369
FNUS75 KBYZ 151729
FWSBYZ

Spot Forecast for Circle Bar...BLM
National Weather Service Billings MT
1129 AM MDT Thu Aug 15 2024

Forecast is based on forecast start time of 1100 MDT on August 15.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Upper air high pressure will bring mostly clear skies to the fire
today and tonight. Friday will be warmer with lower minimum
relative humidity and a 30% chance of showers and thunderstorms in
the afternoon. Main hazards from the thunderstorms will be
lightning and gusty, erratic winds. The chance of a wetting rain
is low.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....81-85.
Min humidity........23-27 percent.
Wind (20 ft)........
 Slope/valley.......North/northwest winds 8 to 12 mph.
 Ridgetop...........North/northwest 8-12 mph.
Mixing height.......Increasing to 10400 ft AGL in the afternoon.
Transport winds.....Northwest around 10 mph.
Haines index........3.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Min temperature.....56-60.
Max humidity........67-71 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 9 mph in the evening
                    becoming light and variable overnight.
 Ridgetop...........Northeast winds 5 to 9 mph in the evening
                    becoming light and variable overnight.
Mixing height.......10400 ft AGL early in the evening decreasing to
                    500 ft AGL overnight.
Transport winds.....East around 10 mph.

.FRIDAY...

Sky/weather.........Mostly sunny. Haze in the morning.
                    Chance of showers and thunderstorms in the
                    afternoon.
CWR.................10 percent.
LAL.................2...1 to 8 strikes/15 min/cell.
Max temperature.....87-91.
Min humidity........18-22 percent.
Wind (20 ft)........
 Slope/valley.......Light and variable before 9 AM MDT, then
                    east/northeast 8-12 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
 Ridgetop...........Light and variable before 9 AM MDT, then
                    east/northeast 8-12 mph.
Mixing height.......500 ft AGL increasing to 11000 ft AGL in the
                    afternoon.
Transport winds.....East/southeast around 10 mph, becoming
                    west/southwest around 5 mph in the afternoon.
Haines index........3.

$$
Forecaster...Setzenfand
Requested by...Deklau
Type of request...WILDFIRE
.TAG 2420300.0/BYZ
.DELDT 08/15/24
.FormatterVersion 2.0.0
.EMAIL mtmcc@firenet.gov