Spot Forecast
Issued by NWS Reno, NV
Issued by NWS Reno, NV
Versions:
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FNUS75 KREV 110418
FWSREV
Spot Forecast for Clark...CAL Fire
National Weather Service Reno NV
918 PM PDT Sun Aug 10 2025
Forecast is based on forecast start time of 0700 PDT on August 11.
If conditions become unrepresentative...contact the National
Weather Service in Reno.
...HEAT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 9 AM PDT
WEDNESDAY...
.DISCUSSION...
* High pressure over the area will maintain hot temperatures
and low daytime humidity through Tuesday. Humidity recoveries
will be moderate.
* Winds will be light southeast in the mornings, then becoming
west to northwest and increasing late morning through the evening.
* High pressure breaks down on Wednesday. This will lead to a
cooling trend across the fire, but slightly stronger winds
each afternoon.
.MONDAY...
Sky/Weather.........Sunny.
Temperature.........54 at forecast start...Max 96.
RH..................50% at forecast start...Min 14%.
20-Foot Winds.......Southeast 2-5 mph through around 1100 hours,
then northwest 5-10 mph with gusts to around
20 mph in the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......Increasing to around 10500-11600 ft agl.
Transport Winds.....Light winds becoming west around 10 mph late in
the afternoon.
Ventilation.........Poor to very good.
TIME (PDT) 7 AM 10 AM 1 PM 4 PM
Sky (%).........8 1 2 3
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0
Chc of thdr (%).0 0 0 0
Temp............54 80 93 95
RH..............50 22 16 14
20 FT wind......SE 3G5 SE 3G5 NW 6G15 NW 8G20
Eye level wind..SE 2G3 SE 2G3 NW 4G9 NW 5G12
Mx ht msl (kft).1.0 3.3 9.4 11.5
Transport wind..SE 5 SE 5 W 5 W 10
Vrate kt-ft/1K..5 17 56 87
Ventrate Cat....POOR MRGL GOOD VYGD
.MONDAY NIGHT...
Sky/Weather.........Clear.
Temperature.........Min 58.
RH..................Max 53%.
20-Foot Winds.......Northwest to west 5-9 mph with gusts to around
15 mph to around 2000 hours, then southeast 3-6 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......Decreasing to around 1000-1500 ft agl.
Transport Winds.....West 10-15 mph in the evening becoming light.
Ventilation.........Excellent decreasing to marginal to poor in the
late evening and overnight.
TIME (PDT) 5 PM 8 PM 11 PM 2 AM
Sky (%).........3 6 3 0
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0
Chc of thdr (%).0 0 0 0
Temp............96 87 72 65
RH..............14 18 28 41
20 FT wind......W 8G20 W 5G10 S 3G5 SE 3G5
Eye level wind..W 5G12 W 3G6 S 2G3 SE 2G3
Mx ht msl (kft).9.9 1.1 1.0 0.9
Transport wind..W 15 W 10 W 5 SW 5
Vrate kt-ft/1K..119 10 6 4
Ventrate Cat....EXNT MRGL POOR POOR
.TUESDAY...
Sky/Weather.........Sunny.
Temperature.........Max 95.
RH..................Min 17%.
20-Foot Winds.......Southeast 3-6 mph through around 1000 hours, then
west 6-10 mph with gusts to around 20 mph.
Chc Wetting Rain....0%.
Chance of thunder...5%.
Mixing Height.......Increasing to around 10100-11500 ft agl.
Transport Winds.....Light winds becoming west around 15 mph late in
the afternoon.
Ventilation.........Poor to fair increasing to excellent late in
the afternoon.
TIME (PDT) 5 AM 8 AM 11 AM 2 PM
Sky (%).........4 2 1 5
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0
Chc of thdr (%).0 0 10 10
Temp............58 68 86 93
RH..............53 40 24 18
20 FT wind......SE 3G5 SE 3G5 W 5G10 W 9G20
Eye level wind..SE 2G3 SE 2G3 W 3G6 W 5G12
Mx ht msl (kft).0.9 1.1 4.8 11.5
Transport wind..S 5 SE 5 SW 5 W 15
Vrate kt-ft/1K..5 3 24 131
Ventrate Cat....POOR POOR FAIR EXNT
$$
Forecaster...McKellar
Requested by...Adam Peterson
Type of request...WILDFIRE
.TAG 2519696.0/REV
.DELDT 08/10/25
.FormatterVersion 2.0.0
.EMAIL adam.peterson@fire.ca.gov