Strong winds developed along the Rocky Mountain Front during the early morning hours of the 18th. Wind gusts in excess of 60 mph were reported.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS TFX wrote it up.
Strong winds developed along the Rocky Mountain Front during the early morning hours of the 18th. Wind gusts in excess of 60 mph were reported.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before the first event at Nov 18, 4:49 AM MST, 1 hour 26 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE GREAT FALLS MT 449 AM MST SUN NOV 18 2007 AVIATION SECTION UPDATED .DISCUSSION... TODAY THROUGH TUESDAY...HIGH WINDS ARE THE MAIN INTEREST FOR TODAY BUT BY TONIGHT THE FOCUS WILL SWITCH TO WINTER WEATHER. ZONAL FLOW CONTINUES ALOFT WITH A JET ACROSS THE HILINE. A STRONG...FAST-MOVING SHORTWAVE WILL CROSS ALBERTA TODAY AND STRONGEST WINDS ACROSS THE PLAINS WILL BE ASSOCIATED WITH THE WEST MOVEMENT OF THIS FEATURE. STRONGEST WINDS SHOULD BE NORTH OF THE BORDER...BUT A HIGH WIND WARNING FOR THE ROCKIES AND EASTERN GLACIER HAS BEEN ISSUED AND WILL CONTINUE. QUITE A FEW DISTURBANCES MOVE THROUGH THE FLOW ALOFT AND KEEP THE AIRMASS MOIST OVER THE SOUTHWEST. SUNDAY NIGHT MOISTURE WILL INCREASE ACROSS THE CENTRAL ZONES AS WELL...AND SPREAD NORTH TO THE HILINE BY MONDAY MORNING AS A TROF APPROACHES THE ROCKIES. THE SITUATION IS STILL NOT CLEAR...THE NAM HAS COME MORE INTO LINE WITH THE GFS BUT TIMING AND TEMPS ARE STILL A PROBLEM. A COLD FRONT PUSHES SOUTH MONDAY AND A SECOND WAVE OF PRECIP WILL ACCOMPANY THIS FRONT...COLD AIR WILL REACH THE BZN/SOUTHWEST ZONES BY MONDAY NIGHT. TEMPS AT LOWER LEVELS WILL BE CRITICAL FOR WATCH/WARNING PURPOSES AND MOST SNOW WILL BE AT HIGHER LEVELS. A WINTER WEATHER WATCH HAS BEEN ISSUED AND WILL BE CONTINUED. ZELZER TUESDAY NIGHT THROUGH FRIDAY NIGHT...THIS PERIOD BEGINS WITH A PACIFIC STORM SYSTEM CENTERED OVER IDAHO AND SOUTHWEST MONTANA. THIS SYSTEM IS EXPECTED TO MOVE QUICKLY TO THE SOUTH AND EAST OF THE AREA DURING OVERNIGHT TUESDAY. A SLIGHT CHANCE OF SNOW SHOWERS WILL EXIST DURING THIS TIME ALONG THE CONTINENTAL DIVIDE AND OVER THE SOUTHWEST MOUNTAINS. LITTLE ACCUMULATING SNOW IS ANTICIPATED HOWEVER...WITH THE MAIN AREA OF FORCING WELL DOWNSTREAM OF THE FORECAST AREA. WHILE MOST CURRENT MODEL RUNS SUGGEST THAT DEEP COLD AIR FOLLOWING THIS STORM SYSTEM WILL ONLY GRAZE THE FORECAST AREA EARLY WEDNESDAY...NORTH AND NORTHWESTERLY FLOW ALOFT WILL LIKELY MAINTAIN MORE WINTRY TEMPERATURES THROUGHOUT THE EXTENDED FORECAST PERIOD. THIS FLOW ALOFT WILL PERSIST THRU FRIDAY...OCCURRING IN RESPONSE TO A MONSTER RIDGE OF HIGH PRESSURE THAT IS ANTICIPATED TO BE CAMPED OUT OFF THE WEST COAST DURING THIS TIME. THE MODELS ARE HAVING DIFFICULTY REPRESENTING SMALL SCALE FEATURES WITHIN THE UNSTABLE FLOW ALOFT...HOWEVER LOW POPS HAVE BEEN MAINTAIN FOR THE SOUTHWEST MOUNTAINS IN MUCH OF THE EXTENDED PERIOD TO ACCOUNT FOR THIS WEAKLY UNSTABLE SCENARIO. SURFACE WINDS ARE ANTICIPATED TO BE QUITE WEAK IN THIS TYPE OF FLOW REGIME AS WELL. ZUMPFE SATURDAY AND SUNDAY...MODELS INDICATE A HIGH PRESSURE OVER THE REGION WILL BREAK DOWN BY EARLY SUNDAY AS A LOW PRESSURE TROUGH SWINGS IN FROM THE NORTHWEST. KEPT PRECIPITATION FOR SATURDAY MANLEY IN THE MOUNTAINS. SUNDAY LOOKS TO BE THE BEST CHANCE FOR SCATTERED PRECIPITATION FOR THE CWA. WARMED TEMPERATURES TO NEAR NORMAL. SAUCIER && .AVIATION... UPDATED 1149Z. WEAK FORCING ACROSS THE REGION WILL TRANSITION INCREASINGLY STORMY DURING THE NEXT 24 HOURS. VFR FLIGHT CONDITIONS ARE EXPECTED TO PREVAIL DURING THIS TIME...HOWEVER MVFR CONDITIONS ARE POSSIBLE NEAR KCTB AFTER 06Z. MOUNTAIN TOP OBSCURATIONS WILL BE COMMON THROUGHOUT THE PERIOD NEAR KBZN...WITH LOW VFR CEILINGS. SURFACE WIND WILL GUST TO 40KT NEAR KCTB...AND TO 30KT NEAR KHVR AND KGTF THRU 00Z. SURFACE WINDS ARE ANTICIPATED TO BECOME FAIRLY NEGLIGIBLE THEREAFTER. A SURFACE COLD FRONT WILL AFFECT THE REGION AFTER 03Z...WITH RAIN SHOWER ACTIVITY BECOMING MORE WIDESPREAD NEAR THIS TIME. RAIN SHOWERS MAY TURN TO SNOW NEAR KCTB AFTER 06Z AS WELL...COINCIDING WITH REDUCED CEILINGS AND VISIBILITY AT TIMES. ZUMPFE && .PRELIMINARY POINT TEMPS/POPS... GTF 50 26 34 15 / 10 70 60 30 CTB 48 20 32 12 / 10 30 60 20 HLN 50 30 37 19 / 20 60 60 40 BZN 52 32 44 20 / 40 50 60 50 WEY 41 29 37 18 / 60 60 60 80 DLN 49 33 41 18 / 30 50 50 40 HVR 52 27 37 16 / 10 20 30 20 LWT 50 25 33 18 / 10 50 50 40 && .TFX WATCHES/WARNINGS/ADVISORIES... HIGH WIND WARNING UNTIL 2 PM MST THIS AFTERNOON FOR MTZ009-010- 048. WINTER STORM WATCH FROM THIS EVENING THROUGH MONDAY AFTERNOON FOR MTZ009-012-014-048-050-051-054. && WEATHER.GOV/GREATFALLS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREAT FALLS MT 345 AM MST SUN NOV 18 2007 MTZ009-010-048-191200- NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER- SOUTHERN ROCKY MOUNTAIN FRONT- 345 AM MST SUN NOV 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. SUSTAINED WINDS OF 25 TO 40 MPH...WITH GUSTS UP TO 60 MPH...WILL CONTINUE INTO EARLY SUNDAY AFTERNOON. A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. ACCUMULATIONS OF 2 TO 4 INCHES OF SNOW ARE POSSIBLE ACROSS CENTRAL MONTANA WITH 8 TO 14 INCHES OF SNOW POSSIBLE OVER THE MOUNTAINS...UP TO 2 FEET OF SNOW POSSIBLE OVER THE HIGHER PEAKS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A WINTER STORM WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ012-014-050-051-054-191200- CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-JUDITH BASIN-FERGUS- MEAGHER- 345 AM MST SUN NOV 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. ACCUMULATIONS OF 2 TO 4 INCHES OF SNOW ARE POSSIBLE ACROSS CENTRAL MONTANA WITH 8 TO 14 INCHES OF SNOW POSSIBLE OVER THE MOUNTAINS...UP TO 2 FEET OF SNOW POSSIBLE OVER THE HIGHER PEAKS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A WINTER STORM WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ008-011-013-015-044>047-049-052-053-055-191200- BEAVERHEAD-HILL-CHOUTEAU-MADISON-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-EASTERN TETON-JEFFERSON-BROADWATER-GALLATIN- 345 AM MST SUN NOV 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
3 high wind. Local standard time, as filed.
A wind gust to 60 mph was reported at the Deep Creek RAWS site (East Glacier Park 8SE).
Sustained winds of 44 mph were reported at the Cut Bank ASOS site.
A wind gust to 67 mph was reported at the Choteau Airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2007Every state in 2007This day in weather historyWarnings in Montana, November 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 62415, 62416, 62417.