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FNUS75 KBYZ 010613
FWSBYZ

Spot Forecast for Hawley Mountain SAR...Sweet Grass Co S.O.
National Weather Service Billings MT
1213 AM MDT Mon Sep 1 2025

Forecast is based on forecast start time of 0100 MDT on September 01.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...
Mostly clear/dry conditions will prevail tonight and Labor Day,
with generally light terrain driven winds. Thermal gusts into the
teens (mph) are expected tomorrow afternoon. Surface visibility
will be good and mountains will not be obscured, but lofted smoke
from regional wildfires will cause hazy skies and may impact
aviation operations. For Tuesday, look for an increase in NW winds
and potential for a late day thunderstorm.

.REST OF TONIGHT...

Sky/weather.........Mostly clear.
Chance of pcpn......0 percent.
Min temperature.....49-53.
Max humidity........38-42 percent.
Surface winds (mph).Downslope/downvalley 3-6 mph.
 Ridgetop...........Southeast to south 4-8 mph.

.LABOR DAY...

Sky/weather.........Sunny and hazy. Scattered afternoon cumulus.
Chance of pcpn......Less than 5 percent.
Max temperature.....78-82.
Min humidity........19-23 percent.
Surface winds (mph).Downslope/downvalley 3-6 mph until 10am, then
                    upslope/upvalley 5-10 mph. Afternoon gusts to
                    18 mph.
 Ridgetop...........Southeast to south 4-8 mph shifting north.

.MONDAY NIGHT...

Sky/weather.........Mostly clear.
Chance of pcpn......0 percent.
Min temperature.....50-54.
Max humidity........40-44 percent.
Surface winds (mph).Downslope/downvalley 3-6 mph.
 Ridgetop...........North around 5 mph shifting southeast.

.TUESDAY...

Sky/weather.........Mostly sunny and hazy. Slight chance of showers
                    and thunderstorms in the afternoon. Erratic wind
                    gusts possible near storms.
Chance of pcpn......15 percent.
Max temperature.....77-81.
Min humidity........19-23 percent.
Surface winds (mph).Downslope/downvalley 3-6 mph early, then
                    upslope/upvalley 8-12 mph. Afternoon gusts to
                    20 mph.
 Ridgetop...........Northwest around 10 mph. Afternoon gusts to
                    20 mph.

$$
Forecaster...Lester
Requested by...Dispatcher Jason Hill
Type of request...SAR
.TAG 2521039.1/BYZ
.DELDT 09/01/25
.FormatterVersion 2.0.0
.EMAIL sgdispatch@sgcountymt.gov,jhill@sgcountymt.gov