659
FXUS65 KTWC 280841
AFDTWC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
141 AM MST WED JAN 28 2026
SYNOPSIS
AN UPPER RIDGE OF HIGH PRESSURE ALONG THE WEST COAST
WILL RESULT IN DRY AND WARM CONDITIONS FOR SOUTHEAST ARIZONA THIS
WEEK. EXPECT AFTERNOON HIGH TEMPERATURES 3 TO 8 DEGREES ABOVE
NORMAL INTO THIS WEEKEND.
DISCUSSION
WHILE BROAD RIDGING DOMINATES OUR OVERALL WEATHER
PATTERN THERE IS GOING TO BE CONSIDERABLE MID AND HIGH LEVEL
CLOUDINESS TODAY DUE TO A COUPLE OF WEAK DISTURBANCES EMBEDDED IN
THE OVERALL FLOW PATTERN. THIS IS CLEARLY SEEN ON IR SATELLITE
IMAGERY THIS MORNING AS HIGH LEVEL CLOUDS STREAM IN FROM THE
SOUTHWEST. WITH FILTERED/VARIABLE SUNSHINE TODAY, TEMPERATURES WILL
WARM A COUPLE OF DEGREES COMPARED TO YESTERDAY TO NEAR TO SLIGHTLY
ABOVE NORMAL LEVELS.
FOR THURSDAY INTO THE WEEKEND, MORE AMPLIFIED RIDGING ALOFT BUILDS
IN. WE'LL STILL HAVE SOME RESIDUAL HIGH LEVEL CLOUDS ON THURSDAY
BEFORE MOSTLY SUNNY SKIES RETURN FRIDAY THROUGH THE WEEKEND. AS
SURFACE HIGH PRESSURE BUILDS DOWN THE FRONT RANGE OF THE ROCKIES,
THAT WILL RESULT IN AN EASTERLY PUSH FRIDAY NIGHT INTO SATURDAY AND
AN UPTICK IN EASTERLY WINDS. SUSTAINED EAST WINDS OF 10 TO 20 MPH
WITH HIGHER GUSTS IN TYPICALLY SUSCEPTIBLE LOCALES FOR EAST WINDS.
THE EAST WINDS WILL DIMINISH FOR SUNDAY. STILL NO SIGNIFICANT
WEATHER SYSTEMS INTO EARLY NEXT WEEK WITH TEMPERATURES MOSTLY 3 TO 8
DEGREES ABOVE NORMAL AS DRY CONDITIONS CONTINUE.
AVIATION
VALID THROUGH 29/12Z. BKN-OVC 15-20K FT AGL
THRU THE END OF THE FORECAST PERIOD. SFC WINDS MAINLY ELY/SELY AT 12
KTS OR LESS THRU 28/20Z, THEN BECOMING VARIABLE THEREAFTER THROUGH
THE END OF THE VALID PERIOD. AVIATION DISCUSSION NOT UPDATED FOR TAF
AMENDMENTS.
FIRE WEATHER
AN UPPER RIDGE OF HIGH PRESSURE ALONG THE WEST COAST
WILL RESULT IN DRY AND WARM CONDITIONS FOR SOUTHEAST ARIZONA INTO
EARLY NEXT WEEK. EXPECT AFTERNOON HIGH TEMPERATURES 3-8 DEGREES
ABOVE NORMAL. EASTERLY 20-FOOT WINDS AROUND 10-15 MPH ARE EXPECTED
AGAIN WEDNESDAY BEFORE BECOMING MORE LIGHT AND TERRAIN DRIVEN THRU
THE END OF THIS WEEK. EASTERLY WINDS WILL THEN MAKE A RETURN THIS
WEEKEND, WITH BREEZY CONDITIONS EXPECTED SATURDAY. MINIMUM RH LEVELS
IN THE VALLEY WILL BE IN THE 15 TO 25 PERCENT RANGE THROUGH THE
WEEKEND.
TWC WATCHES/WARNINGS/ADVISORIES
NONE.
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page