Strong winds developed behind a cold front with sustained speeds of 40 to 45 mph for a few hours.
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 GGW wrote it up.
Strong winds developed behind a cold front with sustained speeds of 40 to 45 mph for a few hours.
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 Glasgow, MT wrote its last area forecast discussion before the first event at Jun 3, 1:12 PM MST, 5 hours 33 minutes earlier.
NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
212 PM MDT SUN JUN 3 2001
...LAKE WIND ADVISORY TO BE ISSUED...
SFC GRADIENT TIGHTENING AS SFC LOW SPINS UP OVER N WYOMING WITH
INVERTED TROF N THRU NCNTRL MT...W OF EXPECTED LOCATION WITH TIGHT
GRADIENT RETROGRADING INTO CNTRL CWA IN VCNTY OF FT PECK LAKE. NEAR
STATIONARY BAND OF LIGHT RAIN NW/SE ACROSS CNTRL CWA WITH EMBEDDED
MODERATE SHOWERS...RAINFALL AT GGW AROUND THIRD OF INCH TYPICAL FOR
EVENT BASED ON RADAR. TEMPS UP TO 10F WARMER OVER XTRM NE AND SW
ZONES WHERE FEWER CLOUDS/LITTLE OR NO RAIN.
CLOSE AGREEMENT AMONG MODELS DIGGING TROF INTO SW MT THEN CLOSING
OFF THIS EVENING...LINGERING THRU FCST WINDOW. MODELS DIFFER IN
TREATMENT OF DRY SLOT PROGGED TO DEVELOP OVER CNTRL MT OVERNIGHT AND
EARLY MONDAY. ETA LESS AGGRESSIVE...CONFINED TO SCNTRL MT WHILE AVN
BRIEFLY BRINGS DRY SLOT INTO SW CONUS MONDAY MORNING BEFORE WRAP
AROUND MOISTURE RETURNS. WILL SPLIT OFF SW ZONES WITH LOWER SLIGHTLY
LOWER POPS/LESS CLOUD BUT WITH POTENTIAL FOR THUNDER AS LI/S BRIEFLY
TURN NEGATIVE. GIVEN TIMING MONDAY MORNING DO NOT ANTICIPATE ANY
TSTORMS TO BE SEVERE. ELSE RAIN PERSISTING BEFORE GRADUALLY TAPERING
OFF TO SHOWERS TUESDAY WITH CLOUDS/PRECIP LIMITING VARIATION IN
TEMPS ACROSS REMAINDER OF CWA. QPF NOT VIEWED AS SIGNIFICANT ISSUE
GIVEN LOW RAINFALL RATES AND PERSISTENT DRYNESS PAST FEW MONTHS
...FLASH FLOOD GUIDANCE MOSTLY 3 TO 4 INCHES/HR...CORE OF RAINFALL
EXPECTED ALONG NW/SE AXIS ACROSS CWA. SECORA
EXTENDED...MODELS CONTINUE TREND OF BUILDING AN UPPER LEVEL RIDGE
OVER MONTANA DURING THE EXTENDED PERIOD. MRF QUITE A BIT MORE
PROGRESSIVE THAN THE ECMWF IN BRINGING A PACIFIC NORTHWEST UPPER
LEVEL LOW INTO THE REGION. MRF BRINGS THE LOW ONSHORE BY LATE
SATURDAY WITH MOIST SOUTHWEST FLOW ALOFT OVER CWA. THE ECMWF KEEPS
THE RIDGE IN PLACE OVER EASTERN MONTANA...WITH THE UPPER LOW OUT
OVER THE OCEAN. PREFER THE SLOWER ECMWF SOLUTION AS SYSTEMS LATELY
HAVE BEEN SOMEWHAT SLOWER THAN ADVERTISED BY THE MRF. THIS WOULD
KEEP US DRY AND WARM FOR THE EXTENDED. WILL UNDERCUT MRF MOS POPS
AND GO WARMER THAN MRF MOS TEMPS. POHL
KGGW 045/057 044/060 043/076 047/080 051/085 053/085 051/080
RWBBBBB 868876/8711122
KGDV 045/058 045/060 044/075 048/082 053/085 053/085 050/082
RWBBBBB 867876/8711122The national radar mosaic for the moment the first event began.
3 high wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2001Every state in 2001This day in weather historyWarnings in Montana, June 2001
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: 5252313, 5252314, 5252315.