329
FNUS76 KPQR 281730
FWSPQR

Spot Forecast for Bateman 2026...Confederated Tribes of Grand Ronde
National Weather Service Portland OR
1030 AM PDT Mon Sep 28 2026

Forecast is based on ignition time of 1000 PDT on September 28.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Mostly sunny skies today will give way to increasing
clouds this afternoon and a weak sea breeze pushing eastward
through the Grand Ronde gap this afternoon. Light rain and
sprinkles will most likely fall around daybreak at the site before
a better chance for rain arrives late in the afternoon and early in
the evening on Tuesday. The probability of a 0.25" of rain is less
than 10% on Tuesday into Tuesday night.

.REST OF TODAY...

Sky/weather.........Mostly sunny. Increasing high clouds in the
                     afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....67-69.
Min humidity........40-50 percent.
Wind (20 ft)........
 Slope/valley.......Light and variable becoming west 3-5 mph with
                     gusts to 10 mph after 1500.
Mixing height.......Rising to 3000 ft AGL.
Transport winds.....West 5 to 10 mph.

TIME (PDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........17  11  10  19  18  19  11  30
CWR.............0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0
Temp............53  59  62  65  66  66  67  64
RH..............84  70  58  52  49  50  54  57
20 FT wind dir..N   N   N   W   W   W   W   W
20 FT wind spd..0   0   0   1   2   3   4   4
20 FT wind gust.2   2   4   5   6   8   10  10
Mix hgt (kft)...1.1 1.8 2.2 2.8 3.0 2.8 2.0 1.6
Transp wind dir.W   W   W   W   W   W   W   W
Transp wind spd.3   3   5   5   6   8   10  10

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Patchy fog overnight.
CWR.................Less than 5 percent.
Chance of lightning.0 percent.
Min temperature.....46-48.
Max humidity........95-100 percent.
Wind (20 ft)........
 Slope/valley.......West 3-5 mph with gusts to 10 mph becoming
                     drainage less than 3 mph after 2100.
Mixing height.......Lowering to less than 500 ft AGL.
Transport winds.....West 5 to 10 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........24  34  52  42  42  44  34  37  41  45  50  60
Weather cov.....                            PTY PTY PTY PTY PTY
Weather type....                            FOG FOG FOG FOG FOG
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............61  58  53  52  51  50  49  48  48  48  48  47
RH..............66  79  89  94  97  100 100 100 100 100 100 100
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..4   3   3   1   1   1   1   1   1   1   1   1
20 FT wind gust.8   6   6   5   5   4   4   3   3   3   3   3
Mix hgt (kft)...1.1 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   SW
Transp wind spd.10  9   8   8   8   9   8   7   7   6   6   6

.TUESDAY...

Sky/weather.........Patchy fog in the morning. Mostly cloudy
                     with a 20% chance of light rain around
                     daybreak. Rain chances decrease midday and
                     then increase again to around 50% by around
                     1700-1800.
CWR.................5 percent.
Chance of lightning.1 percent.
Max temperature.....63-65.
Min humidity........70-80 percent.
Wind (20 ft)........
 Slope/valley.......Light and variable becoming west-southwest
                     2-4 mph with gusts to 10 mph after 1200.
Mixing height.......Rising to 2000 ft AGL in the afternoon.
Transport winds.....West-southwest 5-10 mph increasing to 10 to
                     15 mph in the afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........68  76  79  75  80  72  70  65  70  75  80  80
Weather cov.....PTY SCH SCH SCH SCH SCH     SCH SCH SCH CHC CHC
Weather type....FOG RNF RNF RNF RNF RN      RN  RN  RN  RN  RN
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............48  49  49  51  54  57  59  62  62  63  64  63
RH..............100 100 100 100 100 93  87  85  83  80  76  80
20 FT wind dir..S   NE  E   E   S   W   W   W   W   W   W   W
20 FT wind spd..1   1   1   1   1   2   3   4   4   4   3   1
20 FT wind gust.5   5   6   5   6   6   10  10  12  11  10  10
Mix hgt (kft)...0.4 0.4 0.4 0.5 0.8 1.1 1.4 1.8 1.9 1.9 1.7 1.4
Transp wind dir.WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW
Transp wind spd.6   5   5   6   7   8   9   13  12  13  12  12


$$


Forecaster...Neuman
Requested by...Andrew Puerini
Type of request...PRESCRIBED
.TAG 2622673.0/PQR
.DELDT 09/28/26
.FormatterVersion 2.0.0
.EMAIL Andrew.Puerini@grandronde.org