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FNUS75 KBYZ 050005
FWSBYZ

Spot Forecast for Three Bar Corral Fire...Powder River Sheriff
National Weather Service Billings MT
605 PM MDT Fri Sep 4 2026

Forecast is based on forecast start time of 1800 MDT on September 04.
If conditions become unrepresentative...contact the National Weather
Service.

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

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

.DISCUSSION...

Winds will decrease after sunset and overnight RH recoveries will be
poor. Saturday remains hot and dry, with minRH in the teens. Winds
will turn out of the northeast late afternoon/early evening Saturday.
The most likely timeframe is between 1700 and 1900 MDT. With this
change, moisture will move in and allow for better overnight RH
recoveries. There is a very low chance (<10%) for an isolated shower
to move near the fire Saturday evening. Archer

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....55-59.
Max humidity........40-44 percent.
Wind (20 ft)........
 Slope/valley.......South winds 6 to 10 mph with gusts to 20 mph in the
evening becoming light.
 Ridgetop...........South around 20 mph becoming light.
Mixing height.......Decreasing to 400 ft AGL overnight.
Transport winds.....South around 20 mph becoming light.

.SATURDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....89-93.
Min humidity........16-20 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 8 mph becoming northeast 8 to
12 mph late afternoon.
 Ridgetop...........Southwest around 10 mph becoming northeast 15 to
25 mph late afternoon.
Mixing height.......Increasing to 9500 ft AGL in the afternoon.
Transport winds.....Southwest around 10 mph becoming northeast around
15 mph late afternoon.

.SATURDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.2 percent.
Min temperature.....57-61.
Max humidity........67-71 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 8 to 12 mph with gusts up to 20 mph
    in the evening becoming light.
 Ridgetop...........Northeast 15 to 25 mph becoming light.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....Northeast around 15 mph becoming south 5 to 10 mph.

$$
Forecaster...Archer
Requested by...Shannon
Type of request...WILDFIRE
.TAG 2621239.0/BYZ
.DELDT 09/04/26
.FormatterVersion 2.0.0
.EMAIL slloyd@prcsheriff.com,sknapp@prcsheriff.com