112
FNUS75 KPIH 171200
FWSPIH

Spot Forecast for Cedar...USFS
National Weather Service Pocatello ID
600 AM MDT Sun Aug 17 2025

Forecast is based on forecast start time of 0600 MDT on August 17.
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.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS...

.DISCUSSION...
Critical fire weather conditions are expected again later today
with another round of scattered shower and thunderstorm
development. Following very isolated showers early this morning,
best thunderstorm chances will be during afternoon and early
evening hours. Stronger storms will remain capable of producing
wind gusts up to 50 mph, small hail, and heavy rain. Under the
increasing influence of high pressure starting Monday, hot and dry
conditions are then expected to return through midweek, outside
of isolated showers and storms in eastern Custer and Lemhi
Counties Monday afternoon. These hot and dry conditions will
support near critical fire weather conditions with afternoon
humidities in the single digits and teens coupled with wind gusts
peaking each afternoon around 20-25 mph.

.TODAY...

Sky/weather.........Partly sunny in the morning, then becoming mostly
                    cloudy in the afternoon. Isolated showers in the
                    morning, then scattered showers and thunderstorms
                    in the afternoon.
CWR.................20 to 30 percent.
Chance of thunder...30 to 40 percent.
Max temperature.....74 to 78 degrees.
Min humidity........28 to 32 percent.
Wind (20 ft)........Southeast winds 5 to 8 mph in the morning shifting
                    to the southwest 10 to 14 mph with gusts to around 20
                    mph in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......1400 ft AGL through 8 AM MDT, increasing to
                    8800 ft AGL in the afternoon, then decreasing to
                    6300 ft AGL by 6 PM MDT.
Transport winds.....South around 10 mph in the morning, becoming
                    southwest around 20 mph in the afternoon.
Rainfall amount.....0.03 to 0.08 inches.

.TONIGHT...

Sky/weather.........Mostly cloudy in the evening, then becoming mostly
                    clear overnight. Isolated showers and thunderstorms
                    in the evening.
CWR.................10 to 20 percent.
Chance of thunder...15 to 25 percent.
Min temperature.....52 to 56 degrees.
Max humidity........50 to 55 percent.
Wind (20 ft)........West-southwest winds 6 to 10 mph with gusts to around
                    15 mph in the evening shifting to the southeast
                    5 to 8 mph overnight. Gusty and erratic winds expected
                    near thunderstorms in the evening.
Mixing height.......2400 ft AGL by 8 PM MDT, decreasing to 1400 ft AGL
                    overnight.
Transport winds.....Northwest around 15 mph in the evening, becoming
                    south-southeast around 8 mph overnight.
Rainfall amount.....0.00 to 0.03 inches.

.MONDAY...

Sky/weather.........Sunny in the morning, then becoming mostly sunny in
                    the afternoon. Isolated showers and thunderstorms in
                    the afternoon.
CWR.................0 to 5 percent.
Chance of thunder...5 to 15 percent.
Max temperature.....78 to 82 degrees.
Min humidity........15 to 18 percent.
Wind (20 ft)........South winds 5 to 8 mph in the morning shifting to the
                    southwest 12 to 18 mph with gusts up to 25 mph in
                    the afternoon.
Mixing height.......1400 ft AGL through 8 AM MDT, increasing to
                    12200 ft AGL in the afternoon, then decreasing to
                    10000 ft AGL by 6 PM MDT.
Transport winds.....South around 12 mph in the morning, becoming
                    southwest around 20 mph in the afternoon.
Rainfall amount.....0.00 inches.

$$
Forecaster...MacKay
Requested by...Matt Hinners
Type of request...WILDFIRE
.TAG 2520015.1/PIH
.DELDT 08/17/25
.FormatterVersion 2.0.0
.EMAIL matthew.hinners@usda.gov