419
FNUS76 KPQR 291548
FWSPQR

Spot Forecast for Spike RX...USFS
National Weather Service Portland OR
848 AM PDT Thu Oct 29 2026

Forecast is based on ignition time of 0900 PDT on October 29.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Chances for rain showers continue through Friday
over the burn site. Some showers could produce quick periods of
moderate rain. Humidity values remain over 60-70% through
Friday.  Light winds mainly less than 5 mph through Friday
with diurnally forced direction.

.REST OF TODAY...

Sky/weather.........Partly cloudy. Slight chance of rain showers.
CWR.................7 percent.
Chance of lightning.2 percent.
Max temperature.....Around 47.
Min humidity........62 percent.
Wind (20 ft)........
 Slope/valley.......Variable winds less than 5 mph.
 Ridgetop...........South to southwest winds less than 5 mph.
Mixing height.......3800 ft AGL.
Transport winds.....Southwest 6 to 12 mph.

TIME (PDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........72  61  47  51  54  59  73  75  79
Weather cov.....SCH SCH SCH SCH SCH SCH SCH SCH SCH
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   10
Chc of ltng (%).0   0   0   0   0   0   0   0   0
Temp............35  38  41  43  44  45  45  46  44
RH..............85  90  87  81  75  71  70  72  77
20 FT wind dir..S   S   S   SW  SW  SW  SW  SW  SW
20 FT wind spd..2   2   3   3   3   3   2   2   2
20 FT wind gust.3   3   4   4   5   5   4   4   4
Ridge wind dir..S   S   S   SW  SW  SW  SW  SW  SW
Ridge wind spd..5   5   5   5   5   5   5   5   5
Mix hgt (kft)...1.1 2.0 2.7 3.1 3.6 3.7 3.8 3.2 2.4
Transp wind dir.S   S   S   SW  SW  SW  SW  SW  SW
Transp wind spd.8   9   12  12  10  9   9   8   6

.TONIGHT...

Sky/weather.........Mostly cloudy. Slight chance of rain late in
                    the evening then again after 0200.
CWR.................7 percent.
Chance of lightning.1 percent.
Min temperature.....Around 34.
Max humidity........90 percent.
Wind (20 ft)........
 Slope/valley.......Variable winds less than 5 mph.
 Ridgetop...........South to southeast winds less than 5 mph.
Mixing height.......600 ft AGL.
Transport winds.....Southeast 5 to 8 mph shifting to the south
                    around 8 mph overnight.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........80  76  77  78  82  80  84  82  75  63  66  84
Weather cov.....            SCH                 SCH SCH SCH CHC
Weather type....            RN                  RN  RN  RN  RN
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............42  41  38  37  36  36  36  36  36  36  36  36
RH..............84  87  90  91  90  90  87  86  85  85  86  85
20 FT wind dir..SW  S   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..1   1   1   1   1   2   2   1   1   1   1   1
20 FT wind gust.2   2   2   2   2   4   4   2   2   2   2   2
Ridge wind dir..SW  S   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Ridge wind spd..3   3   3   3   3   3   3   3   3   3   3   3
Mix hgt (kft)...0.8 0.7 0.6 0.6 0.9 0.8 1.0 0.8 0.9 1.0 0.9 1.0
Transp wind dir.S   SE  SE  S   SE  SE  SE  SE  SE  SE  S   S
Transp wind spd.5   6   7   7   7   8   8   7   8   8   8   8

.FRIDAY...

Sky/weather.........Mostly cloudy. Slight chance of rain.
CWR.................3 percent.
Chance of lightning.5 percent.
Max temperature.....Around 43.
Min humidity........81 percent.
Wind (20 ft)........
 Slope/valley.......Variable winds less than 5 mph.
 Ridgetop...........South to southeast winds up to 6 mph.
Mixing height.......2800 ft AGL.
Transport winds.....Southwest 7 to 12 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........88  90  84  76  69  71  74  78  64  65  57  50
Weather cov.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH
Weather type....RS  RS  RS  RS  RS  RS  RS  RS  RS  RS  RS  RS
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   10  10  10  10  10  0   0
Temp............35  35  34  36  38  40  41  42  42  42  43  41
RH..............83  82  83  85  92  90  88  83  81  78  79  83
20 FT wind dir..SE  SE  S   S   S   SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..1   1   1   1   2   3   4   4   4   4   4   3
20 FT wind gust.2   2   2   2   4   5   6   6   6   6   6   5
Ridge wind dir..SE  SE  S   S   S   SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..2   2   2   4   4   4   5   5   6   6   5   4
Mix hgt (kft)...1.0 1.0 0.9 1.0 1.7 2.1 2.5 2.7 2.8 2.5 2.2 1.9
Transp wind dir.S   S   S   SW  SW  SW  S   SW  SW  SW  SW  SW
Transp wind spd.8   8   7   7   8   9   10  12  12  12  12  10

$$
Forecaster...HEC
Requested by...Lars Olson
Type of request...PRESCRIBED
.TAG 2624572.3/PQR
.DELDT 10/29/26
.FormatterVersion 2.0.0
.EMAIL lars.olson@usda.gov