496
FNUS75 KBYZ 210450
FWSBYZ

Spot Forecast for Windmill fire...CFR
National Weather Service Billings MT
1050 PM MDT Thu Aug 20 2026

Forecast is based on forecast start time of 2300 MDT on August 20.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...
Expect northerly winds overnight at the fire site from 8-11
mph...becoming 5-8 mph late. Overnight RH is expected to recover
to the 40s range late. Skies will be partly cloudy and hazy from
smoke. BT


.REST OF TONIGHT...

Sky/weather.........Mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....58-63.
Max humidity........43-49 percent.
Wind (20 ft)........
 Slope/valley.......Light winds (8-11 early...5-8 mph late)...primarily from the north.
 Ridgetop...........West around 5-10 mph.
Mixing height.......500 ft AGL early in the evening decreasing to
                    400 ft AGL overnight.
Transport winds.....North around 7 mph.

$$
Forecaster...Tesar
Requested by...Lacy
Type of request...WILDFIRE
.TAG 2620154.0/BYZ
.DELDT 08/20/26
.FormatterVersion 2.0.0
.EMAIL ndylacy@yahoo.com