728
FNUS75 KREV 040453
FWSREV
SPOT FORECAST FOR COTTONWOOD RX...BLM
NATIONAL WEATHER SERVICE RENO NV
853 PM PST TUE FEB 3 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON FEBRUARY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
DISCUSSION
* MIXING AND VENTILATION REMAIN POOR THROUGH THE FORECAST PERIOD.
* DRY CONDITIONS WITH ABOVE AVERAGE TEMPERATURES AND LIGHT MAINLY
TERRAIN-DRIVEN WINDS PREVAIL THIS WEEK.
* THE WEATHER PATTERN IS PROJECTED TO CHANGE BY EARLY NEXT WEEK,
WITH INCREASING BREEZES AND SNOW SHOWER CHANCES.
WEDNESDAY
SKY/WEATHER.........SUNNY.
TEMPERATURE.........30 AT IGNITION...MAX 44.
RH..................39% AT IGNITION...MIN 34%.
20-FOOT WINDS.......WINDS EAST AT 2 MPH AT IGNITION...OTHERWISE
UPSLOPE 3-7 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......200-500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
VENTILATION.........POOR.
TIME (PST) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........6 3 3 5 10
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0
TEMP............30 39 42 43 42
RH..............59 44 37 35 42
20 FT WIND......E 2 E 3 E 3 SE 3 SE 3
20 FT WIND GUST.5 10 10 10 10
MX HT MSL (KFT).0.1 0.1 0.1 0.1 0.1
TRANSPORT WIND..SE 5 SE 5 SE 5 SE 5 SE 5
VRATE KT-FT/1K..0 0 0 0 0
VENTRATE CAT....POOR POOR POOR POOR POOR
WEDNESDAY NIGHT
SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 27.
RH..................MAX 69%.
20-FOOT WINDS.......DOWNSLOPE 2-6 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......200-500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
LATE EVENING AND OVERNIGHT.
VENTILATION.........POOR.
TIME (PST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........10 18 14 14 12 13
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............38 33 31 30 30 29
RH..............48 53 58 63 69 68
20 FT WIND......SE 3 SE 3 S 2 S 2 S 2 S 3
20 FT WIND GUST.10 10 5 5 5 5
MX HT MSL (KFT).0.1 0.1 0.1 0.1 0.1 0.1
TRANSPORT WIND..SE 5 S 5 S 10 S 10 S 10 S 10
VRATE KT-FT/1K..0 0 0 0 0 0
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
THURSDAY
SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 44.
RH..................MIN 36%.
20-FOOT WINDS.......UPSLOPE 3-7 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......200-500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH EARLY IN THE MORNING
BECOMING LIGHT.
VENTILATION.........POOR.
TIME (PST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........13 6 6 6 9 21
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 32 39 42 43 42
RH..............69 60 45 39 36 39
20 FT WIND......S 3 S 3 S 5 S 5 SE 5 S 3
20 FT WIND GUST.5 5 10 10 10 10
MX HT MSL (KFT).0.1 0.1 0.1 0.1 0.2 0.1
TRANSPORT WIND..S 10 S 10 S 5 S 5 S 5 S 5
VRATE KT-FT/1K..0 0 0 0 1 0
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
FORECASTER...DEUTSCHENDORF
REQUESTED BY...KALI DISPARTE
TYPE OF REQUEST...PRESCRIBED
.TAG 2601438.2/REV
.DELDT 02/04/26
.FORMATTERVERSION 2.0.0
.EMAIL KDISPARTE@BLM.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page