200
FNUS75 KBYZ 022358
FWSBYZ

Spot Forecast for Pryor Dump Inc. 698...BIA
National Weather Service Billings MT
558 PM MDT Sat Aug 2 2025

Forecast is based on forecast start time of 1800 MDT on August 02.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

After the thunderstorm currently near the site, the chance for
additional showers and storms this evening drops to around 15%. Any
storms will have the potential for gusty and erratic winds, most
commonly around 30 mph, although there is a 10% chance for gusts
stronger than 50 mph. For Sunday, showers and thunderstorms are
most likely to begin in the late afternoon.

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Scattered thunderstorms and chance of rain
                    showers in the evening, then slight chance of
                    rain showers overnight.
CWR.................30 percent.
Chance of lightning.29 percent.
Min temperature.....55-59.
Max humidity........78-82 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph with gusts to around
                    25 mph. Gusty and erratic winds expected near
                    thunderstorms in the evening.
 Ridgetop...........West around 10 mph.
Mixing height.......9300 ft AGL early in the evening decreasing to
                    800 ft AGL overnight.
Transport winds.....West around 10 mph.

.SUNDAY...

Sky/weather.........Mostly sunny. Slight chance of rain showers and
                    isolated thunderstorms in the afternoon.
CWR.................5 percent.
Chance of lightning.15 percent.
Max temperature.....80-84.
Min humidity........29-33 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 8 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
 Ridgetop...........West around 15 mph.
Mixing height.......800 ft AGL early in the morning increasing to
                    9100 ft AGL in the afternoon.
Transport winds.....West around 10 mph.

$$
Forecaster...Archer
Requested by...Elizabeth King
Type of request...WILDFIRE
.TAG 2519100.0/BYZ
.DELDT 08/02/25
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov