404
FNUS76 KPQR 270233
FWSPQR

Spot Forecast for Bosworth South Unit...Dayton Fire District
National Weather Service Portland OR
733 PM PDT Sat Sep 26 2026

Forecast is based on ignition time of 0900 PDT on September 27.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Dry with slightly below average temperatures, highs
topping out in the upper 60s. Excellent overnight RH recoveries
Sunday night. Light winds expected, mainly from the north at 5 mph
or less.

.SUNDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 69.
Min humidity........44 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming north around 5 mph late in
                    the morning, then becoming light late in the
                    afternoon.
Mixing height.......3700 ft AGL.
Transport winds.....North 9 to 12 mph.

TIME (PDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20  14  14  15  13  9   2   1   3
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0
Temp............50  55  59  61  65  67  67  69  68
RH..............73  64  57  52  47  44  42  41  44
20 FT wind dir..N   N   N   N   N   N   N   N   N
20 FT wind spd..4   4   5   5   5   5   5   5   4
20 FT wind gust.7   7   8   10  10  10  10  10  8
Mix hgt (kft)...0.9 1.6 2.0 2.4 3.1 3.6 3.7 3.7 3.6
Transp wind dir.N   N   N   N   N   N   N   N   N
Transp wind spd.12  10  10  10  10  9   9   10  10

.SUNDAY NIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 43.
Max humidity........93 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
Mixing height.......300 ft AGL.
Transport winds.....North 3 to 8 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3   3   5   5   5   7   7   7   14  14  14  39
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............67  63  57  55  53  51  49  48  47  46  45  44
RH..............50  57  66  73  78  82  86  88  88  88  88  89
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..4   4   1   1   1   0   0   0   0   0   0   0
20 FT wind gust.8   8   4   4   4   1   1   1   1   1   1
Mix hgt (kft)...1.4 0.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3
Transp wind dir.N   N   N   N   N   N   NW  NW  N   N   N   N
Transp wind spd.8   8   8   8   7   6   5   5   5   3   3   3

.MONDAY...

Sky/weather.........Partly cloudy then becoming mostly sunny then
                    becoming partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 68.
Min humidity........55 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
Mixing height.......3000 ft AGL.
Transport winds.....North 2 to 5 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........39  39  26  26  26  26  26  26  19  19  19  30
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............43  43  43  47  52  56  59  62  65  66  66  67
RH..............91  93  93  88  80  72  65  60  56  53  53  55
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..0   0   0   0   0   0   0   0   1   1   1   0
20 FT wind gust.                    2   2   2   4   4   4   2
Mix hgt (kft)...0.4 0.3 0.3 0.7 1.4 2.0 2.4 2.8 2.9 3.0 2.9 2.6
Transp wind dir.NW  N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.2   2   3   3   5   5   5   5   5   5   5   5

$$
Forecaster...Batz
Requested by...Bozeb Beckwith
Type of request...PRESCRIBED
.TAG 2622553.0/PQR
.DELDT 09/26/26
.FormatterVersion 2.0.0
.EMAIL bozeb.beckwith@portlandoregon.gov,bozeb@hotmail.com