078
FNUS76 KPQR 211946
FWSPQR

Spot Forecast for Coyote Spencer Wetlands RX Fire 20206...McKenzie River Trust/ODF
National Weather Service Portland OR
1246 PM PDT Mon Sep 21 2026

Forecast is based on ignition time of 0800 PDT on September 23.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Dry weather is expected through at least Wednesday
night. Light and variable winds in the morning become north around
3-6 mph by 1400 PDT Wednesday with a 30% chance of wind gusts
exceeding 15 mph. Rain chances increase later Thursday as a low
pressure system approaches. There is more uncertainty regarding
wind direction on Thursday, though winds are likely to become
more westerly by Thu afternoon.

.WEDNESDAY...

Sky/weather.........Partly sunny then becoming partly cloudy.
                    Patchy fog early in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 71.
Min humidity........43-46 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming north 3-6 mph in the
                    afternoon.
Mixing height.......3200 ft AGL.
Transport winds.....North 3 to 8 mph.

TIME (PDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65  65  65  52  52  52  41  41  41  37
Weather cov.....PTY
Weather type....FOG
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............49  52  56  60  63  66  68  70  71  71
RH..............95  90  82  73  65  57  51  47  45  46
20 FT wind dir..N   N   N   N   N   N   N   N   N   N
20 FT wind spd..0   0   0   2   2   2   4   4   5   5
20 FT wind gust.2   2   2   5   5   5   10  10  10  10
Mix hgt (kft)...0.5 0.5 0.5 1.9 1.9 1.9 3.0 3.0 3.0 3.2
Transp wind dir.N   N   N   N   N   N   N   N   N   N
Transp wind spd.3   3   3   5   5   5   8   8   8   8

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 49.
Max humidity........86 percent.
Wind (20 ft)........
 Slope/valley.......North winds 3-6 mph becoming light overnight.
Mixing height.......400 ft AGL.
Transport winds.....North 5 to 8 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........37  37  37  37  37  42  42  42  49  49  49  68
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   10
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............69  66  63  60  58  56  55  54  53  52  51  51
RH..............51  58  65  71  75  79  82  83  84  85  85  85
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..5   4   1   1   1   0   0   0   1   1   1   0
20 FT wind gust.10  10  2   2   2   2   2   2   4   4   4   2
Mix hgt (kft)...3.2 3.2 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.4
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   NE
Transp wind spd.8   8   8   8   8   6   6   6   7   7   7   5

.THURSDAY...

Sky/weather.........Mostly cloudy. Slight chance of rain late in
                    the morning. Chance of rain showers and slight
                    chance of thunderstorms late in the afternoon.
CWR.................12 percent increasing to 45 percent late in the
                    afternoon.
Chance of lightning.15 percent.
Max temperature.....Around 70.
Min humidity........50-54 percent.
Wind (20 ft)........
 Slope/valley.......Light winds. Gusty and erratic winds possible
                    near thunderstorms late in the afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....North 3 to 5 mph shifting to the west around 5
                    mph late in the morning.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........68  68  76  76  76  83  83  83  75  75  75  74
Weather cov.....                    SCH SCH SCH SCH SCH SCH CHC
Weather type....                    RN  RN  RN  RN  RN  RN  RW
Tstm cov........                                            SCH
CWR.............10  10  10  10  10  10  10  10  10  10  10  50
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   20
Temp............50  50  51  54  58  61  64  66  67  68  69  68
RH..............86  87  86  81  75  68  63  59  56  54  53  55
20 FT wind dir..N   N   N   N   N   N   N   N   NW  NW  NW  W
20 FT wind spd..0   0   0   0   0   2   2   2   2   2   2   2
20 FT wind gust.2   2   2   2   2   5   5   5   6   6   6   6
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 2.0 2.0 2.0 2.7 2.7 2.7 M
Transp wind dir.NE  NE  N   N   N   W   W   W   W   W   W   M
Transp wind spd.5   5   3   3   3   5   5   5   5   5   5   M

$$
Forecaster...Hartsock
Requested by...Brent Ross
Type of request...PRESCRIBED
.TAG 2622225.0/PQR
.DELDT 09/21/26
.FormatterVersion 2.0.0
.EMAIL brent@mckenzieriver.org,amanda.rau@odf.oregon.gov