461
FNUS75 KBYZ 031832
FWSBYZ

Spot Forecast for Little Spear...BIA
National Weather Service Billings MT
1232 PM MDT Sun Aug 3 2025

Forecast is based on forecast start time of 1200 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...

An isolated shower and thunderstorm is possible this afternoon
beginning around 1400-1500 MDT, lasting through around 2200 MDT
this evening. Main concern with any thunderstorm that forms will be
gusty and erratic wind gusts 35-45 mph. Stronger and more numerous
showers and thunderstorms are expected to develop late Monday
afternoon (around 1600-1800 MDT). The main threats with these storms
will be strong wind gusts up to 60 mph and large hail.

.REST OF TODAY...

Sky/weather.........Sunny. Isolated showers and thunderstorms in
the evening.
CWR.................Less than 10 percent.
Chance of lightning.13 percent.
Max temperature.....79-83.
Min humidity........29-33 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 10 mph.
 Ridgetop...........West around 15 mph.
Mixing height.......Increasing to 8600 ft AGL in the afternoon.
Transport winds.....Northwest around 12 mph.

.TONIGHT...

Sky/weather.........Partly cloudy. Slight chance of showers and
                    isolated thunderstorms in the evening.
CWR.................Less than 10 percent.
Chance of lightning.16 percent.
Min temperature.....59-63.
Max humidity........62-66 percent.
Wind (20 ft)........
 Slope/valley.......West winds up to 5 mph shifting to the south 5
                    to 6 mph overnight. Gusty and erratic winds
                    expected near thunderstorms in the evening.
 Ridgetop...........West transitioning southeast around 15 to 20 mph.
Mixing height.......Decreasing to 400 ft AGL overnight.
Transport winds.....Southeast around 9 mph.

.MONDAY...

Sky/weather.........Sunny. Scattered showers and thunderstorms in the
evening.
CWR.................Less than 10 percent.
Chance of lightning.15 percent.
Max temperature.....86-90.
Min humidity........23-27 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 8 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 14 mph.

$$
Forecaster...Stetzer
Requested by...Elizabeth King
Type of request...WILDFIRE
.TAG 2519151.0/BYZ
.DELDT 08/03/25
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov