479
FNUS75 KREV 011800
FWSREV

Spot Forecast for Willard Creek Piles...USFS
National Weather Service Reno NV
1000 AM PST Mon Dec 1 2025

Forecast is based on ignition time of 1000 PST on December 02.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Mainly light west winds prevail Tuesday with improving
  ventilation in the afternoon.

* A dry cold front passage will shift winds to the east on
  Wednesday, along with temperatures 10-15 degrees colder than
  Tuesday.

.TUESDAY...

Sky/Weather.........Sunny.
Temperature.........46 at ignition...Max 52.
RH..................50% at ignition...Min 40%.
20-Foot Winds.......Winds west at 5 mph at ignition...otherwise
                    west 3-7 mph with gusts up to 15 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......2400-3100 ft agl.
Transport Winds.....West around 15 mph.
Ventilation.........Fair to good.

TIME (PST)      10 AM  NOON   2 PM
Sky (%).........12     12     22
Weather cov.....
Weather type....NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0
Chc of thdr (%).0      0      0
Temp............46     50     51
RH..............50     43     39
20 ft wind......W 5    W 5    W 6
20 ft wind gust.15     15     15
Mx ht msl (kft).2.5    2.5    3.1
Transport wind..W 15   W 15   W 15
Vrate kt-ft/1K..32     32     47
Ventrate Cat....FAIR   FAIR   GOOD

.TUESDAY NIGHT...

Sky/Weather.........Partly cloudy then becoming clear.
Temperature.........Min 27.
RH..................Max 81%.
20-Foot Winds.......Northwest to north 3-6 mph. Gusts up to
                    15 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......600-800 ft agl.
Transport Winds.....Northwest around 15 mph shifting to the
                    northeast overnight.
Ventilation.........Poor.

TIME (PST)      4 PM   6 PM   8 PM   10 PM  MIDNGT 2 AM
Sky (%).........29     29     26     20     20     10
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Chc of thdr (%).0      0      0      0      0      0
Temp............47     39     36     34     32     30
RH..............45     53     60     66     74     79
20 ft wind......NW 5   NW 5   NW 5   N 6    N 6    NE 6
20 ft wind gust.15     15     15     15     15     15
Mx ht msl (kft).0.7    0.7    0.8    0.6    0.6    0.6
Transport wind..NW 15  NW 15  NW 15  N 10   N 10   NE 10
Vrate kt-ft/1K..8      8      8      5      5      5
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.WEDNESDAY...

Sky/Weather.........Partly cloudy then becoming sunny.
Temperature.........Max 39.
RH..................Min 56%.
20-Foot Winds.......Northeast to east 3-7 mph with gusts
                    up to 15 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......1600-2100 ft agl.
Transport Winds.....East around 15 mph.
Ventilation.........Poor in the morning then fair.

TIME (PST)      4 AM   6 AM   8 AM   10 AM  NOON   2 PM
Sky (%).........17     17     34     34     34     18
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Chc of thdr (%).0      0      0      0      0      0
Temp............28     27     29     34     37     38
RH..............80     81     77     68     59     57
20 ft wind......NE 5   NE 5   NE 6   E 6    E 6    E 6
20 ft wind gust.15     15     15     15     15     15
Mx ht msl (kft).0.6    0.6    0.7    1.3    1.3    2.2
Transport wind..E 15   E 15   E 15   E 15   E 15   E 15
Vrate kt-ft/1K..7      7      7      16     16     24
Ventrate Cat....POOR   POOR   POOR   MRGL   MRGL   FAIR

$$
Forecaster...Deutschendorf
Requested by...Joshua Wynn
Type of request...PRESCRIBED
.TAG 2526763.0/REV
.DELDT 12/01/25
.FormatterVersion 2.0.0
.EMAIL kevin.rogers@usda.gov,brett.matthews@usda.gov,joshua.wynn@usda.gov