Spot Forecast
Issued by NWS Reno, NV

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906
FNUS75 KREV 181653
FWSREV

Spot Forecast for Fallen Leaf Admin RX...USFS/LTBMU
National Weather Service Reno NV
853 AM PST Tue Nov 18 2025

Forecast is based on ignition time of 0900 PST on November 18.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Snow showers have moved out this morning, however low clouds and
  fog are lingering this morning and will mix out late this
  afternoon

* Poor mixing and inversions will persist through at least Wednesday.
  Winds will be overall light and terrain driven.

* Currently, there is a 60% chance for additional precipitation by
  Wednesday night into Thursday. Snow levels will be around
  6,000-6,500 ft.

.TODAY...

Sky/Weather.........Cloudy then becoming sunny.
Temperature.........30 at ignition...Max 43.
RH..................100% at ignition...Min 80%.
20-Foot Winds.......Northeast at 5-9 mph
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......1200-2100 ft agl.
Transport Winds.....East 10-15 mph.
Ventilation.........Marginal to fair.

TIME (PST)      8 AM      11 AM     2 PM
Sky (%).........47        31        20
Weather cov.....
Weather type....NONE      NONE      NONE
Tstm cov........
CWR.............5         0         0
Chc of thdr (%).0         0         0
Temp............30        40        43
RH..............100       78        70
20 FT wind......NE 5G10   NE 6G10   NE 5G10
Mx ht msl (kft).1.4       1.8       2.1
Transport wind..E 10      E 15      E 10
Vrate kt-ft/1K..14        27        25
Ventrate Cat....MRGL      FAIR      FAIR

.TONIGHT...

Sky/Weather.........Clear.
Temperature.........Min 25.
RH..................Max 100%.
20-Foot Winds.......Downslope 2-6 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......800-1200 ft agl.
Transport Winds.....East around 10 mph.
Ventilation.........Marginal to poor.

TIME (PST)      4 PM      7 PM      10 PM     1 AM
Sky (%).........23        22        17        14
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............41        32        29        27
RH..............75        95        97        98
20 FT wind......N 2G5     W 2G5     SW 2G5    SW 1
Mx ht msl (kft).1.7       0.9       0.8       0.9
Transport wind..E 10      E 10      E 10      E 10
Vrate kt-ft/1K..16        7         6         6
Ventrate Cat....MRGL      POOR      POOR      POOR

.WEDNESDAY...

Sky/Weather.........Sunny.
Temperature.........Max 44.
RH..................Min 78%.
20-Foot Winds.......Northeast 3-7 mph by late morning.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......1500-2500 ft agl.
Transport Winds.....Light winds.
Ventilation.........Poor to marginal.

TIME (PST)      4 AM      7 AM      10 AM     1 PM
Sky (%).........12        12        9         23
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............23        24        40        44
RH..............100       95        75        68
20 FT wind......SW 1      SE 1      NE 2G5    NE 2G5
Mx ht msl (kft).0.8       1.1       1.8       2.5
Transport wind..NE 5      E 5       E 5       E 5
Vrate kt-ft/1K..5         6         8         15
Ventrate Cat....POOR      POOR      POOR      MRGL

$$
Forecaster...Collins
Requested by...Alex Deleon/Joseph Fellner
Type of request...PRESCRIBED
.TAG 2526292.0/REV
.DELDT 11/18/25
.FormatterVersion 2.0.0
.EMAIL alexander.deleon@usda.gov,joseph.fellner@usda.gov