FNUS75 KBOI 191144

FWSBOI



Spot Forecast for Jarbidge Tumbleweed Rx...BLM

National Weather Service Boise ID

544 AM MDT Thu Mar 19 2026



Forecast is based on ignition time of 0600 MDT on March 19. 

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.



...RECORD HIGH TEMPERATURES WITH VERY DRY AND BREEZY CONDITIONS...

...COOLER AND WETTER STARTING SATURDAY...



.DISCUSSION...

High pressure will bring very warm, record high temperatures to 

the area today and tomorrow. Temperatures will exceed 75F by early

afternoon, cooling after sunset. Minimum relative humidity values

will deep into the low teens during the peak burning period, with

moderate overnight recoveries. Westerly winds will be breezy, 

with afternoon gusts up to 20 mph. A cold front will bring breezy 

winds and much lower temperatures on Saturday, with dry and mild 

conditions expected Sunday and Monday. 



.TODAY...



Sky/weather.........Sunny. 

Max temperature.....77 to 82. 

Min humidity........15 to 20 percent. 

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

Wind - 20 foot......West 8 to 12 mph with afternoon gusts up to 20 mph. 

Mixing height.......5000 ft AGL. 

Transport winds.....West around 15 mph. 

Ventilation Index...750 excellent. 



.TONIGHT...



Sky/weather.........Partly cloudy. 

Min temperature.....46 to 51. 

Max humidity........45 to 55 percent. 

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

Wind - 20 foot......South 4 to 10 mph. 

Mixing height.......200 ft AGL. 

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

Ventilation Index...10 poor. 



.FRIDAY...



Sky/weather.........Mostly sunny. 

Max temperature.....79 to 84. 

Min humidity........16 to 21 percent. 

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

Wind - 20 foot......Southwest 4 to 10 mph in the morning shifting 

                    to the northeast in the afternoon. 

Mixing height.......5500 ft AGL. 

Transport winds.....South around 10 mph. 

Ventilation Index...550 good. 



$$



Forecaster...Adams

Requested by...Matt Goodrich

Type of request...PRESCRIBED

.TAG 2606317.0/BOI

.DELDT 03/19/26

.FormatterVersion 2.0.0

.EMAIL mgoodrich@blm.gov