509 
FNUS75 KBYZ 232034
FWSBYZ

Spot Forecast for Marvell...BLM
National Weather Service Billings MT
234 PM MDT Sat Aug 23 2025

Forecast is based on forecast start time of 1500 MDT on August 23. 
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions or concerns with 
this forecast.

.DISCUSSION...
Clear and dry weather with easterly winds will continue at the
fire site through Sunday. There will be a modest increase in
ridgetop winds this evening, with gusts to 20 mph.

.REST OF TODAY...

Sky/weather.........Sunny. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....72-75. 
Min humidity........34-38 percent. 
Wind (20 ft)........ 
 Slope/valley.......East 8-12 mph gusting to 15 mph. 
 Ridgetop...........East 10-15 mph. 
Mixing height.......5500 ft AGL.
Transport winds.....East 12 mph. 

.TONIGHT...

Sky/weather.........Clear. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....49-53. 
Max humidity........59-63 percent. 
Wind (20 ft)........ 
 Slope/valley.......East 5-10 mph. 
 Ridgetop...........East 10-15 mph. Gusts near 20 mph in the evening.
Mixing height.......Decreasing to 500 ft AGL overnight. 
Transport winds.....East 12 mph. 

.SUNDAY...

Sky/weather.........Sunny. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....71-75. 
Min humidity........29-33 percent. 
Wind (20 ft)........ 
 Slope/valley.......East 6-12 mph. 
 Ridgetop...........East 10-15 mph. 
Mixing height.......Increasing to 6000 ft AGL in the afternoon. 
Transport winds.....East 11 mph. 

$$
Forecaster...Lester
Requested by...IC
Type of request...WILDFIRE
.TAG 2520485.1/BYZ
.DELDT 08/23/25
.FormatterVersion 2.0.0
.EMAIL mtmcc@firenet.gov