663
FNUS75 KBOI 181001
FWSBOI

Spot Forecast for Robinson RX...Payette NF
National Weather Service Boise ID
401 AM MDT Sat May 18 2024

Forecast is based on ignition time of 0700 MDT on May 18.
If conditions become unrepresentative...contact the National Weather
Service.

...GUSTY WINDS TONIGHT AND SUNDAY...

.DISCUSSION...
Colder and dry conditions today under a weak upper level trough. RHs
will once again drop into the upper teens this afternoon. Another dry
cold frontal passage is expected early Sunday. The front is expected
to reach the burn site between 9 PM MDT Saturday and midnight MDT Sunday.
Expect northwest winds with gusts up to 40 MPH from 9 PM MDT through 3 AM
MDT Sunday. Gusts will diminish before sunrise but will return Sunday
afternoon though should remain below 20 MPH.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....52 to 57.
Min humidity........18 to 23 percent.
CWR /0.10 inch/.....0 percent.
LAL.................1.
Wind - eye level....Southwest up to 7 mph. Gusts up to 17 mph in the
                    afternoon.
Mixing height.......8000 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........3 very low.
Ventilation index...1200 excellent.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....27 to 32.
Max humidity........71 to 76 percent.
CWR /0.10 inch/.....0 percent.
LAL.................1.
Wind - eye level....Northwest 10 to 15 mph. Gusts up to 25 mph in
                    the evening, increasing to 40 mph after
                    midnight, then, decreasing to 20 mph early in
                    the morning.
Mixing height.......200 ft AGL.
Transport winds.....Northwest around 20 mph.
Haines Index........3 very low.
Ventilation index...40 poor.

.SUNDAY...

Sky/weather.........Sunny.
Max temperature.....45 to 50.
Min humidity........30 to 35 percent.
CWR /0.10 inch/.....0 percent.
LAL.................1.
Wind - eye level....Northwest 9 to 13 mph. Gusts up to 17 mph in
                    the afternoon.
Mixing height.......6500 ft AGL.
Transport winds.....Northwest around 15 mph.
Haines Index........2 very low.
Ventilation index...975 excellent.

$$
Forecaster...Smith
Requested by...Andy Geringer
Type of request...PRESCRIBED
.TAG 2414061.1/BOI
.DELDT 05/18/24
.FormatterVersion 2.0.0
.EMAIL andrew.geringer@usda.gov