533
FNUS75 KBYZ 302333
FWSBYZ

Spot Forecast for Whistling Water Loop...MT-BDC
National Weather Service Billings MT
533 PM MDT Thu Jul 30 2026

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...
Dry conditions with southeast winds and a moderate RH recovery
are expected tonight (isolated evening t-storms should stay to the
west and northwest of the fire). There is a low risk of light
showers Friday morning, otherwise tomorrow will be a little hotter
and drier than today. Saturday is looking very hot & dry (highs
over 100F and min RHs to 10%) with mixed southerly winds gusting
near 20 mph.

.TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.5 percent.
Min temperature.....61-65.
Max humidity........64-68 percent.
Wind (20 ft)........Southeast 5-10 mph. Gusts to 15 mph in the evening.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....Southeast 8 mph.

.FRIDAY...

Sky/weather.........Partly sunny with isolated showers in the morning,
                    then mostly sunny.
CWR.................Less than 5 percent.
Chance of lightning.10 percent.
Max temperature.....95-99.
Min humidity........18-22 percent.
Wind (20 ft)........Southeast 3-7 mph early becoming northwest 5-10
                    mph by noon. Afternoon gusts to 15 mph.
Mixing height.......Increasing to 12000 ft AGL in the afternoon.
Transport winds.....South 5 mph becoming northwest 12 mph.

.FRIDAY NIGHT...

Sky/weather.........Clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....60-64.
Max humidity........57-61 percent.
Wind (20 ft)........North 5-10 mph becoming southeast 3-7 mph.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....North 10 mph becoming southeast 5 mph.

.SATURDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....102-106.
Min humidity........10-14 percent.
Wind (20 ft)........Southeast to south 6-12 mph. Afternoon gusts
                    to 18 mph.
Mixing height.......Increasing to 13500 ft AGL in the afternoon.
Transport winds.....South 12 mph.

$$
Forecaster...Lester
Requested by...Noonan Phifer
Type of request...WILDFIRE
.TAG 2618703.0/BYZ
.DELDT 07/30/26
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov