FNUS75 KBOI 051040

FWSBOI



Spot Forecast for West Lowman Lick Ck 8 RX...USFS

National Weather Service Boise ID

340 AM MST Thu Nov 5 2026



Forecast is based on ignition time of 0600 MST on November 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.



...POOR TO FAIR VENTILATION THIS WEEK THROUGH SATURDAY...

...MINIMAL CHANCE OF SHOWERS TODAY...



.DISCUSSION...

A weak system will move through today, bringing a 10% chance of a

rain/snow mix and cooler temperatures. This system will slightly 

improve ventilation. High pressure will rebuild Friday through the

weekend with dry conditions and temperatures warming to around 10

degrees above normal by Saturday. Ventilation will be poor Friday

and Saturday as the ridge decreases mixing with light winds.



.TODAY...



Sky/weather.........Cloudy in the morning then becoming partly 

                    sunny in the afternoon. A 10 percent chance of 

                    rain and snow showers.

Max temperature.....43 to 48. 

Min humidity........57 to 63 percent. 

CWR.................0 percent. 

Wind - 20 foot......Downslope less than 3 mph in the morning

                    becoming west to southwest 2 to 5 mph in the 

                    afternoon.

Mixing height.......3000 ft AGL. 

Transport winds.....West around 7 mph. 

Ventilation Index...210 fair. 



.TONIGHT...



Sky/weather.........Mostly clear. 

Min temperature.....27 to 32. 

Max humidity........75 to 90 percent. 

CWR.................0 percent. 

Wind - 20 foot......Downslope less than 3 mph. 

Mixing height.......100 ft AGL. 

Transport winds.....East around 5 mph. 

Ventilation Index...5 poor. 



.FRIDAY...



Sky/weather.........Sunny in the morning then becoming partly sunny 

                    in the afternoon. 

Max temperature.....47 to 52. 

Min humidity........35 to 40 percent. 

CWR.................0 percent. 

Wind - 20 foot......Downslope less than 3 mph in the morning

                    becoming west to southwest 2 to 4 mph in the 

                    afternoon.

Mixing height.......2500 ft AGL. 

Transport winds.....Southwest around 5 mph. 

Ventilation Index...125 poor. 



$$

Forecaster...Tangen

Requested by...Gordon Wells

Type of request...PRESCRIBED

.TAG 2625076.4/BOI

.DELDT 11/05/26

.FormatterVersion 2.0.0

.EMAIL gordon.wells@usda.gov