FNUS75 KBYZ 221422
FWSBYZ

Spot Forecast for Lookout...MT-BDC
National Weather Service Billings MT
822 AM MDT Sat Aug 22 2026

Forecast is based on forecast start time of 0800 MDT on August 22. 
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Easterly winds this morning will gradually shift to he
southeast for the afternoon. A disturbance moving through
the region will bring a chance of showers and thunderstorms
this afternoon and evening, decreasing by 0300 MDT tonight.
Thunderstorms will be capable of gusty and erratic winds to
40 mph and heavy rainfall. A low level jet sets up over the 
fire area this evening, shifting to the east overnight. This
will bring breezy winds in the evening, before decreasing
overnight. Moderate RH recoveries can be expected. Northwest
winds will prevail for Sunday as another disturbance moves into
the region. An associated cold front will push through during
the late afternoon and evening bringing another round of showers
and thunderstorms. Strong wind gusts to 60 mph and brief heavy
rain are possible Sunday.

.TODAY...

Sky/weather.........Partly sunny. Increasing clouds. Chance of 
                    showers and thunderstorms after 1300 MDT. 
CWR.................15 percent. 
Chance of lightning.25 percent. 
Max temperature.....85-90. 
Min humidity........28-33 percent. 
Wind (20 ft)........ 
 Slope/valley.......East winds 8 to 16 mph with gusts to 20 
                    mph this morning, becoming southeast
                    6 to 12 mph with gusts up to 18 mph by
                    the afternoon. Gusty and erratic winds expected 
                    near thunderstorms. 
 Ridgetop...........East 10 to 20 mph, becoming southeast 8
                    to 16 mph by the afternoon. 
Mixing height.......Increasing to 6200 ft AGL in the afternoon. 
Transport winds.....Southeast 10 to 20 mph. 

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of showers and 
                    thunderstorms through 0300 MDT. 
CWR.................15 percent. 
Chance of lightning.25 percent. 
Min temperature.....62-67. 
Max humidity........57-62 percent. 
Wind (20 ft)........ 
 Slope/valley.......South winds 6 to 12 mph. Gusts up to 20 mph in 
                    the evening, becoming southwest to west 5 to 10
                    mph after 2400 MDT. Gusty and erratic winds expected 
                    near thunderstorms. 
 Ridgetop...........South 10 to 20 mph in the evening, becoming
                    southwest 6 to 12 mph after 2400 MDT. 
Mixing height.......Decreasing to 500 ft AGL overnight. 
Transport winds.....South to southwest around 15 mph. 

.SUNDAY...

Sky/weather.........Mostly sunny. Increasing clouds in the
                    afternoon. Slight chance of showers and 
                    thunderstorms in the afternoon. 
CWR.................10 percent. 
Chance of lightning.20 percent. 
Max temperature.....85-90. 
Min humidity........20-25 percent. 
Wind (20 ft)........ 
 Slope/valley.......Becoming northwest 7 to 14 mph. Gusts up to 20 mph 
                    in the afternoon. Gusty and erratic winds 
                    expected near thunderstorms. 
 Ridgetop...........Becoming northwest 10 to 20 mph. 
Mixing height.......Increasing to 7800 ft AGL in the afternoon. 
Transport winds.....Northwest around 20 mph. 

$$
Forecaster...Palmquist
Requested by...Amber Olson
Type of request...WILDFIRE
.TAG 2620202.1/BYZ
.DELDT 08/22/26
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov