Weather alerts in Montana, 2019
3,360 weather alerts in 2019, 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 2019. Tap one for its archive.
- Alerts
- 3,360
- Warnings
- 695
- Watches
- 137
- Advisories
- 455
- Busiest month
- July1,066 alerts
- Busiest day
- August 11, 2019135 alerts
Over time
By month
The alerts
3,360 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 County247
- Phillips County217
- Carter County207
- McCone County198
- Stillwater County190
- Missoula County186
- Garfield County179
- Big Horn County174
- Sweet Grass County167
- Cascade County166
- Powder River County164
- Petroleum County157
- Wheatland County155
- Rosebud County152
- Fergus County149
- Park County147
- Carbon County147
- Granite County144
- Yellowstone County143
- Roosevelt County139
- Golden Valley County139
- Powell County138
- Judith Basin County137
- Custer County137
- Lake County133
- Chouteau County128
- Dawson County127
- Flathead County126
- Richland County124
- Daniels County120
- Sheridan County120
- Silver Bow County119
- Ravalli County118
- Broadwater County118
- Lewis and Clark County118
- Prairie County117
- Fallon County115
- Musselshell County112
- Sanders County110
- Deer Lodge County109
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.