Hail, Fergus
- When
- July 26, 7:20 AM MST
- Where
- Fergus County, Grassrange
- Measured
- 1 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 47.017, -108.783
Actual event location Flatwillow Creek (approximately 20 S of Grassrange).
Hail in Montana, July 26, 2001
1 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What forecasters said that day
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 Jul 26, 1:30 AM MST, 5 hours 50 minutes earlier.
Area forecast discussion, Jul 26, 1:30 AM MST, 5 hours 50 minutes before
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 230 AM MDT THU JUL 26 2001 UPPER LEVEL LOW OVER CNTRL SASK WEAKENS TODAY...LEAVING A BROAD TROUGH ACROSS SW CANADA WITH WESTERLY FLOW ALOFT OVER CWA. SURFACE GRADIENTS ARE FAIRLY WEAK TODAY...BUT FLOW IS EXPECTED TO BE GENERALLY E-NE OVER PLAINS ZONES. THIS SHOULD ACT TO ADVECT HIGHER SURFACE DEWPOINTS INTO AREA BY THIS AFTERNOON. MODELS IN GENERAL AGREEMENT IN ALLOWING AN UNSTABLE AIRMASS TO DEVELOP BY AFTERNOON ACROSS MUCH OF CWA. AS A RESULT...FEEL THAT AT LEAST SLIGHT CHANCE POPS ARE A SAFE BET MOST LOCATIONS. CURRENTLY...SURFACE CONVERGENCE TAKING PLACE FROM NEAR KLWT TO KBTM ALLOWING A FEW TSRA TO DEVELOP. MODELS CONTINUE THIS CONVERGENT ZONE TODAY...AND ALSO BRING A WEAK VORT LOBE ACROSS AREA BY 18Z. THIS SCENARIO SEEMS REASONABLE AND WILL GO WITH LOW SCATTERED POPS FOR EASTERN ZONES. SURFACE COOL FRONT MOVED THROUGH GTF JUST AFTER 2AM...LOW CLOUDS ARE FORMING ALONG ROCKY MOUNTAIN FRONT. NW ZONES WILL HAVE MORNING CLOUDS...BUT EXPECT THEY WILL BURN OFF WELL BEFORE NOON. HIGH TEMPERATURES HAVE BEEN CONSISTENTLY ABOVE MOS GUIDANCE THE LAST FEW DAYS...AND EXPECT TREND TO CONTINUE. TODAY WILL BE A DEGREE OR TWO COOLER THAN WED...BUT THICKNESS VALUES REBOUND NICELY TOMORROW...SO WILL RAISE HIGHS 3-4 DEGREES FOR FRI. EXTENDED...TROUGH PROGGED FOR THIS WEEKEND IS NOT AS STRONG ON NEWEST MRF RUN...BUT TIMING IS ABOUT THE SAME. MRF CONTINUES TO BE IN DECENT AGREEMENT WITH ECMWF. BOTH MODELS HANG TROUGH BACK OVER PAC NW AND CONTINUE SW FLOW OVER STATE. EXPECT THAT THIS WILL FUNNEL MONSOON MOISTURE OVER STATE FOR SCATTERED TSRA SAT AND SUN DESPITE MRF QPF BEING MOSTLY DRY. CURRENT FORECAST HAS A DECENT HANDLE ON SITUATION...SO WILL NOT MAKE ANY CHANGES. MPJ GTF BB 085 049 088 051 092 14220 CTB BB 081 043 084 046 088 14120 HLN BU 087 053 090 053 094 14210 BZN BB 085 047 089 049 093 14221 WEY BB 080 038 083 040 087 14221 DLN BU 085 050 088 050 092 14100 HVR BB 090 051 093 053 098 14230 LWT EB 081 052 084 052 088 14332
The radar
The Billings radar (KBLX), 130 km away, was scanning. The volume nearest the first event began at 14:21 UTC.
Event by event
1 hail. Local standard time, as filed.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Lightning Strike in Florida, July 26, 2001
- Flash Flooding in West Virginia, July 26, 2001
- Flash Flooding in Virginia, July 26 to 27, 2001
- Flash Flooding in Mississippi, July 26 to 27, 2001
- Flood in North Dakota, July 26, 2001
- Damaging Wind in Georgia, July 26, 2001
- Flash Flood in Kentucky, July 26 to 27, 2001
- Flash Flood in West Virginia, July 26, 2001
- Flash Flood in Nebraska, July 26 to 27, 2001
- Flash Flooding and Hail in Montana, July 26, 2001
- Flash Flood in Illinois, July 26, 2001
- Flood in Kentucky, July 26, 2001
More
Every storm in Montana in 2001Every state in 2001This day in weather historyWarnings in Montana, July 2001
Sources
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 2026-09-30. Each event’s entry at NCEI: 5261011.