071
FNUS76 KPQR 121232
FWSPQR

Spot Forecast for Horse Shoe Fire...WAPCC
National Weather Service Portland OR
532 AM PDT Tue Aug 12 2025

Forecast is based on forecast start time of 0600 PDT on August 12.
If conditions become unrepresentative, contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.DISCUSSION...Hot and dry conditions continue today with light
north winds. Expect high overnight humidity recoveries. Onshore
flow strengthens on Wednesday with winds shifting more westerly,
bringing higher daytime humidity. Rain chances return late in the
week.

.TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 97.
Min humidity........32 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming north around 5 mph late in
                    the afternoon.
Mixing height.......5300 ft AGL.
Transport winds.....North 6 to 12 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8   9   6   4   4   5   4   4   4   4   3   4
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  67  71  75  81  85  89  93  95  96  97  97
RH..............73  75  71  62  57  50  46  40  37  35  33  33
20 FT wind dir..NE  N   N   N   N   N   N   N   N   N   NW  N
20 FT wind spd..2   2   2   2   3   3   4   4   5   5   5   5
20 FT wind gust.6   6   6   6   6   6   8   10  10  10  11  11
Mix hgt (kft)...0.9 0.9 1.3 1.7 2.0 2.5 3.0 4.0 4.4 5.1 5.3 4.5
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.8   7   7   7   6   6   6   7   7   7   9   12

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 58.
Max humidity........89 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds around 5 mph early in the
                    evening becoming light.
Mixing height.......800 ft AGL.
Transport winds.....Northwest 7 to 10 mph shifting to the southwest
                    around 6 mph late in the evening.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........4   3   8   5   5   3   7   7   6   13  20  24
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............95  92  86  80  76  71  67  65  63  61  60  59
RH..............36  40  47  54  61  67  76  79  85  87  87  90
20 FT wind dir..NW  NW  N   NW  S   S   S   S   S   S   S   S
20 FT wind spd..5   5   4   4   4   4   4   4   4   4   3   4
20 FT wind gust.10  10  8   8   8   8   8   8   8   8   8   8
Mix hgt (kft)...3.1 1.4 1.1 0.9 0.9 0.8 0.8 0.8 0.8 0.9 0.9 0.9
Transp wind dir.NW  NW  N   W   W   W   W   SW  SW  SW  SW  SW
Transp wind spd.10  9   9   8   7   6   6   6   6   6   6   6

.WEDNESDAY...

Sky/weather.........Mostly sunny then becoming partly cloudy.
CWR.................2 percent.
Chance of lightning.2 percent.
Max temperature.....Around 78.
Min humidity........59 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 5 to 6 mph late in
                    the morning.
Mixing height.......3500 ft AGL.
Transport winds.....Southwest 6 to 12 mph shifting to the west 10
                    to 12 mph in the afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........24  24  28  28  28  36  36  36  31  31  31  31
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............58  60  62  65  68  71  73  74  76  76  76  76
RH..............91  91  88  83  78  73  69  65  62  60  59  59
20 FT wind dir..S   S   SW  SW  SW  SW  SW  SW  W   W   W   W
20 FT wind spd..4   4   4   4   4   5   5   5   6   6   6   6
20 FT wind gust.8   8   8   8   8   10  10  10  12  12  12  12
Mix hgt (kft)...1.0 1.3 1.6 1.9 2.3 2.7 3.1 3.3 3.5 3.5 3.4 3.2
Transp wind dir.SW  SW  W   W   W   W   W   W   W   W   W   W
Transp wind spd.6   6   6   7   9   10  12  12  12  12  12  10

$$
Forecaster...Alviz
Requested by...WAPCC
Type of request...WILDFIRE
.TAG 2519758.0/PQR
.DELDT 08/12/25
.FormatterVersion 2.0.0
.EMAIL pcdispatch@dnr.wa.gov