858
FNUS75 KBYZ 040345
FWSBYZ

Spot Forecast for Little Spear...BIA
National Weather Service Billings MT
945 PM MDT Sun Aug 3 2025

Forecast is based on forecast start time of 2200 MDT on August 03.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

The chance of any showers or thunderstorms impacting the site
tonight continues to decrease and is now less than 10% through 2300
MDT, with the main threat wind gusts of 35 to 45 mph. Otherwise,
the forecast remains unchanged. Monday will have stronger and more
numerous storms, some possibly severe, beginning as early as 1600
MDT. The main threat with storms Monday will be strong and erratic
wind gusts up to 60 mph and large hail.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy. Slight chance of showers and
                    isolated thunderstorms in the evening.
CWR.................Less than 5 percent.
Chance of lightning.9 percent.
Min temperature.....59-63.
Max humidity........62-66 percent.
Wind (20 ft)........
 Slope/valley.......South winds 5 to 8 mph. Gusty and erratic winds
                    expected near thunderstorms.
 Ridgetop...........Southeast around 15 to 20 mph.
Mixing height.......Decreasing to 400 ft AGL overnight.
Transport winds.....Southeast around 10 mph.

.MONDAY...

Sky/weather.........Mostly sunny. Scattered showers and thunderstorms
                    in the evening.
CWR.................Less than 10 percent.
Chance of lightning.7 percent.
Max temperature.....85-89.
Min humidity........24-28 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms in the evening.
 Ridgetop...........South around 10 to 15 mph.
Mixing height.......Increasing to 9300 ft AGL in the afternoon.
Transport winds.....Southeast around 17 mph.

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy. Scattered thunderstorms and chance
                    of rain showers in the evening, then slight
                    chance of rain showers overnight.
CWR.................14 percent.
Chance of lightning.34 percent.
Min temperature.....57-61.
Max humidity........77-81 percent.
Wind (20 ft)........
 Slope/valley.......East winds 5 to 10 mph with gusts to around 20
                    mph shifting to the southwest after 3 am. Gusty
                    and erratic winds expected near thunderstorms
                    in the evening.
 Ridgetop...........South around 10 mph.
Mixing height.......9400 ft AGL early in the evening decreasing to
                    300 ft AGL overnight.
Transport winds.....South around 20 mph.

$$
Forecaster...Archer
Requested by...Elizabeth King
Type of request...WILDFIRE
.TAG 2519176.3/BYZ
.DELDT 08/03/25
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov