804  
FNUS76 KPQR 210008  
FWSPQR  
 
SPOT FORECAST FOR POSSIBLE LANDSLIDE HOUSE...CLACKAMAS FIRE  
NATIONAL WEATHER SERVICE PORTLAND OR  
408 PM PST SAT DEC 20 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 PST ON DECEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
LIGHT SHOWERS WILL CONTINUE TO IMPACT THE REGION  
THROUGH THE OVERNIGHT HOURS. SUNDAY, EXPECT ANOTHER ROUND OF  
PRECIPITATION, BUT FAR LESS ACCUMULATION IS EXPECTED WITH THIS  
SYSTEM. LIGHT SHOWERS WILL START SUNDAY MORNING WITH RAINFALL  
RATES EXPECTED TO INCREASE AS THE DAY PROGRESSES. MONDAY, LOOKS TO  
BE VERY SIMILAR IN TIMING AND PRECIPITATION AMOUNT. AS FOR  
RAINFALL RATES, FOR SUNDAY AND LIKELY MONDAY, LOOK FOR RAINFALL  
RATES AROUND 0.02-0.06 INCHES PER HOUR. FOR REFERENCE, THE  
ATMOSPHERIC RIVER FROM LAST WEEK HAD RATES OVER 0.25 INCHES PER  
HOUR.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS  
LATE IN THE AFTERNOON, THEN CHANCE OF RAIN  
SHOWERS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF LIGHTNING.1 PERCENT.  
MAX TEMPERATURE.....AROUND 47.  
SURFACE WINDS.......SOUTH WINDS AROUND 8 MPH.  
RAINFALL AMOUNT.....0.01 INCHES.  
PCPN AMOUNT.........0.01 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
SNOW LEVEL..........3200 FT.  
 
TIME (PST) 4 PM  
SKY (%).........58  
WEATHER COV.....S CHC  
WEATHER TYPE....RNSHWR  
TSTM COV........  
CHC OF PCPN (%).20  
CHC OF LTNG (%).0  
TEMP............46  
SURFACE WIND....S 8  
SURFACE WND GST.14  
SNOW LVL (KFT)..3.2  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF LIGHTNING.1 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
SURFACE WINDS.......SOUTH WINDS AROUND 6 MPH IN THE EVENING  
BECOMING LIGHT.  
RAINFALL AMOUNT.....0.02 INCHES.  
PCPN AMOUNT.........0.02 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
SNOW LEVEL..........2900-3300 FT.  
 
TIME (PST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........73 74 85 87 85 91  
WEATHER COV.....CHANCE S CHC S CHC S CHC S CHC S CHC  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).30 20 20 20 20 20  
CHC OF LTNG (%).0 0 0 0 0 0  
TEMP............45 43 42 42 41 40  
SURFACE WIND....S 6 S 6 S 6 S 6 S 5 S 5  
SURFACE WND GST.13 13 12 12 9 9  
SNOW LVL (KFT)..3.2 3.3 3.0 2.9 2.9 3.1  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS IN THE AFTERNOON.  
CHANCE OF PCPN......100 PERCENT.  
CHANCE OF LIGHTNING.9 PERCENT.  
MAX TEMPERATURE.....AROUND 48.  
SURFACE WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 6 MPH IN  
THE AFTERNOON.  
RAINFALL AMOUNT.....0.23 INCHES.  
PCPN AMOUNT.........0.23 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
SNOW LEVEL..........3300-3900 FT.  
 
TIME (PST) 6 AM 10 AM 2 PM  
SKY (%).........83 91 89  
WEATHER COV.....S CHC LIKELY  
WEATHER TYPE....RNSHWR NONE RNSHWR  
TSTM COV........  
CHC OF PCPN (%).20 10 70  
CHC OF LTNG (%).0 0 0  
TEMP............40 42 48  
SURFACE WIND....SE 4G8 S 5G8 S 6G12  
SNOW LVL (KFT)..3.3 3.8 3.9  
   
FORECAST DAYS 3 THROUGH 5
 
   
MONDAY
 
 
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 40S. SOUTH WINDS  
AROUND 7 MPH.    
TUESDAY
 
 
CLOUDY WITH RAIN. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 40S.  
SOUTH WINDS AROUND 5 MPH.    
WEDNESDAY
 
 
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE UPPER 30S. HIGHS  
IN THE UPPER 40S. LIGHT WINDS.  
 

 
FORECASTER...BISHOP  
REQUESTED BY...MORGAN WEST  
TYPE OF REQUEST...SAR  
.TAG 2527987.0/PQR  
.DELDT 12/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MORGAN.WEST@CLACKAMASFIRE.COM  
 
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