005  
FXUS66 KEKA 012310  
AFDEKA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE EUREKA CA  
310 PM PST SUN MAR 1 2026  
   
SYNOPSIS  
SCATTERED SHOWERS WILL CONTINUE THROUGH THE EVENING AND  
DIMINISH MONDAY. CONDITIONS WILL BRIEFLY CLEAR AND DRY THIS WEEK,  
THOUGH FOG WILL MOST LIKELY BE WIDESPREAD. RAIN WILL RETURN AROUND  
MID WEEK.  
 
 
   
DISCUSSION  
ISOLATED BUT SOME MODERATE SHOWERS HAVE  
CROSSED THE AREA TODAY, AGAIN MAINLY IN TRINITY COUNTY. SOME  
THUNDERSTORMS HAVE FORMED OVER THE NORTHERN SACRAMENTO VALLEY BUT  
WILL MOST LIKELY REMAIN EAST OF THE AREA. GENERALLY LESS THAN 0.1  
INCHES HAVE RAIN HAVE BEEN RECORDED ANYWHERE ACROSS THE AREA DURING  
THE DAY. SHOWER COVERAGE WILL INCREASE SLIGHTLY THIS EVENING  
ALONGSIDE SLIGHT (15%) THUNDERSTORM CHANCES FOR THE INTERIOR, BUT  
ADDITIONAL RAIN FALL WILL MOST LIKELY STAY BELOW 0.1 INCHES UNLESS  
THUNDERSTORMS FORM.  
 
VERY WEAK HIGH PRESSURE WILL BUILD OVER THE AREA MONDAY AND TUESDAY.  
THIS WILL HELP SKIES CLEAR AND CONDITIONS SLIGHTLY WARM. THAT SAID,  
RECENT RAIN WILL MOST LIKELY PROMOTE INTERIOR VALLEY FOG EACH NIGHT  
WITH A MARINE LAYER CLOSE TO SHORE. THERE IS HIGH CONFIDENCE THAT  
ANOTHER SHORT WAVE WILL CROSS THE AREA AROUND MID NEXT WEEK. THIS  
SHORTWAVE WILL ONCE AGAIN BRING SHOWERS FOCUSED ON THE NORTH COAST  
WITH LITTLE CHANCE (20%) OF EVEN WETTING RAIN FOR THE SOUTHERN HALF  
OF THE AREA. FOR THE NORTHERN HALF, THERE IS LESS THAN A 20% CHANCE  
OF RAINFALL OVER 1 INCH WITH MOST LIKELY RAIN OF 0.25 TO 0.5 INCHES  
FOR MOST OF THE COAST. COLDER DRIER WEATHER ALONGSIDE SOME  
MODERATELY STRONG NORTH WIND WILL BUILD BEHIND THE SHORTWAVE TO END  
THE WEEK. /JHW  
 
 
   
AVIATION  
SHOWERY CONDITIONS CONTINUE TO DIMINISH WITH A SLIGHT  
CHANCE OF MORE STRATIFORM RAIN INTO THIS EVENING. GENERAL CLOUD  
COVER WILL ALSO CONTINUE FOR THE REGION AS A WEAK LOW PRESSURE  
SYSTEM MOVES ONSHORE. GENERAL VFR CEILINGS WILL DIMINISH TO MVFR  
TO POSSIBLY IFR CEILINGS THIS EVENING AND OVERNIGHT. THERE IS ALSO  
A CHANCE FOR INTERIOR VALLEY FOG OVERNIGHT AND INTO EARLY  
TOMORROW MORNING. WINDS WILL REMAIN LIGHT.  
 
 
   
MARINE  
WINDS GENERALLY REMAIN LIGHT AND SOUTHERLY. SEAS REMAIN  
DOMINATED BY A DECAYING MID PERIOD NORTHWEST SWELL WHILE WIND WAVES  
REMAIN AT OR BELOW 5-6 FT. SLIGHTLY ELEVATED SOUTH WINDS ARE  
POSSIBLE AROUND CAPE MENDOCINO TODAY, POSSIBLY GUSTING UP TO 20 KTS.  
A FEW STRONGER GUSTS AND ISOLATED THUNDERSTORMS ARE POSSIBLE AROUND  
THE STRONGEST SHOWERS, THOUGH THE THREAT HAS WEAKENED COMPARED TO  
SATURDAY. WINDS REMAIN LIGHT AND SEAS REMAIN MILD GOING INTO EARLY  
THIS COMING WEEK. STRONGER NORTHERLY WINDS ARE POSSIBLE MID TO LATE  
IN THE WEEK. JB  
 
 
   
EKA WATCHES/WARNINGS/ADVISORIES  
 
CA...  
NONE.  
NORTHWEST CALIFORNIA COASTAL WATERS...  
NONE.  
 
 
 
 
NOTE: THE FULL FORECAST DISCUSSION IS NOW REGULARLY ISSUED BETWEEN  
10 AM/PM AND 1 PM/AM. ADDITIONAL UPDATES WILL BE ISSUED AS NEEDED.  
 
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FOR FORECAST ZONE INFORMATION  
SEE THE FORECAST ZONE MAP ONLINE:  
HTTPS://WWW.WEATHER.GOV/IMAGES/EKA/ZONEMAP.PNG  
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