FNUS76 KOTX 201849

FWSOTX



Spot Forecast for Gold Run...Idaho Department of Lands

National Weather Service Spokane WA

1149 AM PDT Sat Jun 20 2026



Forecast is based on forecast start time of 1200 PDT on June 20. 



.DISCUSSION...



A dry cold front will result in gusty west winds today, along with 

continued warm and dry conditions. Slight cooling along with increased 

relative humidity is expected behind the front for Sunday. High 

pressure will deliver a warming trend for the early to middle part of

next week as high temperatures reach near 90F for Tuesday and

Wednesday.



If conditions become unrepresentative, contact the National Weather

Service.

***************************************************************

Forecasts for 20 foot wind speeds (valleys and ridge tops) are

10 minute averages reflecting RAWS wind.

***Ventilation Index is derived from transport wind

   multiplied by the mixing height divided by 100.

   Categories: low (< 200), moderate (200-500), 

   high (500-800), and very high (> 800). 

***************************************************************



.REST OF TODAY...



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

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

Chance of lightning.0 percent. 

Max temperature.....Around 83. 

Min humidity........26-30 percent. 

Wind (20 ft)........West 5 to 11 mph with gusts up to 18 mph. 

Mixing height.......7000 ft AGL. 

Transport winds.....West 15 to 20 mph. 

Ventilation Index...Very high (1288). 



.TONIGHT...



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

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

Chance of lightning.0 percent. 

Min temperature.....Around 49. 

Max humidity........70 percent. 

Wind (20 ft)........West winds 5 to 8 mph with gusts to around 

                    16 mph through 2000 then downslope/downvalley

                    2 to 5 mph. 

Mixing height.......6000 ft AGL through 2000 then falling to near

                    surface. 

Transport winds.....West 15 to 20 mph through 2000 then southwest

                    around 5 mph. 

Ventilation Index...Very high (1199) decreasing to low (37) 

                    near 2000. 



.SUNDAY...



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

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

Chance of lightning.0 percent. 

Max temperature.....Around 79. 

Min humidity........25-30 percent. 

Wind (20 ft)........Downslope/downvalley 2 to 5 mph through 0900

                    then west wind 5 to 10 mph. Gusts up to 16

                    mph in the afternoon. 

Mixing height.......Near the surface through 0800 then increasing 

                    to 7500 ft AGL in the afternoon. 

Transport winds.....Southwest around 5 mph through 0900 then west 

                    10 to 15 mph. 

Ventilation Index...Low (50) through 0800 increasing to very 

                    high (1009) in the afternoon. 



$$

Forecaster...JW

Requested by...SITL

Type of request...WILDFIRE

.TAG 2615774.2/OTX

.DELDT 06/20/26

.FormatterVersion 2.0.0

.EMAIL amoore@idl.idaho.gov