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