730
FNUS76 KEKA 150010
FWSEKA

Spot Forecast for YST TREX - Big Creek...WRTC/TREX
National Weather Service Eureka CA
510 PM PDT Sat Jun 14 2025

If conditions become unrepresentative...contact the National Weather
Service.

If you have questions or concerns regarding this forecast, please
contact our office at (707) 443-6484

Please do not respond directly if you have received this in an email.

.DISCUSSION...Overnight RH recovery values range 52%-93% into Sunday morning.
Winds out of the WSW by sunrise at 1-2mph become variable but primarily out of the
West with a northerly component. Winds build to 6-8mph by the early evening hours and
veer west eventually easing to 3-5mph after sunset. High temp of 88F with a low minimum
RH of 17%. Overnight RH recovery values range 47%-81% into Monday morning with west by
southwesterly winds at 3-5mph. These turn WNW a few hours after sunrise at 1-2mph but
build to 3-5mph by noon, continuing to build just a few mph more by the early evening.
Winds ease to around 2mph a few hours before midnight. High Monday of 84F with a low RH
minimum of 16%.


.SUNDAY...

Sky/weather.........Partly cloudy then becoming mostly cloudy then
                    becoming partly cloudy.
CWR.................1 percent.
Max temperature.....Around 88.
Min humidity........16 percent.
Wind (20 ft)........Variable 1 to 3 mph...becoming west 6 to 9 mph
                    early in the afternoon.
Mixing height.......1400-2600 ft AGL increasing to 6400 ft AGL late
                    in the morning, then increasing to 8700 ft AGL
                    early in the afternoon decreasing to 5600 ft
                    AGL late in the afternoon.
Transport winds.....East around 5 mphsouth around 6 mph late in the
                    morning, thenwest around 8 mph late in the
                    afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........36  36  53  53  53  68  68  68  61  61  61  48
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  48  54  60  70  77  82  84  87  88  88  88
RH..............93  83  66  53  41  30  24  20  17  17  18  21
20 FT wind dir..SW  SW  NW  NW  NW  NW  NW  NW  W   W   W   W
20 FT wind spd..1   1   1   1   1   2   2   2   6   6   6   8
20 FT wind gust.        2   2   2   3   3   3   9   9   9   13
Mix hgt (kft)...1.4 1.4 2.6 2.6 2.6 6.4 6.4 6.4 8.7 8.7 8.7 5.6
Transp wind dir.E   E   E   E   E   S   S   S   S   S   S   W
Transp wind spd.5   5   5   5   5   6   6   6   6   6   6   8

.SUNDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy then
                    becoming partly cloudy.
CWR.................0 percent.
Min temperature.....Around 44.
Max humidity........85 percent.
Wind (20 ft)........West winds 5 to 8 mph in the evening...becoming
                    variable 2 to 5 mph, then...becoming southwest
                    around 5 mph after midnight...becoming variable
                    2 to 5 mph.
Mixing height.......5600 ft AGL decreasing to 1400-1900 ft AGL
                    early in the evening.
Transport winds.....West 7 to 8 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........48  48  65  65  65  41  41  41  26  26  26  29
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............85  82  77  67  62  59  56  52  50  47  45  45
RH..............25  31  37  47  54  62  66  74  74  80  83  79
20 FT wind dir..W   W   W   W   W   SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..8   8   5   5   5   3   3   3   5   5   5   3
20 FT wind gust.13  13  7   7   7   6   6   6   7   7   7   6
Mix hgt (kft)...5.6 5.6 1.9 1.9 1.9 1.4 1.4 1.4 1.4 1.4 1.4 1.4
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.8   8   8   8   8   7   7   7   7   7   7   8

.MONDAY...

Sky/weather.........Partly cloudy then becoming sunny.
CWR.................0 percent.
Max temperature.....Around 84.
Min humidity........17 percent.
Wind (20 ft)........Variable 1 to 3 mph...becoming west 5 to 7 mph
                    early in the afternoon.
Mixing height.......1400-1800 ft AGL increasing to 4600-6500 ft
                    AGL.
Transport winds.....West 8 to 14 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........29  29  25  25  25  5   5   5   0   0   0   2
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............47  50  55  61  67  73  77  80  82  84  84  83
RH..............74  68  59  48  39  30  24  20  17  15  16  18
20 FT wind dir..SW  SW  W   W   W   NW  NW  NW  W   W   W   W
20 FT wind spd..3   3   1   1   1   3   3   3   5   5   5   6
20 FT wind gust.6   6   3   3   3   7   7   7   12  12  12  15
Mix hgt (kft)...1.4 1.4 1.8 1.8 1.8 3.7 3.7 3.7 6.5 6.5 6.5 4.6
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.8   8   8   8   8   12  12  12  12  12  12  14

$$
Forecaster...Swafford
Requested by...Adrienne Kovasi
Type of request...PRESCRIBED
.TAG 2515985.0/EKA
.DELDT 06/14/25
.EMAIL adrienne.kovasi@usda.gov