Weather alerts in Montana, 2018
2,647 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 2,647
- Warnings
- 631
- Watches
- 164
- Advisories
- 471
- Busiest month
- June691 alerts
- Busiest day
- June 7, 2018104 alerts
Over time
By month
The alerts
2,647 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County205
- Carter County196
- Stillwater County175
- McCone County173
- Phillips County172
- Garfield County160
- Big Horn County154
- Powder River County153
- Missoula County150
- Sweet Grass County149
- Custer County140
- Roosevelt County135
- Rosebud County134
- Park County132
- Yellowstone County132
- Dawson County128
- Prairie County128
- Carbon County127
- Richland County125
- Powell County123
- Petroleum County123
- Lake County122
- Fergus County121
- Sheridan County119
- Granite County118
- Flathead County117
- Golden Valley County115
- Fallon County114
- Treasure County114
- Ravalli County113
- Sanders County113
- Musselshell County113
- Judith Basin County109
- Wheatland County104
- Wibaux County99
- Daniels County97
- Silver Bow County92
- Deer Lodge County91
- Cascade County91
- Blaine County83
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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. Rebuilt daily.