FNUS75 KBOI 040740

FWSBOI



Spot Forecast for Warm Springs...Boise NF

National Weather Service Boise ID

140 AM MDT Mon May 4 2026



Forecast is based on ignition time of 0800 MDT on May 04. 

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.



...MOSTLY DRY WITH GUSTY WINDS TODAY AND TUESDAY...



.DISCUSSION...

A dry northerly flow will bring breezy conditions to the region 

today and Tuesday. Daytime heating and instability will support

cumulus buildups today and Tuesday with a 10-15% chance of a  

thunderstorm near the burn site today. Winds will pick up this 

afternoon out of the north, and remain gusty through much of 

tonight. After a brief lull Tuesday morning, the gusty winds 

return Tuesday afternoon. High pressure will build over the 

area Wednesday keeping warm and dry weather in place through

the end of the week.



.TODAY...



Sky/weather.........Sunny in the morning, becoming partly cloudy 

                    in the afternoon. A 10% chance of an afternoon

                    thunderstorm. 

Max temperature.....73 to 78. 

Min humidity........20 to 25 percent. 

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

Wind - 20 foot......North 3 to 5 mph in the morning, becoming northwest 

                    5 to 9 mph with gusts up to 16 mph in the afternoon. 

Mixing height.......9000 ft AGL. 

Transport winds.....Northwest around 10 mph. 

Ventilation Index...900 excellent. 



.TONIGHT...



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

Min temperature.....44 to 49. 

Max humidity........69 to 74 percent. 

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

Wind - 20 foot......North 8 to 13 mph with gusts to around 20 mph. 

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

Transport winds.....North around 15 mph. 

Ventilation Index...30 poor. 



.TUESDAY...



Sky/weather.........Sunny in the morning, becoming partly cloudy 

                    in the afternoon. 

Max temperature.....69 to 74. 

Min humidity........22 to 28 percent. 

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

Wind - 20 foot......North 6 to 10 mph in the morning, becoming 

                    northwest 8 to 13 mph with gusts to 18 mph

                    in the afternoon.  

Mixing height.......9000 ft AGL. 

Transport winds.....North around 20 mph. 

Ventilation Index...1800 excellent. 



$$

Forecaster...Groenert

Requested by...Brogan Alexander

Type of request...PRESCRIBED

.TAG 2612595.0/BOI

.DELDT 05/04/26

.FormatterVersion 2.0.0

.EMAIL b1alexander@blm.gov