Spot Forecast
Issued by NWS Reno, NV

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FNUS75 KREV 170021
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Spot Forecast for Rancho...BLM NV-CCD
National Weather Service Reno NV
521 PM PDT Sat Aug 16 2025

Forecast is based on forecast start time of 0600 PDT on August 17.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Shower and storm chances will taper this evening, but return for
  Sunday. Sunday, a 10-15% chance of a shower or storm exists for
  the afternoon. Overnight recoveries will be good.

* Afternoon breezes will amplify for Sunday, with afternoon gusts
  up to 20 mph possible. Watch for gusty and erratic outflow winds
  in the vicinity of showers and storms.

* Four Corners high pressure develops early next week to bring
  about a warming and drying trend.

.SUNDAY...

Sky/Weather.........Partly cloudy late morning. Slight chance of showers
                    and thunderstorms late in the afternoon.
Temperature.........54-56 at forecast start...Max 75-77.
RH..................65-70% at forecast start...Min 31-33%.
20-Foot Winds.......Winds west at 6 mph at forecast
                    start...becoming west 10-15 mph with gusts to 25 mph
                    in the afternoon. Gusty and erratic winds expected
                    near thunderstorms late in the afternoon.
Chc Wetting Rain....5%.
Chance of thunder...20%.
Mixing Height.......200-500 ft agl then 6600-7600 ft agl in the
                    late morning and afternoon.
Transport Winds.....Light winds becoming southwest 10-15 mph in the
                    late morning and afternoon.
Ventilation.........Poor to very good increasing to excellent late
                    in the afternoon.

TIME (PDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........29        4         22        42
Weather cov.....                              S CHC
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........                              S CHC
CWR.............0         0         10        10
Chc of thdr (%).0         0         20        20
Temp............55        62        71        74
RH..............70        52        36        32
20 FT wind......W 6       SW 6G10   SW 10G15  W 14G25
Eye level wind..W 4       SW 4G6    SW 6G9    W 9G15
Mx ht msl (kft).0.1       3.6       7.2       7.7
Transport wind..W 5       SW 10     SW 10     W 15
Vrate kt-ft/1K..0         25        72        100
Ventrate Cat....POOR      FAIR      VYGD      EXNT

.SUNDAY NIGHT...

Sky/Weather.........Partly cloudy then becoming clear.
Temperature.........Min 53-55.
RH..................Max 60-65%.
20-Foot Winds.......West winds 11-16 mph decreasing to 7-10 mph
                    overnight.
Chc Wetting Rain....5%.
Chance of thunder...15%.
Mixing Height.......1500-2000 ft agl in the evening.
Transport Winds.....West 10-15 mph.
Ventilation.........Very good to poor.

TIME (PDT)      5 PM      8 PM      11 PM     2 AM
Sky (%).........27        10        12        2
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).20        10        0         0
Temp............73        66        60        56
RH..............34        45        55        60
20 FT wind......W 16G20   W 14G20   W 10G15   W 8G10
Eye level wind..W 10G12   W 8G12    W 6G9     W 5G6
Mx ht msl (kft).6.2       0.6       0.1       0.1
Transport wind..W 15      W 15      W 10      W 10
Vrate kt-ft/1K..86        9         0         0
Ventrate Cat....VYGD      MRGL      POOR      POOR

.MONDAY...

Sky/Weather.........Sunny.
Temperature.........Max 79-81.
RH..................Min 20-25%.
20-Foot Winds.......Upslope 3-7 mph becoming south 7-10 mph in the
                    afternoon.
Chc Wetting Rain....0%.
Chance of thunder...5%.
Mixing Height.......200-500 ft agl then 6700-7700 ft agl in the
                    afternoon.
Transport Winds.....Light winds becoming southwest 10-15 mph in the
                    afternoon.
Ventilation.........Poor to very good.

TIME (PDT)      5 AM      8 AM      11 AM     2 PM
Sky (%).........3         0         1         3
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         10        10
Temp............54        59        70        77
RH..............62        53        32        23
20 FT wind......W 6G10    SW 6G10   S 7G15    SW 10G15
Eye level wind..W 4G6     SW 4G6    S 4G9     SW 6G9
Mx ht msl (kft).0.1       0.3       5.1       7.9
Transport wind..W 5       SW 5      S 15      SW 10
Vrate kt-ft/1K..0         2         56        71
Ventrate Cat....POOR      POOR      GOOD      VYGD

$$
Forecaster...Richards/Johnston
Requested by...IC - Treich
Type of request...WILDFIRE
.TAG 2520003.1/REV
.DELDT 08/16/25
.FormatterVersion 2.0.0
.EMAIL atreich@blm.gov