703
FNUS75 KBOI 051201
FWSBOI

Spot Forecast for High Valley RX...USFS
National Weather Service Boise ID
601 AM MDT Thu Jun 5 2025

Forecast is based on ignition time of 0630 MDT on June 05.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (208)334-9060, if you have questions
or concerns with this forecast.

...DRY WITH WARMING TEMPERATURES THROUGH THE WEEKEND...

.DISCUSSION...
A weak low pressure system over the region will support cumulus
buildups this afternoon while shower development stays to the east
of the burn site. The chance of a shower at over the burn is less
than 10% this afternoon. Dry conditions will prevail through the
weekend as a ridge of high pressure builds into the Pacific Northwest.
Temperatures will warm into the mid-upper 80s with low relative
humidity values and poor overnight recoveries along midslopes and
ridgelines. Winds will generally be light, though overnight drainage
winds could become gusty.


.REST OF TODAY...

Sky/weather.........Sunny in the morning, then becoming partly cloudy
                    in the afternoon.
Max temperature.....70 to 75.
Min humidity........24 to 29 percent.
CWR.................0 percent.
Wind - 20 foot......Northeast 3 to 5 mph with gusts to 9 mph in the
                    morning shifting to the west-northwest 3 to 5 mph
                    in the afternoon.
Mixing height.......9500 ft AGL.
Transport winds.....West around 5 mph.
Ventilation Index...475 fair.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....46 to 53.
Max humidity........40 to 45 percent.
CWR.................0 percent.
Wind - 20 foot......West-northwest 3 to 5 mph in the evening becoming
                    northeast 5 to 8 mph with gusts up to 12 mph in the
                    evening.
Mixing height.......100 ft AGL.
Transport winds.....Northeast around 10 mph.
Ventilation Index...10 poor.

.FRIDAY...

Sky/weather.........Sunny in the morning then becoming partly cloudy
                    in the afternoon.
Max temperature.....73 to 78.
Min humidity........21 to 26 percent.
CWR.................0 percent.
Wind - 20 foot......Northeast 3 to 5 mph in the morning shifting to the
                    west around 5 mph in the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....West around 5 mph.
Ventilation Index...350 fair.

$$
Forecaster...Groenert
Requested by...William Sanders
Type of request...PRESCRIBED
.TAG 2515317.1/BOI
.DELDT 06/05/25
.FormatterVersion 2.0.0
.EMAIL william.sanders2@usda.gov