FNUS75 KBYZ 222016
FWSBYZ

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

Forecast is based on forecast start time of 1400 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...

An area of showers is beginning to lift north into southern 
Montana and will begin approaching the fire area over the next 
hour or so. Showers and thunderstorms remain possible through the 
afternoon and evening, decreasing after 0300 MDT tonight. 
Thunderstorms will be capable of gusty and erratic winds to 40 mph
and heavy rainfall. Breezy southeasterly winds will continue 
through the afternoon, becoming more southerly this evening. 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.

.REST OF TODAY...

Sky/weather.........Partly sunny. Chance of showers and 
                    thunderstorms. 
CWR.................15 percent. 
Chance of lightning.25 percent. 
Max temperature.....84-89. 
Min humidity........29-35 percent. 
Wind (20 ft)........ 
 Slope/valley.......Southeast winds 10 to 16 mph with gusts to 
                    25 mph. Gusty and erratic winds expected 
                    near thunderstorms. 
 Ridgetop...........Southeast 15 to 25 mph. 
Mixing height.......5700 ft AGL. 
Transport winds.....Southeast around 25 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 8 to 14 mph. Gusts 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...IC for Lookout
Type of request...WILDFIRE
.TAG 2620202.2/BYZ
.DELDT 08/22/26
.FormatterVersion 2.0.0
.EMAIL mtbdc@firenet.gov