731
FNUS75 KBYZ 290955
FWSBYZ

Spot Forecast for Silver Run...MT-CGF
National Weather Service Billings MT
355 AM MDT Tue Jul 29 2025

Forecast is based on forecast start time of 0700 MDT on July 29.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...
Expect cooler temps and higher humidities today than Monday, along
with a greater chance of afternoon and evening thunderstorms.
Storms are expected to develop over the Beartooths between 1-2pm,
and they will be WET, with the potential to produce heavy rain and
erratic wind gusts. Look for more wet storms on Wednesday, along
with persistent high humidity. The probability of rainfall
exceeding a quarter inch is 35% today and 45% Wednesday.

.TODAY...

Sky/weather.........Sunny early, then becoming mostly cloudy.
                    Showers and thunderstorms likely in the
                    afternoon (after 1pm). Some storms may be
                    severe with heavy rain and erratic wind gusts.
CWR.................60 percent.
Chance of lightning.60 percent.
Max temperature.....66-70.
Min humidity........53-57 percent.
Wind (20 ft)........
 Slope/valley.......Downvalley early, then upvalley 5-10 mph with
                    afternoon gusts to 18 mph.
 Ridgetop...........Southwest to west 5-10 mph.
Mixing height.......Increasing to 3500 ft AGL.
Transport winds.....East to southeast 10 mph.

.TONIGHT...

Sky/weather.........Mostly cloudy with showers and thunderstorms
                    likely in the evening, then turning partly
                    cloudy. Some storms may be severe with heavy
                    rain and erratic wind gusts.
CWR.................50 percent.
Chance of lightning.50 percent.
Min temperature.....46-50.
Max humidity........Above 90 percent.
Wind (20 ft)........
 Slope/valley.......West 5-10 mph. Highly variable winds in the
                    evening due to thunderstorm activity.
 Ridgetop...........Southeast to south 5-10 mph.
Mixing height.......Decreasing to 900 ft AGL.
Transport winds.....West 7 mph.

.WEDNESDAY...

Sky/weather.........Partly sunny with a slight chance of showers
                    and thunderstorms in the morning, then mostly
                    cloudy with showers and thunderstorms likely
                    in the afternoon. Some storms may be severe
                    with heavy rain and erratic wind gusts.
CWR.................70 percent.
Chance of lightning.60 percent.
Max temperature.....64-68.
Min humidity........68-72 percent.
Wind (20 ft)........
 Slope/valley.......East 5-10 mph. Afternoon gusts to 15 mph.
 Ridgetop...........Southeast to south 5-10 mph.
Mixing height.......Increasing to 3000 ft AGL.
Transport winds.....East to southeast 10 mph.

$$
Forecaster...Lester
Requested by...Incident Commander
Type of request...WILDFIRE
.TAG 2518732.2/BYZ
.DELDT 07/29/25
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov