15-20
KTS WITH GUSTS OF 25-35 KTS ARE EXPECTED TO CONTINUE THROUGH 03Z
THIS EVENING; HOWEVER, FL100 WINDS WILL REMAIN ELEVATED, 35-45KTS
THROUGH SATURDAY NIGHT, RESULTING IN INCREASED MOUNTAIN WAVE
TURBULENCE AND LLWS. AREAS OF BLOWING DUST ARE POSSIBLE THIS
AFTERNOON FOR KNFL AND KLOL, WITH VISIBILITIES DOWN TO 3SM.
FUENTES/MCKELLAR
FIRE WEATHER
CRITICAL FIRE WEATHER CONCERNS CONTINUE THIS AFTERNOON AND EARLY
EVENING AS A DRY COLD FRONT SWEEPS THROUGH THE AREA. OBSERVATIONS
HAVE REPORTED WIND GUSTS OF 30-45 MPH THUS FAR WITH OVER 50 MPH
GUSTS OBSERVED ACROSS PORTIONS OF PLUMAS AND LASSEN COUNTY.
RED FLAG WARNINGS REMAIN IN EFFECT THROUGH THIS EVENING FOR THE
SIERRA FRONT AND W.NEVADA FIRE ZONES AS GUSTY WIND COMBINE WITH
MINIMUM RH OF 10-20% TODAY. THE INCOMING FRONT HAS INCREASED
AFTERNOON RH BETWEEN 20-30% ACROSS E.SIERRA AND NE CALIFORNIA
AREAS THIS AFTERNOON, HELPING TO MITIGATE WIDESPREAD CRITICAL FIRE
WEATHER CONCERNS. FUENTES
REV WATCHES/WARNINGS/ADVISORIES
NV...LAKE WIND ADVISORY UNTIL 8 PM PDT THIS EVENING NVZ002>004.
RED FLAG WARNING UNTIL 10 PM PDT THIS EVENING NVZ420-421.
RED FLAG WARNING UNTIL 10 PM PDT THIS EVENING NVZ423-429.
CA...LAKE WIND ADVISORY UNTIL 8 PM PDT THIS EVENING CAZ071>073.
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