Spot Forecast
Issued by NWS Reno, NV

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900
FNUS75 KREV 190644
FWSREV

Spot Forecast for Tahoe Hills Urban Lots...USFS/ LTBMU
National Weather Service Reno NV
1044 PM PST Tue Nov 18 2025

Forecast is based on ignition time of 0800 PST on November 19.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Relatively light winds along with fair to marginal mixing and
  inversions can be expected through Wednesday.

* Dry conditions are forecast through most of Wednesday until a ~30%
  chance of a rain/snow mix begins during the late night hours.

* While light winds persist into Thursday, light snow chances
  increase to around 80-85% starting in the early morning hours
  that continue into Friday. Snow levels transition from 6-6.5kft
  in the early morning to 5.5-6kft by the late morning.

.WEDNESDAY...

Sky/Weather.........Sunny then becoming partly cloudy.
Temperature.........33 at ignition...Max 44-45.
RH..................100% at ignition...Min 75-76%.
20-Foot Winds.......Winds south at 1 mph at ignition...otherwise
                    Upslope 3-7 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......1700-2500 ft agl.
Transport Winds.....Southwest around 10 mph late in the morning
                    becoming light, then becoming west around 10
                    mph late in the afternoon.

Ventilation.........Marginal to fair.

TIME (PST)      8 AM      11 AM     2 PM
Sky (%).........23        19        32
Weather cov.....
Weather type....NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0
Chc of thdr (%).0         0         0
Temp............33        42        43
RH..............100       85        76
20 FT wind......S 1       SE 1G5    W 2G10
Mx ht msl (kft).1.5       2.5       2.5
Transport wind..SW 10     S 5       W 10
Vrate kt-ft/1K..10        12        22
Ventrate Cat....MRGL      MRGL      FAIR

.WEDNESDAY NIGHT...

Sky/Weather.........Mostly cloudy. Chance of rain overnight. Chance
                    of snow overnight.
Temperature.........Min 29-30.
RH..................Max 100%.
20-Foot Winds.......Downslope 2-6 mph.
Chc Wetting Rain....0% increasing to 15% overnight.
Chance of thunder...0%.
Mixing Height.......1200-1700 ft agl.
Transport Winds.....Southwest around 10 mph increasing to 20-25 mph
                    overnight.
Ventilation.........Fair to marginal.

TIME (PST)      4 PM      7 PM      10 PM     1 AM
Sky (%).........50        58        79        94
Weather cov.....                    CHANCE    CHANCE
Weather type....NONE      NONE      RNSN      SNOW
Tstm cov........
CWR.............0         0         20        20
Chc of thdr (%).0         0         0         0
Temp............39        35        32        32
RH..............82        87        89        96
20 FT wind......W 2G10    SW 3G10   SW 5G15   SW 5G15
Mx ht msl (kft).1.3       0.9       1.4       1.7
Transport wind..W 10      SW 10     SW 20     SW 25
Vrate kt-ft/1K..11        9         24        35
Ventrate Cat....MRGL      MRGL      FAIR      FAIR

.THURSDAY...

Sky/Weather.........Cloudy. Snow likely.
Temperature.........Max 36-37.
RH..................Min 85-87%.
20-Foot Winds.......Upslope 3-7 mph.
Chc Wetting Rain....40%.
Chance of thunder...5%.
Mixing Height.......1700-2400 ft agl.
Transport Winds.....Southwest 15-20 mph.
Ventilation.........Fair.

TIME (PST)      4 AM      7 AM      10 AM     1 PM
Sky (%).........85        92        88        85
Weather cov.....LIKELY    LIKELY    LIKELY    LIKELY
Weather type....SNOW      SNOW      SNOW      SNOW
Tstm cov........
CWR.............40        40        40        40
Chc of thdr (%).0         0         10        10
Temp............31        31        35        36
RH..............99        99        99        88
20 FT wind......SW 3G10   SW 2G10   SW 2G5    W 2G10
Mx ht msl (kft).1.8       1.8       2.4       2.3
Transport wind..SW 20     SW 15     SW 15     W 15
Vrate kt-ft/1K..30        25        34        26
Ventrate Cat....FAIR      FAIR      FAIR      FAIR

$$
Forecaster...Chyba
Requested by...David Deleon
Type of request...PRESCRIBED
.TAG 2526148.0/REV
.DELDT 11/19/25
.FormatterVersion 2.0.0
.EMAIL david.deleon@usda.gov