Spot Forecast
Issued by NWS Pocatello, ID

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FNUS75 KPIH 130438
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Spot Forecast for Grassy...BLM
National Weather Service Pocatello ID
1038 PM MDT Sat Jul 12 2025

Forecast is based on forecast start time of 2300 MDT on July 12.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (208) 232-9357, if you have questions
or concerns with this forecast.

.DISCUSSION...High pressure in weak northwest flow aloft will
keep conditions dry and warm through Sunday. The trend will be
for temperatures to rise a few degrees, with afternoon humidities
dropping below 15% for Sunday. Daytime winds will generally be
from the southwest, occasionally gusty around 15 mph in the
afternoon. Overnight winds will have a light easterly or
northeasterly drainage flow. There is about a 10 to 20 percent
chance of thunderstorms along the Montana Divide tomorrow
afternoon/early evening with just a 3 to 5 percent chance of
thunderstorms over the wildfire site.

.REST OF TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 52 to 56.
Max humidity........45 to 49 percent.
Wind (20 ft)........East winds 5 to 10 mph.
Mixing height.......200 ft AGL.
Transport winds.....East around 9 mph.
Rainfall amount.....0.00 inches.
Snow level..........13300-13500 ft.

.SUNDAY...

Sky/weather.........Sunny becoming partly cloudy in the afternoon.
CWR.................0 percent.
Chance of thunder...3 percent.
Max temperature.....Around 89 to 93.
Min humidity........12 to 16 percent.
Wind (20 ft)........East winds 5 to 10 mph shifting to the southwest
                    6 to 10 mph with gusts to around 16 mph in the
                    afternoon.
Mixing height.......9700 ft AGL increasing to 10300 ft AGL late in
                    the afternoon.
Transport winds.....South around 10 mph.
Rainfall amount.....0.00 inches.
Snow level..........13200-13300 ft.

.SUNDAY NIGHT...

Sky/weather.........Partly cloudy becoming mostly clear.
CWR.................0 percent.
Chance of thunder...5 percent.
Min temperature.....Around 55 to 59.
Max humidity........51 to 55 percent.
Wind (20 ft)........Southwest winds 6 to 8 mph shifting to the
                    northeast around 8 mph overnight.
Mixing height.......1400 ft AGL decreasing to 0 ft AGL in the late
                    evening and overnight.
Transport winds.....East around 12 mph.
Rainfall amount.....0.00 inches.
Snow level..........14000-14200 ft.

$$
Forecaster...Wyatt
Requested by...Cindy McClellen
Type of request...WILDFIRE
.TAG 2517903.0/PIH
.DELDT 07/12/25
.FormatterVersion 2.0.0
.EMAIL ideic@firenet.gov