605
FNUS76 KPQR 110235
FWSPQR

Spot Forecast for Austin Fire...Columbia Cascade
National Weather Service Portland OR
735 PM PDT Mon Aug 10 2026

Forecast is based on forecast start time of 2000 PDT on August 10.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...High pressure will continue dry and warm conditions
through the week. Persistent onshore flow will maintain higher
daytime RH values with very high overnight humidity recoveries.
Subsidence inversion expected around 500 ft AGL each night, with
increased mixing expected by 0900-1100 each morning. Diurnal
west to northwest winds each day, breeziest in the afternoon and
over ridgetops.

.REST OF TONIGHT...

Sky/weather.........Mostly clear. Areas of smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 49.
Max humidity........90 percent.
Wind (20 ft)........
 Slope/valley.......Variable winds under 5 mph.
 Ridgetop...........Northwest winds 7 to 9 mph with gusts up
                    to 18 mph this evening, weakening to
                    4 to 7 mph overnight.
Mixing height.......300 ft AGL.
Transport winds.....Northwest 6 to 8 mph.

TIME (PDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7   12  12  10  14  17  20  16  32  27
Weather cov.....ARS ARS ARS PTY PTY PTY PTY PTY PTY PTY
Weather type....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0
Temp............66  63  61  60  58  56  55  53  52  51
RH..............61  68  72  77  80  85  88  89  90  90
20 FT wind dir..NW  W   W   SW  SW  S   S   S   N   N
20 FT wind spd..3   3   3   2   2   1   1   1   0   0
20 FT wind gust.10  8   6   6   5   4   2   2   2   2
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..9   9   8   8   7   6   5   5   5   4
Mix hgt (kft)...0.8 0.6 0.5 0.4 0.3 0.4 0.3 0.3 0.3 0.3
Transp wind dir.NW  NW  NW  NW  W   NW  W   W   W   W
Transp wind spd.8   8   8   7   6   6   6   6   6   6

.TUESDAY...

Sky/weather.........Partly cloudy early in the morning then becoming
                    mostly sunny late in the morning.
                    Areas of smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 79.
Min humidity........47 percent.
Wind (20 ft)........
 Slope/valley.......Variable winds under 5 mph becoming northwest
                    5 to 6 mph in the afternoon.
 Ridgetop...........Northwest 4 to 7 mph increasing to 8 to 10 mph
                    with gusts up to 20 mph in the afternoon.
Mixing height.......2900 ft AGL.
Transport winds.....Northwest 5 to 13 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........33  20  16  11  13  15  15  17  21  23  25  24
Weather cov.....PTY PTY PTY PTY PTY PTY PTY ARS ARS DEF DEF DEF
Weather type....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
Tstm cov........
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............50  51  55  62  69  74  77  78  79  78  77  77
RH..............90  90  81  69  63  55  51  48  47  49  51  54
20 FT wind dir..N   N   W   W   W   W   NW  NW  NW  NW  NW  NW
20 FT wind spd..0   0   1   2   3   4   5   5   6   6   6   5
20 FT wind gust.2   2   2   5   7   8   10  10  11  12  12  12
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..4   4   4   5   6   7   8   9   10  10  10  10
Mix hgt (kft)...0.3 0.3 0.6 1.3 1.8 2.2 2.6 2.9 2.9 2.7 2.6 2.5
Transp wind dir.W   W   W   NW  NW  NW  NW  NW  NW  W   W   NW
Transp wind spd.6   5   5   7   7   8   8   9   10  10  12  13

.TUESDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Areas of smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 52.
Max humidity........99 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds around 5 mph early in the
                    evening becoming light.
 Ridgetop...........Northwest winds 8 to 10 mph with gusts up to
                    20 mph early in the evening weakening to
                    4 to 7 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....Northwest 7 to 13 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........24  24  23  23  23  53  53  53  68  68  68  74
Weather cov.....DEF ARS ARS ARS PTY PTY PTY PTY PTY PTY PTY PTY
Weather type....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
Tstm cov........
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............75  71  67  64  62  61  59  59  57  56  55  55
RH..............58  64  71  79  83  86  89  93  94  96  96  94
20 FT wind dir..NW  NW  NW  NW  NW  W   W   W   W   W   W   W
20 FT wind spd..5   5   4   4   4   3   3   3   2   2   2   2
20 FT wind gust.12  12  10  10  10  8   8   8   6   6   6   5
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..10  10  10  9   9   8   7   7   6   5   4   4
Mix hgt (kft)...2.6 2.4 1.4 0.8 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.6
Transp wind dir.NW  NW  NW  NW  NW  NW  W   W   W   W   W   W
Transp wind spd.13  13  10  9   9   8   8   7   7   8   7   7

.WEDNESDAY...

Sky/weather.........Partly cloudy then becoming mostly sunny
                    in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 74.
Min humidity........62 percent.
Wind (20 ft)........
 Slope/valley.......Variable winds under 5 mph becoming northwest
                    around 5 mph late in the afternoon.
 Ridgetop...........Northwest 4 to 7 mph increasing to 8 to 10 mph
                    with gusts up to 20 mph in the afternoon.
Mixing height.......3400 ft AGL.
Transport winds.....Northwest 7 to 12 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........74  74  54  54  54  26  26  26  19  19  19  15
Weather cov.....
Weather type....
Tstm cov........
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............53  54  55  59  63  67  69  71  73  73  72  72
RH..............98  99  99  92  84  77  72  67  62  63  65  66
20 FT wind dir..W   W   W   W   W   NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..2   2   3   3   3   4   4   4   5   5   5   5
20 FT wind gust.5   5   6   6   6   10  10  10  11  11  11  12
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..4   4   4   5   6   7   8   9   10  10  10  10
Mix hgt (kft)...0.6 0.8 1.2 1.6 2.0 2.4 2.8 3.1 3.3 3.4 3.4 3.1
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.7   7   8   8   8   8   9   9   10  12  12  12

$$
Forecaster...Alviz
Requested by...Columbia Cascade
Type of request...WILDFIRE
.TAG 2619314.2/PQR
.DELDT 08/10/26
.FormatterVersion 2.0.0
.EMAIL Michael.Whitaker@usda.gov,dustin.fisher@usda.gov,waccc@firenet.gov