292
FXUS65 KTWC 210917
AFDTWC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
217 AM MST SAT FEB 21 2026
SYNOPSIS
SOUTHEAST ARIZONA WILL EXPERIENCE A SIGNIFICANT
WARMING TREND SUNDAY THROUGH THE COMING WEEK WITH AFTERNOON HIGH
TEMPERATURES REACHING 13 TO 18 DEGREES ABOVE NORMAL BY END OF NEXT
WEEK.
DISCUSSION
AN AMPLIFYING UPPER LEVEL RIDGE WILL TAKE OVER THE INTERMOUNTAIN
WEST OVER THE COMING 24 HOURS, BRINGING A QUICK WARM-UP TO THE
REGION FOLLOWING THE PREVIOUS COLD FRONT. HIGHS TODAY WILL BE
ABOUT 5-10 DEGREES WARMER THAN YESTERDAY, BRINGING HIGHS BACK TO
AROUND NORMAL FOR THIS TIME OF YEAR. THIS TREND THEN CONTINUES
SUNDAY THROUGH NEXT WEEK AS HIGHS BECOME 7-10 DEGREES ABOVE NORMAL
SUNDAY AND MONDAY, THEN 13-18 DEGREES ABOVE NORMAL THROUGH THE
REMAINDER OF THE WORK WEEK. GENERALLY QUIET ON THE SENSIBLE
WEATHER FRONT WITH THIS PATTERN, THOUGH BREEZY EAST-SOUTHEAST WINDS
WILL DEVELOP ON SUNDAY IN AREAS OPEN TO EASTERLY FLOW THROUGH THE
UPPER GILA RIVER VALLEY AND SOUTHEASTERN COCHISE COUNTY.
AVIATION
VALID THROUGH 22/12Z.
SKC THEN INCREASING HIGH LEVEL CIRRUS AFTER 22/00Z. SURFACE WINDS
MAINLY UNDER 10 KTS, BECOMING EAST-SOUTHEAST AFTER 21/18Z.
AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.
FIRE WEATHER
A WARMING TREND IS EXPECTED OVER THE COMING DAYS WITH HIGH
TEMPERATURES RISING TO NEAR NORMAL TODAY, THEN WELL ABOVE NORMAL
THROUGH NEXT WEEK. MINIMUM RELATIVE HUMIDITIES WILL BE AROUND
10-20 PERCENT IN THE VALLEYS AND 20-30 PERCENT IN THE MOUNTAINS
THROUGH THE COMING WEEK. WINDS TODAY WILL BE GENERALLY LIGHT AND
UNDER 15 MPH. EAST-SOUTHEAST WINDS INCREASE ON SUNDAY MAINLY IN
AREAS OPEN TO EASTERLY FLOW, ESPECIALLY THE UPPER GILA RIVER
VALLEY AND SOUTHEASTERN COCHISE COUNTY.
TWC WATCHES/WARNINGS/ADVISORIES
NONE.
PUBLIC...EDWARDS
AVIATION...EDWARDS
FIRE WEATHER...EDWARDS
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