479
FNUS75 KBOI 061003
FWSBOI

Spot Forecast for 2024 Rookie School...SIIDC
National Weather Service Boise ID
403 AM MDT Thu Jun 6 2024

Forecast is based on ignition time of 0800 MDT on June 06.
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.

...WARMER TODAY A SLIGHT CHANCE OF THUNDERSTORMS WITH GUSTY WINDS...

.DISCUSSION...
Increasing moisture aloft and daytime instability will bring a
slight chance of showers and thunderstorms today. The thunderstorms
will be capable of producing gusty and erratic outflow winds to
around 40 mph. The burn site is expected to remain dry Friday and
Saturday though cumulus buildups are possible with thunderstorm
development possible over higher peaks to the east. Temperatures
will warm through Saturday which will be the hottest day. The chance
of showers and thunderstorms returns on Sunday as a low pressure
system moves into the Intermountain Northwest. Winds will be light
outside of nearby thunderstorms.

.REST OF TODAY...

Sky/weather.........Mostly sunny. Isolated showers and
                    thunderstorms in the afternoon. Some
                    thunderstorms may produce gusty winds in the
                    afternoon. Chance of precipitation 20 percent.
Max temperature.....75 to 80.
Min humidity........26 to 31 percent.
CWR.................10 percent.
LAL.................1 early in the morning increasing to 2 in the
                    afternoon.
Wind - 20 foot......South 4 to 7 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......7500 ft AGL.
Transport winds.....West around 10 mph.
Haines Index........4 low.
Ventilation Index...750 excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy with a 20 percent chance of
                    showers and thunderstorms in the evening, then
                    partly cloudy overnight. Some thunderstorms may
                    produce gusty winds in the evening.
Min temperature.....47 to 52.
Max humidity........65 to 74 percent.
CWR.................10 percent.
LAL.................2 in the evening decreasing to 1 overnight.
Wind - 20 foot......Southwest 4 to 7 mph becoming northwest around
                    4 mph after 10PM local. Gusty and erratic winds
                    expected near thunderstorms in the evening.
Mixing height.......500 ft AGL.
Transport winds.....North around 5 mph.
Haines Index........3 very low.
Ventilation Index...25 poor.

.FRIDAY...

Sky/weather.........Mostly sunny.
Max temperature.....76 to 81.
Min humidity........30 to 35 percent.
CWR.................10 percent.
LAL.................1.
Wind - 20 foot......North-northwest 4 to 7 mph.
Mixing height.......8500 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........4 low.
Ventilation Index...1275 excellent.

$$
Forecaster...Groenert
Requested by...Adam Benkula
Type of request...PRESCRIBED
.TAG 2415602.0/BOI
.DELDT 06/06/24
.FormatterVersion 2.0.0
.EMAIL idscc@firenet.gov