FNUS75 KBYZ 190045

FWSBYZ



Spot Forecast for Mosier Dome...Carbon County

National Weather Service Billings MT

645 PM MDT Mon Aug 18 2025



Forecast is based on forecast start time of 1900 MDT on August 18. 

If conditions become unrepresentative...contact the National Weather

Service.



Please contact our office if you have questions

or concerns with this forecast.



...HEAT ADVISORY IN EFFECT FROM 9 AM TUESDAY TO 9 PM MDT

WEDNESDAY...



.DISCUSSION...



Slight chance (15%) of showers and thunderstorms before 9 PM this

evening. Thunderstorms could bring gusty and erratic winds with 

gusts to 40 mph. Hot and dry tomorrow with good mixing. No strong 

winds forecast. Torgerson 



.REST OF TONIGHT... 



Sky/weather.........Partly cloudy becoming clear after 12 AM.

					Slight chance of showers and isolated 

					thunderstorms this evening. 

CWR.................5 percent. 

Chance of lightning.15 percent. 

Min temperature.....59-63. 

Max humidity........51-55 percent. 

Wind (20 ft)........ 

 Slope/valley.......East winds 5 to 10 mph becoming light and variable

					after 12 AM. 

 Ridgetop...........Southeast becoming southwest around 15 mph. 

Mixing height.......Decreasing to 500 ft AGL overnight. 

Transport winds.....East becoming southeast around 12 mph. 



.TUESDAY...



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

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

Chance of lightning.0 percent. 

Max temperature.....97-101. 

Min humidity........9-13 percent. 

Wind (20 ft)........ 

 Slope/valley.......Southwest winds 5 to 10 mph. 

 Ridgetop...........Southwest around 10 mph. 

Mixing height.......Increasing to 13800 ft AGL in the afternoon. 

Transport winds.....Southwest around 10 mph. 



$$

Forecaster...Torgerson

Requested by...Tom Kohley

Type of request...WILDFIRE

.TAG 2520180.0/BYZ

.DELDT 08/18/25

.FormatterVersion 2.0.0

.EMAIL tkohley@carbonmt.gov, mtbdc@firenet.gov