853
FNUS75 KBYZ 132153
FWSBYZ

Spot Forecast for Pony Creek...MTMCC
National Weather Service Billings MT
353 PM MDT Wed Aug 13 2025

Forecast is based on forecast start time of 1600 MDT on August 13.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Warm and dry conditions will persist at the site today through
Thursday. Minimum RH values will be in the mid-teens to 20 percent
today. Expect deep mixing today. Thursday will be similar to
today, with minimum RH values around 20 to 25 percent. A dry
frontal passage is expected after 6 AM Thursday morning, winds are
expected to shift from the west/southwest to the north. The chance
for precipitation is very low (less than 15%) throughout the
forecast period. Matos

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....93-97.
Min humidity........13-17 percent.
Wind (20 ft)........
 Slope/valley.......West winds up to 8 mph, gusts to 15 mph.
 Ridgetop...........West around 8 mph, gusts to 15 mph.
Mixing height....... 14200 ft AGL.
Transport winds.....West around 21 mph.

.TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.2 percent.
Min temperature.....65-69.
Max humidity........39-44 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds up to 7 mph.
Winds will shift to the north around/after
6 AM Thursday.
 Ridgetop...........Sothwest around 10 mph.
Mixing height.......Decreasing to 400 ft AGL overnight.
Transport winds.....West around 11 mph.

.THURSDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....85-90.
Min humidity........21-25 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds up to 8 mph. Becoming
northeasterly in the afternoon. Gusts to 15 mph.
 Ridgetop...........Northwest around 8 to 10 mph. Becoming northeasterly
in the afternoon. Gusts to 15 mph.
Mixing height.......Increasing to 8100 ft AGL in the afternoon.
Transport winds.....Northwest around 14 mph.

$$
Forecaster...Matos
Requested by...MTMCC
Type of request...WILDFIRE
.TAG 2519844.0/BYZ
.DELDT 08/13/25
.FormatterVersion 2.0.0
.EMAIL mtmcc@firenet.gov