911
FNUS76 KPQR 240844
FWSPQR

Spot Forecast for Clark Fire...Columbia 911
National Weather Service Portland OR
144 AM PDT Fri Jul 24 2026

Forecast is based on forecast start time of 0200 PDT on July 24.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Moist onshore flow will continue to support
excellent overnight RH recovery and daytime minimum RH well above
critical values. Light winds overnight will rise out of the
northwest at 6-8 mph. Nocturnal inversion will break 0800-1000 and
redevelop after 1900. No significant weather expected.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 56.
Max humidity........93 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 7 to 9 mph.

TIME (PDT)      2AM 3AM 4AM 5AM
Sky (%).........21  18  25  34
Weather cov.....
Weather type....None-   -   -
Tstm cov........
CWR.............0   0   0   0
Chc of ltng (%).0   0   0   0
Temp............60  58  58  58
RH..............90  91  92  93
20 FT wind dir..NW  NW  NW  NW
20 FT wind spd..4   4   4   3
20 FT wind gust.10  10  10  8
Mix hgt (kft)...0.4 0.4 0.4 0.4
Transp wind dir.NW  NW  NW  NW
Transp wind spd.9   8   8   7

.TODAY...

Sky/weather.........Partly cloudy then becoming partly sunny then
                    becoming partly cloudy then becoming mostly
                    sunny.
CWR.................1 percent.
Chance of lightning.0 percent.
Max temperature.....Around 82.
Min humidity........55 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northwest 5 to 6 mph late
                    in the afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....Northwest 6 to 10 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........38  51  46  36  25  18  18  15  14  18  20  18
Weather cov.....
Weather type....None-   -   -   -   -   -   -   -   -   -   -
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............56  58  60  63  68  72  75  79  80  80  81  80
RH..............94  92  89  81  76  69  66  61  56  53  54  57
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..3   3   3   3   3   3   4   4   5   5   6   6
20 FT wind gust.8   7   6   6   6   6   7   10  10  11  13  14
Mix hgt (kft)...0.5 0.7 1.1 1.2 1.7 2.2 2.7 3.0 3.3 3.5 2.9 2.7
Transp wind dir.NW  NW  N   NW  NW  NW  NW  NW  NW  NW  NW  W
Transp wind spd.7   7   7   6   6   6   6   6   6   7   8   10

$$
Forecaster...Picard
Requested by...Columbia 911 dispatch
Type of request...WILDFIRE
.TAG 2618108.0/PQR
.DELDT 07/24/26
.FormatterVersion 2.0.0
.EMAIL dispatch@columbia911.com