508
FNUS76 KOTX 140107
FWSOTX

Spot Forecast for Pioneer...Other
National Weather Service Spokane WA
607 PM PDT Fri Sep 13 2024

Forecast is based on forecast start time of 0800 PDT on September 14.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

There will be a 40 percent chance of light rain for the low
elevations tonight and an 90 percent chance along the ridges.
The chance of wetting rains will be 10 percent (river) and
60 percent ridge tops. There will additional chances for showers
Saturday, mainly in the afternoon. Monday will be warm and dry.
Tuesday and Wednesday will return to cooler and showery weather.


.SATURDAY...

Sky/weather.........Partly sunny. 30 percent chance of rain
                    near river level. 70 percent chance of
                    rain on the ridges.
CWR.................5 percent along the river. 50 percent
                    chance of a tenth of an inch along the
                    ridges.
LAL.................1.
Max temperature.....1100 ft elevation: 68 near the river
                    6000 ft elevation: 51 near ridge top
Min humidity........1100 ft elevation: 46 percent near the river
                    6000 ft elevation: 73 percent near ridge top
Wind (20 ft)........Valley and mid-slope: West or southwest 4 to
                    6 mph.
                    Ridgetops: West winds West 8 to 13 mph with
                    gusts to 22 mph.
Mixing height.......Morning inversion weakening around 1100 pdt.
                    Mixing height as high as as 3300 ft AGL in
                    the afternoon.
Transport winds.....West 8 to 12 mph.
Haines Index........2 Very Low.

.SATURDAY NIGHT...

Sky/weather.........Mostly cloudy with a 10 percent chance of
                    evening showers along the river. A 30 percent
                    chance of showers on the ridge tops. Becoming
                    partly cloudy by morning.
CWR.................0 percent along the river. 10 percent of a
                    tenth of an inch on the ridge tops.
LAL.................1.
Min temperature.....1100 ft elevation: 52 near the river
                    6000 ft elevation: 38 near ridge top
Max humidity........1100 ft elevation: 78 percent near the river
                    6000 ft elevation: 93 percent near ridge top
Wind (20 ft)........Valley and mid-slope: Northwest 4 to
                    7 mph with gusts to 13 mph in the evening
                    decreasing to 2 to 5 mph overnight.
                    Ridgetops: West winds West 10 to 14 mph with
                    gusts to 23 mph.
Mixing height.......Decreasing to near the surface by 2100 pdt.
Transport winds.....West 7 to 10 mph.
Haines Index........3 Very Low.

.SUNDAY...

Sky/weather.........Partly sunny. 20 percent chance of showers along
                    the river. 40 percent chance of showers on the
                    ridge tops.
CWR.................0 percent river. 10 percent ridge tops.
LAL.................1.
Max temperature.....1100 ft elevation: 71 near the river
                    6000 ft elevation: 53 near ridge top
Min humidity........1100 ft elevation: 40 percent near the river
                    6000 ft elevation: 72 percent near ridge top
Wind (20 ft)........Valley and mid-slope: Northwest 1 to
                    5 mph in the morning becoming upslope/upvalley
                    3 to 6 mph by mid morning.
                    Ridgetops: Northwest winds West 7 to 12 mph in
                    the morning becoming north or northeast 3 to
                    7 mph in the afternoon.
Mixing height.......Morning inversion weakening around 1000 pdt.
                    Mixing height as high as as 3400 ft AGL in
                    the afternoon.
Transport winds.....Northwest 8 to 12 mph shifting to the northeast
                    4 to 8 mph in the afternoon.
Haines Index........3 Very Low.

.SATURDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....1100 ft elevation: 50 near the river
                    6000 ft elevation: 34 near ridge top
Max humidity........1100 ft elevation: 84 percent near the river
                    6000 ft elevation: 95 percent near ridge top
Wind (20 ft)........Valley and mid-slope: Downslope/downvalley
                    3 to 8 mph.
                    Ridgetops: north or northeast 4 to 8 mph.
Mixing height.......Decreasing to near the surface by 2100 pdt.
Transport winds.....Downvalley 4 to 8 mph.
Haines Index........3 Very Low.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Partly cloudy. Lows 40s and 50s. Highs 60s to upper 70s.
Northwest winds 5 to 10 mph.
.TUESDAY...
Partly cloudy. 40 percent chance of showers. Lows 40s and 50s.
Highs 50s and 60s. West winds 5 to 10 mph.
.WEDNESDAY...
Mostly cloudy. 30 percent chance of showers. Lows 40s and 50s.
Highs 50s and 60s. West winds 4 to 8 mph.

$$
Forecaster...GK
Requested by...Anna Valentine
Type of request...WILDFIRE
.TAG 2422422.0/OTX
.DELDT 09/13/24
.FormatterVersion 2.0.0
.EMAIL anna_valentine@nps.gov