776
FNUS75 KBYZ 310031
FWSBYZ

Spot Forecast for Colester...BLM
National Weather Service Billings MT
631 PM MDT Wed Jul 30 2025

Forecast is based on forecast start time of 1800 MDT on July 30.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Active weather is expected during the period with persistent chances for
showers and thunderstorms. Heavy rain will be a threat with these storms.
There is a 55% chance of getting greater than 0.25 inches of rain
through Thursday night. RH recoveries will be excellent. Surface winds
increase Thursday before decreasing Thursday night. Ridgetop winds
increase Thursday night. Torgerson

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of showers and
                    thunderstorms this evening, then slight
                    chance of rain showers overnight.
CWR.................30 percent.
Chance of lightning.35 percent.
Min temperature.....55-59.
Max humidity........97-100 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 8 mph gusting to 15 mph.
Gusty and erratic winds expected near
thunderstorms in the evening.
 Ridgetop...........Southeast around 15 mph.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....Southeast around 14 mph.

.THURSDAY...

Sky/weather.........Partly sunny. Chance of showers and
                    thunderstorms in the afternoon.
CWR.................5 percent.
Chance of lightning.25 percent.
Max temperature.....82-86.
Min humidity........43-47 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 8 to 12 mph with gusts to
                    around 20 mph. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
 Ridgetop...........South around 20 mph.
Mixing height.......Increasing to 6500 ft AGL in the afternoon.
Transport winds.....Southeast around 13 mph.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy. Chance of showers and
                    thunderstorms in the evening.
CWR.................40 percent.
Chance of lightning.45 percent.
Min temperature.....56-60.
Max humidity........91-95 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 8 to 12 mph gusting to 20 mph
in the evening decreasing to 6 to 10 mph for
the overnight. Gusty and erratic winds expected
near thunderstorms in the evening.
 Ridgetop...........South around 25 mph.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....Southeast around 17 mph.

$$
Forecaster...Torgerson
Requested by...Michael Cobarrubias
Type of request...WILDFIRE
.TAG 2518904.0/BYZ
.DELDT 07/30/25
.FormatterVersion 2.0.0
.EMAIL mtmcc@firenet.gov