177
FNUS75 KBYZ 290111
FWSBYZ

Spot Forecast for Elk Fire...USFS
National Weather Service Billings MT
711 PM MDT Sat Sep 28 2024

Forecast is based on forecast start time of 1900 MDT on September 28.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Generally light southwesterly winds will prevail tonight with
poor relative humidity recovery. Sunday will be hot and dry with
deeply mixed and gusty southwesterly winds ahead of a late evening
cold front. Ridgetop winds look to increase through the afternoon
and early evening before decreasing Sunday night. Sunday night
will see breezy northwesterly winds behind the cold front with
moderate relative humidity recovery. Monday will be dry with
breezy north to northwest winds again, but temperatures will be
much cooler.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Min temperature.....55-59.
Max humidity........25-29 percent.
Wind (20 ft)........
 Slope/valley.......Southwest 7 to 12 mph.
 Ridgetop...........Southwest around 15 mph early becoming
                    20-25 mph by midnight.
Mixing height.......Decreasing to 700 ft AGL.
Transport winds.....Southwest 15-20 mph.

.SUNDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....76-80.
Min humidity........12-16 percent.
Wind (20 ft)........
 Slope/valley.......Southwest 10 to 15 mph with gusts to
                    around 25 mph in the afternoon.
 Ridgetop...........Southwest to west 20 to 30 mph.
Mixing height.......Increasing to 10000 ft AGL.
Transport winds.....Southwest around 25 mph.
Haines index........5.

.SUNDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Min temperature.....33-37.
Max humidity........41-45 percent.
Wind (20 ft)........
 Slope/valley.......West 10 to 15 mph with gusts to around 25
                    mph early becoming northwest 8 to 12 mph
                    with gusts to 20 mph after midnight.
 Ridgetop...........West around 35 mph early becoming 20 mph
                    after midnight.
Mixing height.......Decreasing to 700 ft AGL.
Transport winds.....Northwest around 18 mph.

.MONDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....48-52.
Min humidity........25-29 percent.
Wind (20 ft)........
 Slope/valley.......North to northwest 8 to 12 mph with gusts to
                    around 20 mph.
 Ridgetop...........West around 15 mph.
Mixing height.......Increasing to 5000 ft AGL.
Transport winds.....Northwest around 15 mph.
Haines index........2.

$$
Forecaster...Lester/Arends
Requested by...TRAVIS PARDUE
Type of request...WILDFIRE
.TAG 2423166.1/BYZ
.DELDT 09/28/24
.FormatterVersion 2.0.0
.EMAIL travis.pardue@wyo.gov