947
FXUS65 KFGZ 272336
AFDFGZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
436 PM MST WED MAY 27 2026
SYNOPSIS
WINDY AND COOLER CONDITIONS WILL CONTINUE THROUGH
FRIDAY WITH A TROUGH OVER THE GREAT BASIN. CRITICAL FIRE WEATHER
CONDITIONS ARE ALSO EXPECTED OVER PORTIONS OF NORTHEASTERN
ARIZONA. WARMER CONDITIONS AND LIGHTER WINDS RETURN OVER THE
WEEKEND.
DISCUSSION
UPPER LEVEL LOW RESPONSIBLE FOR OUR BREEZY
CONDITIONS IS PARKED OVER RENO AND WILL SLIDE SOUTHEASTWARD ALONG
THE SIERRA CREST STARTING ON THURSDAY. EXPECT BREEZY DAYS TO
CONTINUE THROUGH FRIDAY WHICH COMBINED WITH SOME LOW AFTERNOON
HUMIDITY VALUES WILL BRING CRITICAL FIRE WEATHER CONCERNS OVER THE
NORTHEASTERN HIGH DESERTS. RED FLAG WARNINGS HAVE BEEN ISSUED FOR
THURSDAY WHERE THE THREAT IS HIGHEST AND MAY BE ISSUED AGAIN ON
FRIDAY IF TRENDS CONTINUE. NO PRECIPITATION IS EXPECTED FOR MOST
OF THE STATE, WITH THE EXCEPTION OF FAR NORTHWESTERN ARIZONA WHERE
AN ISOLATED SHOWER IS POSSIBLE AS THE LOW BRUSHES BY.
BY FRIDAY NIGHT THROUGH SATURDAY THE LOW MOVES NORTHEAST INTO UTAH
AND WYOMING, WEAKENING AS IT DOES. A RIDGE WILL GRADUALLY BUILD
OVER THE CENTRAL US THAT WILL PLACE OUR REGION UNDER A SOUTHWESTERN
FLOW ALOFT. THIS WILL KEEP THE AREA DRY AND ALLOW TEMPERATURES TO
WARM UP TO SEASONAL AVERAGES THIS WEEKEND AND SLIGHTLY ABOVE
AVERAGE TEMPERATURES TO START OFF NEXT WEEK.
AVIATION...THURSDAY 28/00Z THROUGH FRIDAY 29/00Z
EXPECT VFR
CONDITIONS. SFC WINDS S-SW10-20G25-35KTS THROUGH 02Z-03Z, 10-15KTS
OVERNIGHT. SFC WINDS S-SW15-25G30-35KTS AFT 15Z-17Z THURSDAY.
OUTLOOK...FRIDAY 29/00Z THROUGH SUNDAY 31/00Z...EXPECT VFR
CONDITIONS. DAYTIME SFC WINDS SW15-25G30-35KTS EXPECTED FOR FRIDAY
AND THEN DECREASING TO SW-W10-20KTS FOR SATURDAY. WINDS OVERNIGHT
EXPECTED TO BE GENERALLY 5-15KTS.
FIRE WEATHER...THURSDAY AND FRIDAY
DRY AND WINDY CONDITIONS
EXPECTED TO CONTINUE. A RED FLAG WARNING IS IN EFFECT FOR THE LITTLE
COLORADO RIVER VALLEY AND NORTHEAST PLATEAUS FOR THURSDAY AFTERNOON
AND EVENING, WITH NEAR-CRITICAL FIRE WEATHER CONDITIONS ELSEWHERE.
LOOK FOR SOUTH THROUGH SOUTHWEST WINDS 15-25 MPH, WITH GUSTS 30-40
MPH EACH AFTERNOON, AND REMAINING ELEVATED OUT OF THE SOUTH (5-15
MPH) OVERNIGHT. EXPECT MINIMUM RH VALUES 5-15% ON THURSDAY, BECOMING
10-20% ON FRIDAY.
SATURDAY THROUGH MONDAY....DRY AND WARM CONDITIONS FORECAST THROUGH
THE WEEKEND AND INTO NEXT WEEK, BUT LIGHTER WINDS ARE ANTICIPATED.
MINIMUM RH VALUES WILL BE BETWEEN 5-15% EACH AFTERNOON. WINDS WILL
GENERALLY BE WEST-SOUTHWEST EACH DAY AT 5-15 MPH.
FGZ WATCHES/WARNINGS/ADVISORIES
RED FLAG WARNING UNTIL 8 PM MST /9 PM MDT/ THIS EVENING FOR
AZZ109-112-113-140.
RED FLAG WARNING FROM 11 AM MST /NOON MDT/ TO 8 PM MST /9 PM
MDT/ THURSDAY FOR AZZ112>114-140.
PUBLIC...BERNHART
AVIATION...PETERSON
FIRE WEATHER...KONIECZNY
FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT
WEATHER.GOV/FLAGSTAFF
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page