759
FNUS75 KPIH 182020
FWSPIH

Spot Forecast for Sulphur Fire...EIIFC
National Weather Service Pocatello ID
220 PM MDT Mon Aug 18 2025

Forecast is based on forecast start time of 1500 MDT on August 18.
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...
Dry conditions expected tonight and Tuesday as high pressure builds
in out of the south. We will see continued cumulus cloud development
over the fire this afternoon and likely again on Tuesday, but not
expecting thunderstorms as we`ve seen over the last several days. RH
values will be dropping to near 10 percent tonight and into possibly
the single digits Tuesday afternoon. Winds should be fairly limited,
staying 20 mph or lower this evening and Tuesday evening.


.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................1 percent.
Chance of thunder...1 percent.
Max temperature.....Around 76.
Min humidity........13 percent.
Wind (20 ft)........Southwest winds around 8 mph.
Mixing height.......12200 ft AGL.
Transport winds.....Southwest around 12 mph.
Rainfall amount.....0.00 inches.
Snow level..........12800 ft.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 52.
Max humidity........36 percent.
Wind (20 ft)........Southwest winds 6 to 8 mph shifting to the
                    southeast around 8 mph overnight.
Mixing height.......5900 ft AGL decreasing to 0 ft AGL early in the
                    evening.
Transport winds.....South around 10 mph.
Rainfall amount.....0.00 inches.
Snow level..........12300-12800 ft.

.TUESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 80.
Min humidity........10 percent.
Wind (20 ft)........Southeast winds 5 to 8 mph shifting to the
                    south 5 to 6 mph in the afternoon.
Mixing height.......8800 ft AGL increasing to 11700 ft AGL late in
                    the afternoon.
Transport winds.....South around 8 mph.
Rainfall amount.....0.00 inches.
Snow level..........12000-12800 ft.

$$
Forecaster...Axford
Requested by...EIIFC
Type of request...WILDFIRE
.TAG 2520157.0/PIH
.DELDT 08/18/25
.FormatterVersion 2.0.0
.EMAIL ideic@firenet.gov