557
FNUS75 KBOI 141111
FWSBOI

Spot Forecast for High Valley RX...USFS
National Weather Service Boise ID
511 AM MDT Wed May 14 2025

Forecast is based on ignition time of 0601 MDT on May 14.
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.

...SCATTERED SHOWERS AND ISOLATED THUNDER TODAY...
...SLIGHT CHANCE OF PRECIP FRIDAY BECOMING LIKELY BY SATURDAY...

.DISCUSSION...
Scattered showers with isolated thunderstorms in the area this
afternoon as an upper low moves eastward. Outflows up to 35 mph
possible, but thunder chances are much lower than previous days.
General gustiness up to 18 mph through this evening, calming by
Thursday. A weak wave Friday will be enough for a 30% chance of
precip (10% CWR), but followed quickly by a stronger system with
showers and storms likely on Saturday. Temperatures hold mostly
steady over the next three days.

.REST OF TODAY...

Sky/weather.........Partly sunny. Scattered rain showers and a
                    slight chance of thunderstorms in the
                    afternoon. Chance of precipitation 30 percent.
Max temperature.....53 to 58.
Min humidity........48 to 53 percent.
CWR.................10 percent.
Wind - 20 foot......Northwest 3 to 7 mph. Gusts up to 14 mph in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....Northwest around 15 mph.
Ventilation Index...825 excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy in the evening then becoming
                    partly cloudy overnight.
Min temperature.....34 to 39.
Max humidity........73 to 91 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 3 to 7 mph. Gusts up to 14 mph in the
                    evening.
Mixing height.......100 ft AGL.
Transport winds.....Northwest around 5 mph.
Ventilation Index...5 poor.

.THURSDAY...

Sky/weather.........Mostly sunny.
Max temperature.....54 to 59.
Min humidity........38 to 43 percent.
CWR.................0 percent.
Wind - 20 foot......West around 5 mph.
Mixing height.......6000 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...600 good.

$$
Forecaster...Macfarlane
Requested by...William Sanders
Type of request...PRESCRIBED
.TAG 2513713.3/BOI
.DELDT 05/14/25
.FormatterVersion 2.0.0
.EMAIL william.sanders2@usda.gov,christopher.hightower@gmail.ov,justin.yankey@usda.gov,sam.lewis@usda.gov