857
FNUS75 KBYZ 202151
FWSBYZ

Spot Forecast for Davis Coulee...BIA-Crow
National Weather Service Billings MT
351 PM MDT Sun Sep 20 2026

Forecast is based on forecast start time of 0700 MDT on September 21.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

The chance for isolated showers will linger Monday morning for
the site. Patchy fog may linger through the Monday morning hours,
with excellent relative humidity recoveries overnight. Monday
looks to be warmer with high temperatures in the 70s and slightly
drier with minimum relative humidity values in the 40s to 50
percent.

Looking through the week, conditions will become warmer and drier
through Wednesday although minimum RH values will generally
remain above 30 percent. There is currently a low chance for
showers and thunderstorms Wednesday morning. Matos

.MONDAY...

Sky/weather.........Partly sunny then becoming sunny. Patchy fog in
                    the morning. Slight chance of rain showers in
                    the morning.
CWR.................5 percent.
Chance of lightning.0 percent.
Max temperature.....71-75.
Min humidity........47-51 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southeast 4 to 8 mph in
                    the afternoon.
 Ridgetop...........Southeast 5 to 10 mph.
Mixing height.......Increasing to 4500 ft AGL in the afternoon.
Transport winds.....Southeast around 9 mph.

.MONDAY NIGHT...

Sky/weather.........Mostly clear. Patchy fog overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....43-47.
Max humidity........91-100 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 9 mph.
 Ridgetop...........Southeast around 10 mph.
Mixing height.......Decreasing to 400 ft AGL overnight.
Transport winds.....Southeast around 10 mph.

.TUESDAY...

Sky/weather.........Sunny. Patchy fog in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....76-80.
Min humidity........35-39 percent.
Wind (20 ft)........
 Slope/valley.......South winds up to 4 to 7 mph shifting to the
east in the afternoon.
 Ridgetop...........East around 7 mph.
Mixing height.......Increasing to 4400 ft AGL in the afternoon.
Transport winds.....Southeast around 7 mph.

.FORECAST DAYS 3 THROUGH 7...
.WEDNESDAY...
Partly cloudy. Slight chance of showers. Lows in the lower 50s.
Highs in the upper 70s. Light winds.
.THURSDAY...
Mostly clear. Lows in the upper 40s. Highs in the mid 80s. Light
winds.
.FRIDAY...
Mostly clear. Lows in the lower 50s. Highs in the mid 80s.
Southeast winds around 5 mph.
.SATURDAY...
Not as warm. Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s.
.SUNDAY...
Partly cloudy. Slight chance of showers. Lows in the mid 40s.
Highs in the upper 60s.

$$
Forecaster...Matos
Requested by...Trasia
Type of request...WILDFIRE
.TAG 2621871.11/BYZ
.DELDT 09/20/26
.FormatterVersion 2.0.0
.EMAIL garretcosta71@gmail.com,mtbdc@firenet.gov,anna_sammer@firenet.gov