311
FNUS75 KBYZ 161231
FWSBYZ

Spot Forecast for Dry Head Fire...NPS
National Weather Service Billings MT
631 AM MDT Sat Aug 16 2025

Forecast is based on forecast start time of 0700 MDT on August 16.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

The main threat with afternoon showers or thunderstorms today and
Sunday is gusty and erratic winds to 25 to 35 mph. The most likely
timeframe (15% chance) for showers or storms today is from 1400 to
2000 MDT. Otherwise, conditions today and Sunday will be similar
to Friday.

.TODAY...

Sky/weather.........Mostly cloudy. Areas of smoke in the morning.
                    Slight chance of showers in the morning and
                    slight chance of showers and thunderstorms in
                    the afternoon.
CWR.................Less than 5 percent.
Chance of lightning.12 percent.
Max temperature.....92-96.
Min humidity........15-19 percent.
Wind (20 ft)........
 Slope/valley.......South winds 5 to 8 mph, gusts to 15 mph. Gusty
                    and erratic winds expected near thunderstorms
                    in the afternoon.
 Ridgetop...........South around 15 mph.
Mixing height.......1600 ft AGL early in the morning increasing to
                    10500 ft AGL in the afternoon.
Transport winds.....South around 10 mph.

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
CWR.................0 percent.
Chance of lightning.4 percent.
Min temperature.....62-66.
Max humidity........48-52 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 10 mph.
 Ridgetop...........Southwest around 15 mph.
Mixing height.......6600 ft AGL early in the evening decreasing to
                    1600 ft AGL overnight.
Transport winds.....Southwest around 15 mph.

.SUNDAY...

Sky/weather.........Mostly sunny. Slight chance of showers and
                    thunderstorms in the afternoon.
CWR.................Less than 10 percent.
Chance of lightning.15 percent.
Max temperature.....92-96.
Min humidity........13-17 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
 Ridgetop...........Southwest around 15 mph.
Mixing height.......1600 ft AGL early in the morning increasing to
                    9600 ft AGL in the afternoon.
Transport winds.....Southwest around 15 mph.

$$
Forecaster...Archer
Requested by...Paul Hood
Type of request...WILDFIRE
.TAG 2519962.1/BYZ
.DELDT 08/16/25
.FormatterVersion 2.0.0
.EMAIL william.basye@nps.gov,paul_hood@nps.gov