FNUS75 KBYZ 240223
FWSBYZ

Spot Forecast for Coal Seam...Northern Cheyenne Agency
National Weather Service Billings MT
823 PM MDT Sun Aug 23 2026

Forecast is based on forecast start time of 2000 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...

A cold frontal passage tonight will increase ridgetop winds to 
around 20 mph during the 5AM-9AM timeframe Monday morning. 
Temperatures will be a few degrees cooler Monday with drier 
conditions. Torgerson 

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy. 
                    Chance of showers and thunderstorms in the evening. 
CWR.................12 percent. 
Chance of lightning.30 percent. 
Min temperature.....62-66. 
Max humidity........64-68 percent. 
Wind (20 ft)........ 
 Slope/valley.......Light terrain driven winds overnight. Gusty and
					erratic winds expected near thunderstorms. 
 Ridgetop...........Northwest around 10 mph. 

.MONDAY...

Sky/weather.........Sunny. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....84-88. 
Min humidity........18-22 percent. 
Wind (20 ft)........ 
 Slope/valley.......Northwest winds 5 to 10 mph. 
 Ridgetop...........North around 20 mph early in the morning becoming
					northwest around 10 mph by late morning through
					the afternoon. 

.MONDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....57-61. 
Max humidity........51-55 percent. 
Wind (20 ft)........ 
 Slope/valley.......Light terrain driven winds overnight. 
 Ridgetop...........Northeast around 10 mph. 

$$
Forecaster...Torgerson
Requested by...Tracy Spang
Type of request...WILDFIRE
.TAG 2620345.0/BYZ
.DELDT 08/23/26
.FormatterVersion 2.0.0
.EMAIL tracy.spang@bia.gov