Heavy Snow Warnings in Montana
116 heavy snow warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of heavy snow warnings reaches back to 2005.
Heavy Snow Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Heavy Snow Warnings
- 116
- Busiest year
- 200745 heavy snow warnings
- Average year
- 29over 4 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Missoula County56
- Granite County49
- Sanders County44
- Ravalli County43
- Flathead County39
- Mineral County38
- Lake County36
- Park County30
- Powell County30
- Sweet Grass County30
- Carbon County26
- Stillwater County26
- Deer Lodge County18
- Lincoln County18
- Silver Bow County18
- Wheatland County18
- Golden Valley County2
- Roosevelt County2
- Sheridan County2
- Daniels County1
- Musselshell County1
- Big Horn County1
- Garfield County1
- McCone County1
- Powder River County1
- Rosebud County1
- Treasure County1
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.