229
FNUS75 KREV 190100
FWSREV

Spot Forecast for Rancho...BLM NV-CCD
National Weather Service Reno NV
600 PM PDT Mon Aug 18 2025

Forecast is based on forecast start time of 0600 PDT on August 19.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Temperatures will trend upward into the weekend with decreasing
  humidities.

* Winds will be generally from the west each afternoon and evening,
  with gusts to 20-25 mph for Tuesday and Wednesday. Winds
  will decrease into the weekend.

* Dry conditions through at least Friday. There is then a 20-30
  percent chance for showers and storms by the weekend into next week.

.TUESDAY...

Sky/Weather.........Sunny.
Temperature.........53-55 at forecast start...Max 83-85.
RH..................40-45% at forecast start...Min 12-15%.
20-Foot Winds.......Southwest 4-9 mph through 0800, then east
to southeast 3-7 mph through around 1100.
Winds then become west 10-15 mph with
gusts to 20 mph by around 1400.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......300-600 ft agl then 10000-12000 ft agl in the
                    late morning and afternoon.
Transport Winds.....Light winds becoming south around 15 mph in the
                    afternoon.
Ventilation.........Poor to marginal increasing to excellent in the
                    afternoon.

TIME (PDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........5         0         1         1
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         10
Temp............55        63        76        85
RH..............45        29        18        15
20 FT wind......NW 7      SE 6G10   SE 9G15   W 15G20
Eye level wind..NW 4      SE 4G6    SE 5G9    W 9G12
Mx ht msl (kft).0.3       2.3       9.9       11.5
Transport wind..W 5       SW 5      S 15      S 15
Vrate kt-ft/1K..0         12        128       169
Ventrate Cat....POOR      MRGL      EXNT      EXNT

.TUESDAY NIGHT...

Sky/Weather.........Clear.
Temperature.........Min 54-56.
RH..................Max 42-46%.
20-Foot Winds.......West winds 12-17 mph with gusts to around 25 mph
through around 2000, then decrease to 7-10 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......8400-8600 ft agl early in the evening, decreasing
to around 200-600 ft agl overnight.
Transport Winds.....West 10-15 mph.
Ventilation.........Excellent decreasing to poor in the late
                    evening and overnight.

TIME (PDT)      5 PM      8 PM      11 PM     2 AM
Sky (%).........8         9         9         6
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............83        69        63        58
RH..............15        24        32        38
20 FT wind......W 17G25   W 14G20   W 12G15   W 9G10
Eye level wind..W 10G15   W 8G12    W 7G9     W 5G6
Mx ht msl (kft).8.5       0.6       0.3       0.3
Transport wind..W 15      W 15      W 10      W 10
Vrate kt-ft/1K..127       5         0         0
Ventrate Cat....EXNT      POOR      POOR      POOR

.WEDNESDAY...

Sky/Weather.........Sunny.
Temperature.........Max 85-87.
RH..................Min 10-13%.
20-Foot Winds.......West 4-9 mph through around 0800, then north to
northeast 3-7 mph through around 1200. Winds
then become northwest 5-10 mph with gusts to around
15 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl then 7500-9200 ft agl in the
                    afternoon.
Transport Winds.....Light winds becoming southwest around 10 mph
                    late in the afternoon.
Ventilation.........Poor to good.

TIME (PDT)      5 AM      8 AM      11 AM     2 PM
Sky (%).........3         0         1         2
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............55        60        72        83
RH..............45        34        18        11
20 FT wind......W 7G10    W 6G10    N 5G10    NW 7G15
Eye level wind..W 4G6     W 4G6     N 3G6     NW 4G9
Mx ht msl (kft).0.3       0.5       4.0       8.6
Transport wind..W 5       W 5       S 5       SW 10
Vrate kt-ft/1K..0         0         20        69
Ventrate Cat....POOR      POOR      FAIR      GOOD

.WEDNESDAY NIGHT...

Sky/Weather.........Clear.
Temperature.........Min 57-59.
RH..................Max 33-36%.
20-Foot Winds.......West 4-9 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......Decreasing to around 200-500 ft agl.
Transport Winds.....Northwest 10 mph.
Ventilation.........Poor in the late evening and overnight.

.THURSDAY...

Sky/Weather.........Sunny.
Temperature.........Max 87-90.
RH..................Min 10-13%.
20-Foot Winds.......West 4-9 mph in the morning, becoming east 5-10 mph
through 1700, then west 4-9 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl then 9000-10500 ft agl in the
                    afternoon.
Transport Winds.....Light winds becoming southwest around 10 mph
                    late in the afternoon.
Ventilation.........Poor to good to excellent.

$$
Forecaster...McKellar
Requested by...IC - Treich
Type of request...WILDFIRE
.TAG 2520003.3/REV
.DELDT 08/18/25
.FormatterVersion 2.0.0
.EMAIL atreich@blm.gov