768  
FXUS65 KTFX 012313  
AFDTFX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
513 PM MDT THU OCT 1 2026  
 
AVIATION SECTION UPDATED.  
   
KEY MESSAGES  
 
- FLUCTUATING TEMPERATURES THROUGHOUT THIS FORECAST PERIOD, WITH  
MONDAY BEING THE WARMEST DAY.  
 
- LITTLE TO NO PRECIPITATION CHANCES THROUGH THE END OF THE NEXT  
WORK WEEK.  
 
 
   
DISCUSSION  
 
/ISSUED 119 PM MDT THU OCT 1 2026/  
 
- METEOROLOGICAL OVERVIEW:  
 
A ROLLER COASTER OF TEMPERATURES IS THE THEME FOR THIS FORECAST.  
WHILE TODAY WILL BE THE COLDEST DAY OF THE FORECAST PERIOD, WEAK  
RIDGING ALOFT WILL ALLOW TEMPERATURES TO WARM INTO THE MID TO  
UPPER 70S TOMORROW. A MILD SHORTWAVE WILL MOVE THROUGH THE UPPER  
LEVEL FLOW, ALLOWING TEMPERATURES TO BRIEFLY COOL DOWN ON  
SATURDAY. RIDGING ALOFT WILL ONCE AGAIN BUILD ON SUNDAY LASTING  
INTO MONDAY, ALLOWING YET ANOTHER RISE IN TEMPERATURES. MONDAY IS  
CURRENTLY LOOKING TO BE THE WARMEST DAY, WITH HIGHS IN THE LOW TO  
UPPER 80S. A MILD UPPER LEVEL TROUGH WILL MOVE JUST NORTH OF  
MONTANA ON TUESDAY, CREATING NORTH-WESTERLY FLOW ALOFT THROUGH THE  
REST OF THE FORECAST PERIOD. THIS WILL ALLOW TEMPERATURES TO  
RELATIVELY STABILIZE, WITH HIGHS IN THE MID TO UPPER 70S TUESDAY  
THROUGH THE REST OF THE WORK WEEK. WHILE THIS FORECAST PERIOD IS  
EXPECTED TO REMAIN DRY, THE NEXT CHANCE FOR PRECIPITATION MAY BE NEXT  
WEEKEND, AS A MORE ROBUST UPPER LEVEL TROUGH AND INCREASED  
MOISTURE ALOFT MOVES IN.  
 
- FORECAST CONFIDENCE & SCENARIOS:  
 
THE WEATHER DURING THIS FORECAST PERIOD IS EXPECTED TO BE MILD,  
WITH THE POTENTIAL FOR RECORD HIGH TEMPERATURES AND FIRE WEATHER  
CONCERNS ON MONDAY BEING THE BIGGEST IMPACT. -DZOMBA  
 
 
   
AVIATION  
 
02/00Z TAF PERIOD.  
 
VFR CONDITIONS ARE EXPECTED TO PREVAIL THROUGH THE PERIOD.  
GENERALLY LIGHT WINDS WILL PERSIST THROUGH THE OVERNIGHT HOURS  
BEFORE PICKING UP OUT OF THE WEST/NORTHWEST DURING THE MID-MORNING  
HOURS ON FRIDAY. BREEZY CONDITIONS ARE EXPECTED TO CONTINUE  
THROUGH THE REST OF THE AFTERNOON WITH GUSTS UP TO 35KTS POSSIBLE  
ALONG THE ROCKY MOUNTAIN FRONT AND NORTHERN PLAINS. -THOR  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
GTF 44 78 47 69 / 0 0 0 0  
CTB 39 71 41 64 / 0 0 0 0  
HLN 43 76 43 71 / 0 0 0 0  
BZN 40 76 42 71 / 0 0 0 0  
WYS 33 68 33 70 / 0 0 0 0  
DLN 42 78 42 74 / 0 0 0 0  
HVR 39 76 42 68 / 0 0 10 0  
LWT 41 77 46 67 / 0 0 0 0  
 
 
   
TFX WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
HTTP://WWW.WEATHER.GOV/GREATFALLS  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MT Page
Main Text Page