801
FXUS66 KHNX 161125
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
325 AM PST FRI JAN 16 2026
KEY MESSAGES
1.) ANOTHER DENSE FOG ADVISORY IS IN EFFECT UNTIL 11 AM THIS
MORNING. DENSE FOG WILL CONTINUE TO DEVELOP EACH NIGHT AND MORNING
IN THE SAN JOAQUIN VALLEY THROUGH THE WEEKEND INTO NEXT WEEK.
2.) EXPECT DRY AND WARM CONDITIONS ELSEWHERE WITH GUSTY
EASTERLY WINDS IN THE SIERRA NEVADA RIDGES AND THE KERN COUNTY
MOUNTAINS AT TIMES THIS WEEK.
3.) OVERNIGHT TEMPERATURES CONTINUE TO BE IN THE UPPER 30S TO
LOWER 40S; NEAR 0% CHANCE OF FREEZING TEMPERATURES IN THE SJ VALLEY.
DISCUSSION
FOG WILL CONTINUE TO BE THE PRIMARY HEADLINE OVER THE NEXT FEW DAYS
FOR THE VALLEY. CALM WINDS AND COMPLETE RH RECOVERY DURING THE
OVERNIGHT HOURS ARE SETTING UP A CLASSIC CONDITION FOR VALLEY FOG.
VISIBILITY ALONG IN THE SAN JOAQUIN VALLEY WILL FALL TO LESS THAN A
QUARTER MILE DURING THE EARLY MORNING HOURS IN SOME AREAS; WITH
WIDESPREAD VISIBILITIES BELOW ONE MILE. WITH LITTLE IN THE WAY OF
STEERING FLOW, PATCHY AREAS OF REDUCED VISIBILITIES WILL LINGER INTO
THE AFTERNOON. HSI CONTINUE TO INDICATED THAT WE ARE EXPECTED TO
MEET OR EXCEED HIGH TO VERY HIGH THRESHOLDS AGAIN TONIGHT AND INTO
TOMORROW. VEHICLE ACCIDENTS HAVE BEEN REPORTED FREQUENTLY THIS WEEK
ALREADY SO PLEASE, SLOW DOWN AND TAKE YOUR TIME DURING YOUR MORNING
COMMUTE.
HIGH TEMPERATURES WILL BE IN THE 50S AND 60S THE REMAINDER OF THE
WEEK, WITH SOME 70S AT THE SOUTHERN END OF THE CWA BY THE END OF THE
WORK WEEK. HOW LONG THE FOG STICKS AROUND WILL LIKELY DETERMINE
WHETHER WE SEE PEAK DAYTIME HEATING. FREEZING OVERNIGHT LOWS IN THE
VALLEY ARE BEHIND US FOR THE TIME BEING, WITH LOWS PLEASANTLY IN THE
LOW TO MID 40S EXCEPT AT HIGHER ELEVATIONS IN THE MOUNTAINS.
AVIATION
WIDESPREAD IFR/LIFR ACROSS THE SAN JOAQUIN VALLEY UNTIL 19Z TODAY. A
20-30 PERCENT OF IFR CONDITIONS WILL EXIST BETWEEN 19Z AND 21Z
TODAY. MVFR/VFR CONDITIONS BETWEEN 21Z TODAY AND 05Z ON SATURDAY.
CONDITIONS DETERIORATE TO IFR CONDITIONS AFTER 05Z SATURDAY AS FOG
REDEVELOPS. VFR CONDITIONS OUTSIDE OF THE SAN JOAQUIN VALLEY WITH A
10-20 PERCENT CHANCE OF WIND GUSTS TO G35KT UNTIL 05Z SATURDAY.
AIR QUALITY ISSUES
ON FRIDAY JANUARY 16 2026, UNHEALTHY FOR SENSITIVE GROUPS IN FRESNO,
KERN, KINGS, MERCED AND TULARE COUNTIES. FIREPLACE/WOOD STOVE
BURNING STATUS IS: NO BURNING FOR ALL IN FRESNO AND KERN COUNTIES.
NO BURNING UNLESS REGISTERED IN KINGS, MADERA, MERCED, AND TULARE
COUNTIES. BURNING DISCOURAGED IN KERN (GREATER FRAZIER PARK AREA)
AND SEQUOIA NATIONAL PARK AND FOREST.
CERTAINTY
THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS LOW.
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS MEDIUM.
CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT
WWW.WEATHER.GOV/HNX/CERTAINTY.HTML FOR ADDITIONAL INFORMATION
AND/OR TO PROVIDE FEEDBACK.
HNX WATCHES/WARNINGS/ADVISORIES
DENSE FOG ADVISORY UNTIL 11 AM PST FRIDAY FOR CAZ301>303-
305>307-309>312-314>316.
PUBLIC...TV
AVIATION....TV
WEATHER.GOV/HANFORD
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page