FNUS75 KBOI 211221
FWSBOI

Spot Forecast for Idaho City RD Pile Burn - Bannock...USFS
National Weather Service Boise ID
521 AM MST Thu Nov 21 2024

Forecast is based on ignition time of 0600 MST on November 21. 
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.

...PERIODS OF RAIN THROUGH FRIDAY...

.DISCUSSION...
A strong Pacific storm will continue to bring wetting rain 
through Friday. Winds will be breezy at times, mainly today. Low
mixing heights will result in poor ventilation. 

.TODAY...

Sky/weather.........Rain. Chance of rain near 100 percent. 
Max temperature.....40 to 45. 
Min humidity........79 to 84 percent. 
CWR.................90 percent. 
Wind - 20 foot......East 4 to 8 mph with gusts to around 16 mph. 
Mixing height.......1000 ft AGL. 
Transport winds.....South around 10 mph. 
Haines Index........2 very low. 
Ventilation Index...100 poor. 

.TONIGHT...

Sky/weather.........Rain. Chance of rain near 100 percent. 
Min temperature.....33 to 38. 
Max humidity........95 to 100 percent. 
CWR.................80 percent. 
Wind - 20 foot......Southeast 3 to 6 mph. Gusts up to 14 mph in the 
                    evening. 
Mixing height.......300 ft AGL. 
Transport winds.....Southeast around 5 mph. 
Haines Index........2 very low. 
Ventilation Index...15 poor. 

.FRIDAY...

Sky/weather.........Rain. Chance of rain 90 percent. 
Max temperature.....47 to 52. 
Min humidity........61 to 66 percent. 
CWR.................60 percent. 
Wind - 20 foot......Southeast 3 to 6 mph. 
Mixing height.......1000 ft AGL. 
Transport winds.....South around 5 mph. 
Haines Index........2 very low. 
Ventilation Index...50 poor. 

$$
Forecaster...Wojcik
Requested by...Randy Lamb
Type of request...PRESCRIBED
.TAG 2427007.1/BOI
.DELDT 11/21/24
.FormatterVersion 2.0.0
.EMAIL ralph.lamb@usda.gov