233
FNUS76 KPQR 050042
FWSPQR

Spot Forecast for Clackamas Fire- Air Mobility Exercise...Clackamas Fire
National Weather Service Portland OR
542 PM PDT Thu Jun 4 2026

Forecast is based on forecast start time of 0700 PDT on June 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Gusty southwest flow expected Friday and Saturday.
Rain chances increase late Friday night and through the afternoon.
There is a 20-30% chance for thunderstorms late Saturday morning
and through the afternoon.

.FRIDAY...

Sky/weather.........Partly sunny then becoming mostly cloudy.
Chance of pcpn......10 percent.
Max temperature.....Around 64.
Min humidity........56 percent.
Surface winds.......Light winds becoming southwest 8 to 9 mph with
                    gusts to around 20 mph in the late morning and
                    afternoon.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 7 mph with gusts to around
                    16 mph.
Transport winds.....Southwest 6 to 15 mph shifting to the west 15
                    to 16 mph late in the afternoon.
CEILING (KFT).......2.6 increasing to 4.1 late in the morning.
Visibility (SM)......10.

TIME (PDT)      7 AM         11 AM        3 PM
Sky (%).........68           61           59
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
Chc of pcpn (%).0            0            10
Temp............50           56           61
RH..............77           67           60
20 FT wind......SW 3G6       SW 6G12      W 7G14
Surface wind....SW 4G7       SW 8G15      W 9G18
Transport wind..SW 6         SW 12        W 16
Ceiling (kft)...3.0          4.3          4.5
Visibility (sm).10           10           10

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy. Slight chance of rain in the
                    evening, then rain likely after 3 am.
Chance of pcpn......70 percent.
Min temperature.....Around 47.
Max humidity........92 percent.
Surface winds.......Southwest winds 6 to 9 mph. Gusts up to 20 mph
                    early in the evening.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 7 mph. Gusts up to 20 mph
                    early in the evening.
Transport winds.....Southwest 8 to 13 mph decreasing to 8 to 9 mph
                    after 3 am.
CEILING (KFT).......4.3 decreasing to 2.2.
Visibility (SM)......10.

TIME (PDT)      6 PM         10 PM        2 AM
Sky (%).........80           90           80
Weather cov.....             S CHC        CHANCE
Weather type....NONE         RAIN         RAIN
Tstm cov........
Chc of pcpn (%).10           20           50
Temp............62           56           51
RH..............56           65           81
20 FT wind......W 7G16       W 6G14       SW 5G10
Surface wind....W 9G20       W 8G18       SW 6G13
Transport wind..W 13         W 10         SW 9
Ceiling (kft)...4.3          4.8          3.2
Visibility (sm).10           10           10

.SATURDAY...

Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
                    in the morning. Rain showers through the day.
                    Chance of thunderstorms in the afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 58.
Min humidity........72 percent.
Surface winds.......Southwest winds 8 to 10 mph. Gusts up to 20 mph
                    late in the afternoon.
Wind (20 ft)........
 Slope/valley.......Southwest winds 6 to 8 mph. Gusts up to 20 mph
                    late in the afternoon. Gusty and erratic winds
                    expected near thunderstorms late in the
                    morning.
Transport winds.....Southwest 10 to 14 mph.
CEILING (KFT).......2.0 increasing to 9.0.
Visibility (SM)......8 decreasing to 6 late in the afternoon.

TIME (PDT)      6 AM         10 AM        2 PM
Sky (%).........91           81           94
Weather cov.....LIKELY       LIKELY       DEFNTE
Weather type....RAIN         RAIN         RNSHWR
Tstm cov........                          CHANCE
Chc of pcpn (%).70           70           90
Temp............48           50           55
RH..............89           89           83
20 FT wind......SW 6G12      SW 7G14      SW 8G16
Surface wind....SW 8G15      SW 9G18      SW 10G20
Transport wind..SW 10        SW 12        SW 14
Ceiling (kft)...2.0          4.5          7.0
Visibility (sm).10           10           8

$$
Forecaster...Batz
Requested by...Patrick DeLair
Type of request...OTHER
.TAG 2614604.0/PQR
.DELDT 06/04/26
.FormatterVersion 2.0.0
.EMAIL morgan.west@clackamasfire.com,patrick.delair@clackamasfire.com