434
FNUS75 KREV 100848
FWSREV
SPOT FORECAST FOR BIG HILL 29...USFS
NATIONAL WEATHER SERVICE RENO NV
148 AM PDT FRI OCT 10 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON OCTOBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
DISCUSSION
* SOUTH TO SOUTHWEST WINDS INCREASE THIS AFTERNOON AHEAD OF AN
APPROACHING COLD FRONT LATER TODAY.
* THERE IS A 30-40% CHANCE FOR SHOWERS LATER THIS EVENING, FOLLOWED
BY LIKELY RAIN SHOWERS OVERNIGHT. AMOUNTS UP TO 0.10".
* THE MODELS ARE TRENDING COOL AND WET THROUGH AT LEAST MID-WEEK.
BUT, THERE IS STILL UNCERTAINTY FOR PRECIPITATION CHANCES AFTER
MONDAY.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN CLEAR MID-DAY, THEN INCREASING
CLOUDS BY 1800.
TEMPERATURE.........43 AT IGNITION...MAX 58.
RH..................78% AT IGNITION...MIN 40%.
20-FOOT WINDS.......SOUTHEAST WINDS 4-9 MPH WITH GUSTS TO 15 MPH
THROUGH AROUND 0900, INCREASING FROM THE SOUTH
TO SOUTHWEST 6-10 MPH WITH GUSTS BETWEEN 20-25 MPH.
CHC WETTING RAIN....5%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......4800-5800 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH SHIFTING TO THE SOUTHWEST
AROUND 25 MPH IN THE AFTERNOON.
VENTILATION.........FAIR TO EXCELLENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY (%).........60 80 40 10
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............10 10 10 10
CHC OF THDR (%).0 0 0 0
TEMP............43 50 54 58
RH..............78 68 48 40
20 FT WIND......SE 7G15 S 10G15 S 9G18 SW 10G20
MX HT MSL (KFT).2.5 4.4 5.6 5.8
TRANSPORT WIND..S 15 S 20 SW 25 SW 25
VRATE KT-FT/1K..30 83 111 127
VENTRATE CAT....FAIR VYGD EXNT EXNT
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT 20-30% OF SHOWERS THROUGH 2200, THEN
RAIN LIKELY THROUGH AROUND 0300-0500.
TEMPERATURE.........MIN 38.
RH..................MAX 90%.
20-FOOT WINDS.......SOUTHWEST WINDS 6-10 MPH EARLY IN THE EVENING
BECOMING DOWNSLOPE 4-7 MPH.
CHC WETTING RAIN....5% INCREASING TO 30% OVERNIGHT.
CHANCE OF THUNDER...10%.
MIXING HEIGHT.......2700-3700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH DECREASING TO AROUND 15
MPH IN THE LATE EVENING AND OVERNIGHT.
VENTILATION.........EXCELLENT TO FAIR. 38
TIME (PDT) 5 PM 8 PM 11 PM 2 AM
SKY (%).........10 61 90 90
WEATHER COV..... S CHC LIKELY LIKELY
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............10 10 30 30
CHC OF THDR (%).10 10 10 10
TEMP............57 47 43 41
RH..............42 65 85 87
20 FT WIND......SW 10G15 SW 6G15 S 6G15 S 6G10
MX HT MSL (KFT).5.5 3.7 3.1 2.6
TRANSPORT WIND..SW 25 S43W 15 SW 15 SW 15
VRATE KT-FT/1K..115 49 37 28
VENTRATE CAT....EXNT GOOD FAIR FAIR
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY. 20-30% CHANCE OF SHOWERS
THROUGH 1100.
TEMPERATURE.........MAX 52.
RH..................MIN 44%.
20-FOOT WINDS.......WEST 4-7 MPH WITH GUSTS TO 15 MPH.
CHC WETTING RAIN....5%.
CHANCE OF THUNDER...10%.
MIXING HEIGHT.......4800-5800 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
VENTILATION.........FAIR TO VERY GOOD.
TIME (PDT) 5 AM 8 AM 11 AM 2 PM
SKY (%).........66 65 53 53
WEATHER COV.....CHANCE S CHC CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE
TSTM COV........
CWR.............10 10 10 10
CHC OF THDR (%).10 10 10 10
TEMP............39 38 47 52
RH..............90 79 66 48
20 FT WIND......NW 5G10 SW 5G10 W 5G10 W 5G15
MX HT MSL (KFT).2.5 3.1 4.6 5.9
TRANSPORT WIND..W 15 W 10 W 10 W 15
VRATE KT-FT/1K..27 31 46 83
VENTRATE CAT....FAIR FAIR GOOD VYGD
FORECAST DAYS 3 THROUGH 7
SUNDAY
CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID 60S. SLOPE WINDS.
COLUMBUS DAY
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 20S.
HIGHS IN THE LOWER 50S. SLOPE WINDS.
TUESDAY
SHOWERS LIKELY. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.
SLOPE WINDS.
WEDNESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S.
THURSDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE LOWER 30S.
HIGHS IN THE UPPER 50S.
FORECASTER...MCKELLAR
REQUESTED BY...CHRIS ENRIQUEZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2523124.2/REV
.DELDT 10/10/25
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTIAN.ENRIQUEZ@USDA.GOV
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