818
FNUS76 KPQR 211437
FWSPQR

Spot Forecast for Range Coverage...OMD
National Weather Service Portland OR
737 AM PDT Fri Aug 21 2026

Forecast is based on forecast start time of 1000 PDT on August 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Southerly winds will slowly develop as a low pressure
systems moves eastward through today and Saturday. 10-20% chance
for showers and thunderstorms starting late tonight through early
Saturday morning. Southerly wind gusts approaching 20 mph Saturday
as the body of the low moves across the area. Very little
precipitation is expected with this system.

.REST OF TODAY...

Sky/weather.........Mostly cloudy.
CWR.................3 percent.
Chance of lightning.2 percent.
Max temperature.....Around 66.
Min humidity........80 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southwest 6 to 8 mph late
                    in the morning.
Mixing height.......1100 ft AGL.
Transport winds.....Southwest 6 to 12 mph.

TIME (PDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........88  85  85  84  84  87  87  87
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0
Temp............60  62  63  64  64  64  65  64
RH..............90  86  83  82  80  81  80  80
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..4   5   6   6   6   7   7   7
20 FT wind gust.6   6       7   10  10  10  10
Mix hgt (kft)...0.7 0.9 1.0 1.1 1.0 1.0 0.9 1.0
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.6   6   7   9   12  12  12  12

.TONIGHT...

Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms after 0300.
CWR.................3 percent.
Chance of lightning.19 percent.
Min temperature.....Around 56.
Max humidity........92 percent.
Wind (20 ft)........
 Slope/valley.......South winds 5 to 7 mph. Gusty and erratic winds
                    expected near thunderstorms after 0300.
Mixing height.......600 ft AGL.
Transport winds.....South 12 to 15 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........84  83  85  77  81  85  89  87  85  79  81  83
Weather cov.....                                    SCH SCH SCH
Weather type....                                    RW  RW  RW
Tstm cov........                                    SCH SCH SCH
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  20  10
Temp............64  62  60  59  59  59  58  58  58  57  57  57
RH..............84  86  87  90  91  90  91  91  91  91  92  91
20 FT wind dir..SW  SW  SW  S   S   S   S   S   S   S   S   S
20 FT wind spd..6   6   5   6   6   6   6   6   6   6   6   6
20 FT wind gust.10  10  10  10  10  10  10  11  10  11  11  11
Mix hgt (kft)...0.9 0.8 0.8 0.6 0.7 0.9 0.9 0.9 1.0 1.0 1.0 0.9
Transp wind dir.SW  S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.12  12  12  12  13  14  13  14  14  15  15  15

.SATURDAY...

Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms through 0700.
CWR.................2 percent.
Chance of lightning.9 percent.
Max temperature.....Around 66.
Min humidity........76 percent.
Wind (20 ft)........
 Slope/valley.......South winds 6 to 12 mph with gusts up to 17 mph.
                    Gusty and erratic winds expected near thunderstorms
                    through 0700.
Mixing height.......1800 ft AGL.
Transport winds.....South 13 to 18 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........83  83  74  74  74  63  63  63  62  62  62  59
Weather cov.....SCH SCH
Weather type....RW  RW
Tstm cov........SCH SCH
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).10  10  0   0   0   0   0   0   0   0   0   0
Temp............56  56  58  58  60  62  63  63  64  64  65  64
RH..............94  94  91  90  86  81  79  78  76  77  77  76
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..6   6   7   7   7   9   9   9   12  12  12  11
20 FT wind gust.11  11  12  12  12  14  14  14  18  18  18  17
Mix hgt (kft)...0.9 0.9 1.2 1.3 1.5 1.6 1.8 1.8 1.3 1.6 1.5 1.0
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.13  13  13  13  14  15  14  16  18  17  18  17

$$
Forecaster...Bishop
Requested by...J. Chandler
Type of request...WILDFIRE
.TAG 2620091.0/PQR
.DELDT 08/21/26
.FormatterVersion 2.0.0
.EMAIL jordan.chandler@omd.oregon.gov